参数资料
型号: SN74HC590ADTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 计数器
英文描述: HC/UH SERIES, ASYN POSITIVE EDGE TRIGGERED 8-BIT UP BINARY COUNTER, PDSO16
封装: GREEN, PLASTIC, MS-012AC, SOIC-16
文件页数: 12/23页
文件大小: 804K
代理商: SN74HC590ADTG4
SN54HC590A, SN74HC590A
8BIT BINARY COUNTERS
WITH 3STATE OUTPUT REGISTERS
SCLS039F DECEMBER 1982 REVISED SEPTEMBER 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing diagram
RCO
QAQH
CCKEN
CCLR
OE
CCLK
COUNTER
(internal)
RCLK
Hex 01
Hex 02
Hex 03
Hex 04
Hex 05
Hex FD
Hex FE
Hex FF
Hex 00
Hex01
Hex 00
Hex 01
Hi-Z
Hex 01
Hex 05
Hex 00
TIMING SEQUENCE
1. Clear Counter (asynchronous).
2. Count up: 0x01. Store 0x00 in register.
3. Inhibit counter clock (CCKEN = HIGH). Store 0x01 in register.
4. Count 0x02, 0x03.
5. 3-state the outputs
6. Count up: 0x04
7. Enable outputs.
8. Continue up: 0x05
9. Store 0x05 in register.
10. Continue counting: 0x06...0xFD, 0xFE, 0xFF, 0x00, etc.
11. Store 0x00 in register.
Don’t
Care
Hex 00
Don’t
Care
相关PDF资料
PDF描述
SN74HC590ADTE4 HC/UH SERIES, ASYN POSITIVE EDGE TRIGGERED 8-BIT UP BINARY COUNTER, PDSO16
SNJ54HC594J HC/UH SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CDIP16
SNJ54HC595FKR HC/UH SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CQCC20
SN74HC595DWRE4 HC/UH SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
SN74HC595DBR HC/UH SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
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