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74AC11593

更新时间： 2024-11-11 12:50:31
品牌 Logo 应用领域
德州仪器 - TI 计数器输入元件
页数 文件大小 规格书
11页 177K
描述
8-BIT BINARY COUNTER WITH 3-STATE I/O INPUT REGISTERS

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74AC11593 数据手册

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SCAS202 − MARCH 1992 − REVISED APRIL 1993  
DW OR NT PACKAGE  
(TOP VIEW)  
• Parallel 3-State I/O: Register Inputs/  
Counter Outputs  
• Counter Has Direct Overriding Load and  
A/Q  
B/Q  
C/Q  
CCK  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
A
B
Clear  
CCLR  
2
• Flow-Through Architecture Optimizes  
CCKEN  
CCKEN  
CLOAD  
3
C
PCB Layout  
D/Q  
4
D
• Center-Pin V  
and GND Configurations  
Minimize High-Speed Switching Noise  
GND  
GND  
GND  
GND  
5
CC  
6
V
V
CC  
CC  
7
• EPICt (Enhanced-Performance Implanted  
8
OE  
CMOS) 1-mm Process  
9
E/Q  
OE  
E
• 500-mA Typical Latch-Up Immunity  
at 125°C  
• Package Options Include Plastic  
Small-Outline Packages and Standard  
Plastic 300-mil DIPs  
10  
11  
12  
F/Q  
RCK  
RCK  
RCO  
F
G/Q  
G
H/Q  
H
description  
The 74AC11953 consists of a parallel input, an 8-bit storage register feeding an 8-bit counter, and a 3-state I/O  
which provides parallel count outputs. 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. A register clock-enable (RCK) input is also provided.  
The counter (RCO) input has direct load and clear functions. A low-going RCO pulse will be 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 can be accomplished by  
connecting RCO of each stage to CCK of the following stage.  
The 74AC11593 is characterized for operation from − 40°C to 85°C.  
Function Tables  
COUNTER CLOCK ENABLE  
INPUTS  
OUTPUT ENABLE  
INPUTS  
OUTPUTS  
OUTPUTS  
A/Q THRU H/Q  
A
A/Q THRU H/Q  
A H  
CCKEN  
CCKEN  
H
OE  
OE  
L
L
H
H
L
H
L
Enable  
Disable  
Enable  
Enable  
L
L
H
H
L
H
L
Input mode  
Input mode  
Output mode  
Input mode  
H
H
EPIC is a trademark of Texas Instruments Incorporated.  
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Copyright 1993, Texas Instruments Incorporated  
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2−1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001  
1234567...11

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与74AC11593相关器件

型号 品牌 获取价格 描述 数据表
74AC11593DW ROCHESTER

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 		Binary Counter, AC Series, Asynchronous, Positive Edge Triggered, 8-Bit, Up Direction, CMO
74AC11593DW TI

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 		8-BIT BINARY COUNTER WITH 3-STATE I/O INPUT REGISTERS
74AC11593DWR ROCHESTER

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 		Binary Counter, AC Series, Asynchronous, Positive Edge Triggered, 8-Bit, Up Direction, CMO
74AC11593DWR TI

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 		8-Bit Binary Counters With 3-State I/O Input Registers 20-SOIC -40 to 85
74AC11593NT TI

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 		8-Bit Binary Counters With 3-State I/O Input Registers 24-PDIP -40 to 85
74AC11593NT ROCHESTER

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 		Binary Counter, AC Series, Asynchronous, Positive Edge Triggered, 8-Bit, Up Direction, CMO
74AC11620 NXP

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 		OCTAL TRANSCEIVER WITH DUAL ENABLE
74AC11620D NXP

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 		OCTAL TRANSCEIVER WITH DUAL ENABLE
74AC11620D YAGEO

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 		Bus Transceiver, AC Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDSO24,
74AC11620D-T PHILIPS

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 		Bus Driver/Transceiver, 1-Func, 8-Bit, Inverted Output, CMOS, PDSO24

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