74ACT11593DWR datasheet(1/8 Pages) TI

部件名	74ACT11593DWR

功能描述	8-BIT BINARY COUNTER WITH PARALLEL-INPUT REGISTERS AND 3-STATE OUTPUTS

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制造商	TI [Texas Instruments]

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74ACT11593

8-BIT BINARY COUNTER

WITH PARALLEL-INPUT REGISTERS AND 3-STATE OUTPUTS

SCAS203 – JUNE 1992 – REVISED APRIL 1993

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

Copyright

2–1

• Inputs Are TTL-Voltage Compatible

• Parallel Register Inputs/Binary

Counter/3-State Outputs

• Counter Has Direct Overriding Load and

Clear

• Flow-Through Architecture Optimizes

PCB Layout

• Center-Pin V

CC and GND Configurations

Minimize High-Speed Switching Noise

• EPIC™ (Enhanced-Performance Implanted

CMOS) 1-

µm Process

• 500-mA Typical Latch-Up Immunity at 125°C

• Package Options Include Plastic

Small-Outline Packages and Standard

Plastic 300-mil DIPs

description

The 74ACT11593 contains eight multiplexed parallel I/Os with 3-state output capability and an 8-bit storage

register that feeds an 8-bit binary counter. Both the register and the counter have individual positive-edge

triggered clocks.

The function tables show the operation of the counter clock-enable (CCKEN, CCKEN) and output-enable

(OE, OE) inputs.

The counter input has direct load and clear functions. A low-going RCO pulse is obtained when the counter

reaches the hex word FF.

Expansion is easily accomplished for two stages by connecting RCO of the first stage to CCKEN of the second

stage. Cascading for larger count chains is accomplished by connecting RCO of each stage to CCK of the

following stage.

The 74ACT11593 is characterized for operation from – 40

°C to 85°C.

Function Tables

COUNTER CLOCK ENABLE

OUTPUT ENABLE

INPUTS

OUTPUTS

INPUTS

OUTPUTS

CCKEN

A/QA THRU H/QH

OE

A/QA THRU H/QH

L

Disable

L

Input mode

L

H

Disable

L

H

Input mode

H

L

Enable

H

L

Output mode

H

Disable

H

Input mode

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

EPIC is a trademark of Texas Instruments Incorporated.

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13

A/QA

B/QB

C/QC

D/QD

GND

E/QE

F/QF

G/QG

H/QH

CCK

CCLR

CCKEN

CLOAD

VCC

OE

RCK

RCO

DW OR NT PACKAGE

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类似零件编号 - 74ACT11593DWR

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Texas Instruments	74ACT11593DWR	141Kb / 9P	[Old version datasheet] 8-BIT BINARY COUNTER WITH PARALLEL-INPUT REGISTERS AND 3-STATE OUTPUTS

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类似说明 - 74ACT11593DWR

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Texas Instruments	74ACT11593	141Kb / 9P	[Old version datasheet] 8-BIT BINARY COUNTER WITH PARALLEL-INPUT REGISTERS AND 3-STATE OUTPUTS
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