參數(shù)資料
型號: M74HC4518RM13TR
廠商: STMICROELECTRONICS
元件分類: 計數(shù)器
英文描述: HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16
封裝: SO-16
文件頁數(shù): 4/11頁
文件大小: 361K
代理商: M74HC4518RM13TR
M74HC4518
2/11
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
Z : High Impedance
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
PIN No
SYMBOL
NAME AND FUNCTION
1, 9
1CLOCK,
2CLOCK
Clock Inputs (LOW to
HIGH, Edge-Triggered)
2, 10
1ENABLE,
2ENABLE
Clock Enable Inputs
3, 4, 5, 6
1Q0 to 1Q3
Data Outputs
7, 15
1CLEAR,
2CLEAR
Asynchronous Reset
Inputs (Active LOW)
11, 12, 13,
14
2Q0 tO 2Q3 Data Outputs
8
GND
Ground (0V)
16
Vcc
Positive Supply Voltage
INPUTS
FUNCTION
CLOCK
ENABLE
CLEAR
H
L
INCREMENT COUNTER
L
INCREMENT COUNTER
X
L
NO CHANGE
X
L
NO CHANGE
L
NO CHANGE
H
L
NO CHANGE
X
H
Q0 THRU Q3=L
相關(guān)PDF資料
PDF描述
M74HC4518TTR HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16
M74HC4520C1R HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PQCC20
M74HC4520C1 HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PQCC20
M74HC4518M1 HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16
M74HC4520F1 HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, CDIP16
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