參數(shù)資料
型號: 74HC164
廠商: Motorola, Inc.
英文描述: 8-Bit Serial-Input/Parallel-Output Shift Register
中文描述: 8位Serial-Input/Parallel-Output移位寄存器
文件頁數(shù): 5/24頁
文件大?。?/td> 131K
代理商: 74HC164
9397 750 14693
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 4 April 2005
5 of 24
Philips Semiconductors
74HC164; 74HCT164
8-bit serial-in, parallel-out shift register
7.
Functional description
7.1 Function selection
[1]
H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition
L = LOW voltage level
I = LOW voltage level one set-up time prior to the LOW-to-HIGH clock transition
q = lower case letters indicate the state of the referenced input one set-up time prior to the LOW-to-HIGH
clock transition
= LOW-to-HIGH clock transition
8.
Limiting values
GND
CP
MR
Q4
Q5
Q6
Q7
V
CC
7
8
9
10
11
12
13
14
ground (0 V)
clock input (LOW-to-HIGH, edge-triggered)
master reset input (active LOW)
output
output
output
output
positive supply voltage
Table 3:
Symbol
Pin description
…continued
Pin
Description
Table 4:
Operating
modes
Function table
[1]
Input
MR
L
H
H
H
H
Output
Q0
L
L
L
L
H
CP
X
DSA
X
l
l
h
h
DSB
X
l
h
l
h
Q1 to Q7
L to L
q0 to q6
q0 to q6
q0 to q6
q0 to q6
Reset (clear)
Shift
Table 5:
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to
GND (ground = 0 V).
Symbol
Parameter
Conditions
V
CC
supply voltage
I
IK
input diode current
V
I
<
0.5 V or
V
I
> V
CC
+ 0.5 V
I
OK
output diode current
V
O
<
0.5 V or
V
O
> V
CC
+ 0.5 V
I
O
output source or sink current
V
O
=
0.5 V to V
CC
+ 0.5 V
I
CC
, I
GND
V
CC
or GND current
T
stg
storage temperature
Limiting values
Min
0.5
-
Max
+7
±
20
Unit
V
mA
-
±
20
mA
-
-
65
±
25
±
50
+150
mA
mA
°
C
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