Page 74 - Logik - Latches | Integrierte Schaltungen (ICs) | Heisener Electronics
Kontaktieren Sie uns
SalesDept@heisener.com +86-755-83210559 ext. 807
Login/Registrieren
Language Translation

* Please refer to the English Version as our Official Version.

BOM
Wagen 0

Logik - Latches

Aufzeichnungen 3.560
Page  74/128
Bild
Teilenummer
Hersteller
Beschreibung
Paket
Lager
Anzahl
Circuit
Output Type
Voltage - Supply
Independent Circuits
Delay Time - Propagation
Current - Output High, Low
Operating Temperature
Mounting Type
Package / Case
Supplier Device Package
MC74HC573ADTR2
ON Semiconductor

IC LATCH TRANSP OCTAL 20-TSSOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2 V ~ 6 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 26ns
  • Current - Output High, Low: 7.8mA, 7.8mA
  • Operating Temperature: -55°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 20-TSSOP
Paket: 20-TSSOP (0.173", 4.40mm Width)
Lager6.464
8:8
Tri-State
2 V ~ 6 V
1
26ns
7.8mA, 7.8mA
-55°C ~ 125°C
Surface Mount
20-TSSOP (0.173", 4.40mm Width)
20-TSSOP
MC10E175FN
ON Semiconductor

IC LATCH 9BIT PARITY ECL 28-PLCC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 9:9
  • Output Type: Standard
  • Voltage - Supply: 4.2 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 800ps
  • Current - Output High, Low: -
  • Operating Temperature: 0°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-LCC (J-Lead)
  • Supplier Device Package: 28-PLCC (11.51x11.51)
Paket: 28-LCC (J-Lead)
Lager6.112
9:9
Standard
4.2 V ~ 5.5 V
1
800ps
-
0°C ~ 85°C
Surface Mount
28-LCC (J-Lead)
28-PLCC (11.51x11.51)
74LVCH162373ADGG,5
Nexperia USA Inc.

IC 16BIT D TRANSP LATCH 48TSSOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 1.2 V ~ 3.6 V
  • Independent Circuits: 2
  • Delay Time - Propagation: 3.3ns
  • Current - Output High, Low: 12mA, 12mA
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 48-TFSOP (0.240", 6.10mm Width)
  • Supplier Device Package: 48-TSSOP
Paket: 48-TFSOP (0.240", 6.10mm Width)
Lager3.424
8:8
Tri-State
1.2 V ~ 3.6 V
2
3.3ns
12mA, 12mA
-40°C ~ 125°C
Surface Mount
48-TFSOP (0.240", 6.10mm Width)
48-TSSOP
74ACT533SC
Fairchild/ON Semiconductor

IC LATCH TRANSP OCT 3ST 20SOIC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 6ns
  • Current - Output High, Low: 24mA, 24mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
Paket: 20-SOIC (0.295", 7.50mm Width)
Lager5.968
8:8
Tri-State
4.5 V ~ 5.5 V
1
6ns
24mA, 24mA
-40°C ~ 85°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
DM74ALS563AWMX
Fairchild/ON Semiconductor

IC LATCH TRANSP OCT D 3ST 20SOIC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 3ns
  • Current - Output High, Low: 2.6mA, 24mA
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
Paket: 20-SOIC (0.295", 7.50mm Width)
Lager3.216
8:8
Tri-State
4.5 V ~ 5.5 V
1
3ns
2.6mA, 24mA
0°C ~ 70°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
hot 74LVTH16373MTD
Fairchild/ON Semiconductor

IC LATCH TRANSP 16BIT 48TSSOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Independent Circuits: 2
  • Delay Time - Propagation: 1.5ns
  • Current - Output High, Low: 32mA, 64mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 48-TFSOP (0.240", 6.10mm Width)
  • Supplier Device Package: 48-TSSOP
Paket: 48-TFSOP (0.240", 6.10mm Width)
Lager15.216
8:8
Tri-State
2.7 V ~ 3.6 V
2
1.5ns
32mA, 64mA
-40°C ~ 85°C
Surface Mount
48-TFSOP (0.240", 6.10mm Width)
48-TSSOP
CY74FCT841CTSOCT
Texas Instruments

IC 10BIT LATCH D 3ST 24SOIC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 10:10
  • Output Type: Tri-State
  • Voltage - Supply: 4.75 V ~ 5.25 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 1.5ns
  • Current - Output High, Low: 32mA, 64mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 24-SOIC
Paket: 24-SOIC (0.295", 7.50mm Width)
Lager7.984
10:10
Tri-State
4.75 V ~ 5.25 V
1
1.5ns
32mA, 64mA
-40°C ~ 85°C
Surface Mount
24-SOIC (0.295", 7.50mm Width)
24-SOIC
CD74ACT373MG4
Texas Instruments

IC OCT TRANSP LATCH INV 20-SOIC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 3ns
  • Current - Output High, Low: 24mA, 24mA
  • Operating Temperature: -55°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
Paket: 20-SOIC (0.295", 7.50mm Width)
Lager5.712
8:8
Tri-State
4.5 V ~ 5.5 V
1
3ns
24mA, 24mA
-55°C ~ 125°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
SN74ALS573CNSRE4
Texas Instruments

IC LATCH TRANSP OCT D 3ST 20SO

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 2ns
  • Current - Output High, Low: 2.6mA, 24mA
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SO
Paket: 20-SOIC (0.209", 5.30mm Width)
Lager5.616
8:8
Tri-State
4.5 V ~ 5.5 V
1
2ns
2.6mA, 24mA
0°C ~ 70°C
Surface Mount
20-SOIC (0.209", 5.30mm Width)
20-SO
74AHC573D-Q100J
Nexperia USA Inc.

IC TRANSP LATCH OCTAL D 20SOIC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 3.9ns
  • Current - Output High, Low: 8mA, 8mA
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SO
Paket: 20-SOIC (0.295", 7.50mm Width)
Lager6.960
8:8
Tri-State
2 V ~ 5.5 V
1
3.9ns
8mA, 8mA
-40°C ~ 125°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SO
74AHC373D,118
Nexperia USA Inc.

IC OCTAL D TRANSP LATCH 20SOIC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 4ns
  • Current - Output High, Low: 8mA, 8mA
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SO
Paket: 20-SOIC (0.295", 7.50mm Width)
Lager7.280
8:8
Tri-State
2 V ~ 5.5 V
1
4ns
8mA, 8mA
-40°C ~ 125°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SO
NC7SZ373P6
Fairchild/ON Semiconductor

IC LATCH UHS D 3-STATE SC70-6

  • Logic Type: D-Type Transparent Latch
  • Circuit: 1:1
  • Output Type: Tri-State
  • Voltage - Supply: 1.65 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 2.6ns
  • Current - Output High, Low: 32mA, 32mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 6-TSSOP, SC-88, SOT-363
  • Supplier Device Package: SC-70-6
Paket: 6-TSSOP, SC-88, SOT-363
Lager3.056
1:1
Tri-State
1.65 V ~ 5.5 V
1
2.6ns
32mA, 32mA
-40°C ~ 85°C
Surface Mount
6-TSSOP, SC-88, SOT-363
SC-70-6
SN74HC563N
Texas Instruments

IC TRANSP LATCH OCT D 3ST 20-DIP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2 V ~ 6 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 23ns
  • Current - Output High, Low: 7.8mA, 7.8mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Through Hole
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Supplier Device Package: 20-PDIP
Paket: 20-DIP (0.300", 7.62mm)
Lager15.372
8:8
Tri-State
2 V ~ 6 V
1
23ns
7.8mA, 7.8mA
-40°C ~ 85°C
Through Hole
20-DIP (0.300", 7.62mm)
20-PDIP
hot CD74HCT373M
Texas Instruments

IC OCT TRNSP LATCH HS 3ST 20SOIC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 35ns
  • Current - Output High, Low: 6mA, 6mA
  • Operating Temperature: -55°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
Paket: 20-SOIC (0.295", 7.50mm Width)
Lager4.224
8:8
Tri-State
4.5 V ~ 5.5 V
1
35ns
6mA, 6mA
-55°C ~ 125°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
hot SN74AVC16373DGGR
Texas Instruments

IC TRNSP D-TYP LTCH 3-ST 48TSSOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 1.4 V ~ 3.6 V
  • Independent Circuits: 2
  • Delay Time - Propagation: 7.2ns
  • Current - Output High, Low: 12mA, 12mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 48-TFSOP (0.240", 6.10mm Width)
  • Supplier Device Package: 48-TSSOP
Paket: 48-TFSOP (0.240", 6.10mm Width)
Lager12.144
8:8
Tri-State
1.4 V ~ 3.6 V
2
7.2ns
12mA, 12mA
-40°C ~ 85°C
Surface Mount
48-TFSOP (0.240", 6.10mm Width)
48-TSSOP
74ALVCH16260PAG8
IDT, Integrated Device Technology Inc

IC LATCH 12-24BIT MUX D 56-TSSOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 12:24
  • Output Type: Tri-State
  • Voltage - Supply: 2.3 V ~ 3.6 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 1ns
  • Current - Output High, Low: 24mA, 24mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 56-TFSOP (0.240", 6.10mm Width)
  • Supplier Device Package: 56-TSSOP
Paket: 56-TFSOP (0.240", 6.10mm Width)
Lager4.560
12:24
Tri-State
2.3 V ~ 3.6 V
1
1ns
24mA, 24mA
-40°C ~ 85°C
Surface Mount
56-TFSOP (0.240", 6.10mm Width)
56-TSSOP
hot SN74ACT373PWR
Texas Instruments

IC OCT TRNSP D-TYP LATCH 20TSSOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 8.5ns
  • Current - Output High, Low: 24mA, 24mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 20-TSSOP
Paket: 20-TSSOP (0.173", 4.40mm Width)
Lager12.468
8:8
Tri-State
4.5 V ~ 5.5 V
1
8.5ns
24mA, 24mA
-40°C ~ 85°C
Surface Mount
20-TSSOP (0.173", 4.40mm Width)
20-TSSOP
hot MM74HC373WMX
Fairchild/ON Semiconductor

IC LATCH OCTAL D 3-STATE 20-SOIC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2 V ~ 6 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 19ns
  • Current - Output High, Low: 7.8mA, 7.8mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
Paket: 20-SOIC (0.295", 7.50mm Width)
Lager62.844
8:8
Tri-State
2 V ~ 6 V
1
19ns
7.8mA, 7.8mA
-40°C ~ 85°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
hot SN74HC259N
Texas Instruments

IC 8-BIT ADDRESS LATCH 16-DIP

  • Logic Type: D-Type, Addressable
  • Circuit: 1:8
  • Output Type: Standard
  • Voltage - Supply: 2 V ~ 6 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 13ns
  • Current - Output High, Low: 5.2mA, 5.2mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Through Hole
  • Package / Case: 16-DIP (0.300", 7.62mm)
  • Supplier Device Package: 16-PDIP
Paket: 16-DIP (0.300", 7.62mm)
Lager14.652
1:8
Standard
2 V ~ 6 V
1
13ns
5.2mA, 5.2mA
-40°C ~ 85°C
Through Hole
16-DIP (0.300", 7.62mm)
16-PDIP
74LVTH373SJ
ON Semiconductor

IC LATCH TRANSP OCT 3ST 20SOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 1.5ns
  • Current - Output High, Low: 32mA, 64mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SOP
Paket: 20-SOIC (0.209", 5.30mm Width)
Lager2.864
8:8
Tri-State
2.7 V ~ 3.6 V
1
1.5ns
32mA, 64mA
-40°C ~ 85°C
Surface Mount
20-SOIC (0.209", 5.30mm Width)
20-SOP
74ACQ373SJ
ON Semiconductor

IC LATCH OCTAL TRANSP 3ST 20SOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2 V ~ 6 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 5.5ns
  • Current - Output High, Low: 24mA, 24mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SOIC
Paket: 20-SOIC (0.209", 5.30mm Width)
Lager5.376
8:8
Tri-State
2 V ~ 6 V
1
5.5ns
24mA, 24mA
-40°C ~ 85°C
Surface Mount
20-SOIC (0.209", 5.30mm Width)
20-SOIC
QS74FCT2843ATZ
Quality Semiconductor

BUS DRIVER, FCT SERIES

  • Logic Type: -
  • Circuit: -
  • Output Type: -
  • Voltage - Supply: -
  • Independent Circuits: -
  • Delay Time - Propagation: -
  • Current - Output High, Low: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
Paket: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
SNJ54AS573AJ
Texas Instruments

IC D-TYPE TRANSP SGL 8:8 20CDIP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State, Non-Inverted
  • Voltage - Supply: 4.5V ~ 5.5V
  • Independent Circuits: 1
  • Delay Time - Propagation: 6ns
  • Current - Output High, Low: 12mA, 32mA
  • Operating Temperature: -55°C ~ 125°C
  • Mounting Type: Through Hole
  • Package / Case: 20-CDIP (0.300", 7.62mm)
  • Supplier Device Package: 20-CDIP
Paket: -
Request a Quote
8:8
Tri-State, Non-Inverted
4.5V ~ 5.5V
1
6ns
12mA, 32mA
-55°C ~ 125°C
Through Hole
20-CDIP (0.300", 7.62mm)
20-CDIP
JM38510-34603BRA
National Semiconductor

D TYPE LATCH WITH 3 STATE OUTPUT

  • Logic Type: -
  • Circuit: -
  • Output Type: -
  • Voltage - Supply: -
  • Independent Circuits: -
  • Delay Time - Propagation: -
  • Current - Output High, Low: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
Paket: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
SN74LVTH573DB
Texas Instruments

IC D-TYPE TRANSP SGL 8:8 20SSOP

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State
  • Voltage - Supply: 2.7V ~ 3.6V
  • Independent Circuits: 1
  • Delay Time - Propagation: 2.9ns
  • Current - Output High, Low: 32mA, 64mA
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SSOP
Paket: -
Request a Quote
8:8
Tri-State
2.7V ~ 3.6V
1
2.9ns
32mA, 64mA
-40°C ~ 85°C
Surface Mount
20-SSOP (0.209", 5.30mm Width)
20-SSOP
74LVC16373AX4PA
IDT, Integrated Device Technology Inc

3.3V TRANSPARENT D-TYPE LATCH

  • Logic Type: -
  • Circuit: -
  • Output Type: -
  • Voltage - Supply: -
  • Independent Circuits: -
  • Delay Time - Propagation: -
  • Current - Output High, Low: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
Paket: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
DM74LS279M
Fairchild Semiconductor

R-S LATCH, LOW LEVEL TRIGGERED

  • Logic Type: S-R Latch
  • Circuit: 1:1
  • Output Type: Standard
  • Voltage - Supply: 4.75V ~ 5.25V
  • Independent Circuits: 4
  • Delay Time - Propagation: 33ns
  • Current - Output High, Low: 8mA
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 16-SOIC
Paket: -
Request a Quote
1:1
Standard
4.75V ~ 5.25V
4
33ns
8mA
0°C ~ 70°C
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SOIC
84012012A
Texas Instruments

IC D-TYPE TRANSP SGL 8:8 20LCCC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 8:8
  • Output Type: Tri-State, Non-Inverted
  • Voltage - Supply: 4.5V ~ 5.5V
  • Independent Circuits: 1
  • Delay Time - Propagation: 8ns
  • Current - Output High, Low: 1mA, 12mA
  • Operating Temperature: -55°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-CLCC
  • Supplier Device Package: 20-LCCC (8.89x8.89)
Paket: -
Request a Quote
8:8
Tri-State, Non-Inverted
4.5V ~ 5.5V
1
8ns
1mA, 12mA
-55°C ~ 125°C
Surface Mount
20-CLCC
20-LCCC (8.89x8.89)