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National Semiconductor Electronic Components Datasheet

9308J Datasheet

Dual 4-Bit Latch

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9308J pdf
9308 DM9308 Dual 4-Bit Latch
General Description
The 9308 is a dual 4-bit D-type latch designed for general
purpose storage applications in digital systems Each latch
contains both an active LOW Master Reset input an active
LOW Enable inputs The 74116 is a pin for pin equivalent of
the 9308
Connection Diagram
Logic Symbol
Dual-In-Line Package
June 1989
VCC e Pin 24
GND e Pin 12
TL F 10208 – 1
Order Number 9308DMQB 9308FMQB or DM9308N
See NS Package Number J24A N24A or W24C
Pin Names
(D0a – D3a
D0b – D3b
E0a E1a E0b E1b
MRa MRb
(Q0a – Q3a
Q0b – Q3b
Description
Parallel Latch Inputs
AND Enable Inputs (Active LOW)
Master Reset Inputs (Active LOW)
Parallel Latch Outputs
TL F 10208 – 2
C1995 National Semiconductor Corporation TL F 10208
RRD-B30M105 Printed in U S A


National Semiconductor Electronic Components Datasheet

9308J Datasheet

Dual 4-Bit Latch

No Preview Available !

9308J pdf
Absolute Maximum Ratings (Note)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
7V
Input Voltage
5 5V
Operating Free Air Temperature Range
MIL b55 C to a125 C
COM
0 C to a70 C
Storage Temperature Range
b65 C to a150 C
Note The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed The device should not be operated at these limits The
parametric values defined in the ‘‘Electrical Characteristics’’
table are not guaranteed at the absolute maximum ratings
The ‘‘Recommended Operating Conditions’’ table will define
the conditions for actual device operation
Recommended Operating Conditions
Symbol
VCC
VIH
VIL
IOH
IOL
TA
ts (H)
th (H)
ts (L)
th (L)
tw (L)
tw (L)
trec
Parameter
Supply Voltage
High Level Input
Voltage
Low Level Input
Voltage
High Level Output
Current
Low Level Output
Current
Free Air Operating
Temperature
Setup Time HIGH Dn to En
Hold Time HIGH Dn to En
Setup Time LOW Dn to En
Hold Time LOW Dn to En
En Pulse Width LOW
MR Pulse Width LOW
Recovery Time MR to En
Min
45
2
b55
6
4
10
4
18
18
10
Military
Nom
5
Max
55
08
b0 8
16
125
Min
4 75
Commercial
Nom
5
Max
5 25
2
08
b0 8
16
0
10
b2 0
12
8
18
18
8
70
Units
V
V
V
mA
mA
C
ns
ns
ns
ns
ns
ns
ns
Electrical Characteristics over recommended operating free air temperature (unless otherwise noted)
Symbol
Parameter
Conditions
Min
VI
VOH
VOL
II
Input Clamp Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Current Max
Input Voltage
VCC e Min II e b18 mA
VCC e Min IOH e Max
VIL e Max VIH e Min
VCC e Min IOL e Max
VIH e Min VIL e Max
VCC e Max VI e 5 5V
24
IIH
High Level Input
VCC e Max VI e 2 4V
Current
IIL
Low Level Input
VCC e Max VI e 0 4V
Current
IOS Short Circuit
Output Current
VCC e Max
(Note 2)
MIL
COM
b20
b20
ICC Supply Current
VCC e Max (Note 3)
Note 1 All typicals are at VCC e 5V TA e 25 C
Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3 ICC is measured with all outputs open and all inputs grounded
Typ
(Note 1)
Max
b1 5
04
1
40
b1 6
b70
b57
100
Units
V
V
V
mA
mA
mA
mA
mA
2


Part Number 9308J
Description Dual 4-Bit Latch
Maker National Semiconductor
Total Page 6 Pages
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9308J pdf
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