參數(shù)資料
型號(hào): SN54ALS569AFK
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS WITH 3-STATE OUTPUTS
中文描述: 同步4位向上/向下十年和二進(jìn)制計(jì)數(shù)器具有三態(tài)輸出
文件頁(yè)數(shù): 2/20頁(yè)
文件大?。?/td> 610K
代理商: SN54ALS569AFK
SN54ALS569A, SN74ALS568A, SN74ALS569A
SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS
WITH 3-STATE OUTPUTS
SDAS229A – APRIL 1982 – REVISED JANUARY 1995
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FUNCTION TABLE
INPUTS
OPERATION
OE
ACLR
SCLR
LOAD
ENT
ENP
U/D
CLK
H
X
X
X
X
X
X
X
Q outputs disabled
L
L
X
X
X
X
X
X
X
Asynchronous clear
L
H
L
X
X
X
X
Synchronous clear
L
H
H
L
X
X
X
Load
L
H
H
H
L
L
H
Count up
L
H
H
H
L
L
L
Count down
L
H
H
H
H
X
X
Inhibit count
L
H
H
H
X
H
X
X
Inhibit count
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