參數(shù)資料
型號(hào): SN74HC193NSR
廠商: TEXAS INSTRUMENTS INC
元件分類: 計(jì)數(shù)器
英文描述: HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
封裝: GREEN, PLASTIC, SOP-16
文件頁(yè)數(shù): 16/21頁(yè)
文件大?。?/td> 757K
代理商: SN74HC193NSR
SN54HC193, SN74HC193
4BIT SYNCHRONOUS UP/DOWN COUNTERS
(DUAL CLOCK WITH CLEAR)
SCLS122D DECEMBER 1982 REVISED OCTOBER 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
typical clear, load, and count sequence
The following sequence is illustrated below:
1.
Clear outputs to 0
2.
Load (preset) to binary 13
3.
Count up to 14, 15, carry, 0, 1, and 2
4.
Count down to 1, 0, borrow, 15, 14, and 13
Data
Inputs
Data
Outputs
LOAD
A
B
C
D
UP
CO
QA
QB
QC
QD
Clear
Count Up
013
14
0
1
2
BO
Count Down
15
14
13
DOWN
CLR
15
1
0
Preset
NOTES: A. CLR overrides LOAD, data, and count inputs.
B. When counting up, count-down input must be high; when counting down, count-up input must be high.
相關(guān)PDF資料
PDF描述
SNJ54HC193J HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16
SN54HC244W HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDFP20
SN54HC253W HC/UH SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16
SN54HC259FK HC/UH SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, CQCC20
SN54HC259W HC/UH SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, CDFP16
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