SN74LS164D 查看數據表（PDF） - Motorola => Freescale
零件编号
产品描述 (功能)
生产厂家
SN74LS164D Datasheet PDF : 4 Pages
| |||
SN54 / 74LS164
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
54
VIL
Input LOW Voltage
74
0.7
Guaranteed Input LOW Voltage for
0.8
V
All Inputs
VIK
VOH
Input Clamp Diode Voltage
54
Output HIGH Voltage
74
– 0.65
– 1.5
2.5
3.5
2.7
3.5
V
VCC = MIN, IIN = – 18 mA
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
74
0.25
0.4
0.35
0.5
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIH or VIL
V
IOL = 8.0 mA
per Truth Table
20
IIH
Input HIGH Current
0.1
IIL
Input LOW Current
– 0.4
IOS
Short Circuit Current (Note 1)
– 20
–100
ICC
Power Supply Current
27
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
µA
VCC = MAX, VIN = 2.7 V
mA
VCC = MAX, VIN = 7.0 V
mA
VCC = MAX, VIN = 0.4 V
mA
VCC = MAX
mA
VCC = MAX
AC CHARACTERISTICS (TA = 25°C)
Symbol
fMAX
tPHL
tPLH
tPHL
Parameter
Maximum Clock Frequency
Propagation Delay
MR to Output Q
Propagation Delay
Clock to Output Q
Limits
Min
Typ
Max
25
36
24
36
17
27
21
32
Unit
MHz
ns
ns
Test Conditions
VCC = 5.0 V
CL = 15 pF
AC SETUP REQUIREMENTS (TA = 25°C)
Symbol
tW
ts
th
trec
Parameter
CP, MR Pulse Width
Data Setup Time
Data Hold Time
MR to Clock Recovery Time
Limits
Min
Typ
Max
Unit
20
ns
15
ns
5.0
ns
20
ns
Test Conditions
VCC = 5.0 V
FAST AND LS TTL DATA
5-3
Share Link: 