參數(shù)資料
型號： M54HC697C1R
廠商： 意法半導體
元件分類： 計數(shù)器
英文描述： HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER 3-STATE HC696/698 U/D DECADE COUNTER/REGISTER 3-STATE
中文描述： HC697/699上/下4位二進制計數(shù)器/注冊3態(tài)HC696/698上/下十進制計數(shù)器/寄存器三態(tài)
文件頁數(shù)： 12/22頁
文件大?。?/td> 429K
代理商： M54HC697C1R
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
1
U/D
Up Down Counter Selector
2
CCK
Counter Clock
3, 4, 5, 6
A to D
Data Inputs
7, 14
EMP/ENT
Enable P and T
8
CCLR
Counter Clear (Active
LOW)
9
RCK
Register Clock
11
R/C
Register Counter Selector
12
G
Enable Input
13
LOAD
Load Counter (Active
LOW)
15, 16, 17,
18
QA to QD
Data Outputs
19
RCO
Load Counter (Active
HIGH)
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUT AND OUTPUT EQUIVALENT CIRCUIT
IEC LOGIC SYMBOL
HC697
HC698
HC699
HC696
M54/M74HC696/697/698/699
2/22
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