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74ACT11374

更新时间: 2024-11-24 23:00:15
品牌 Logo 应用领域
德州仪器 - TI 触发器输出元件
页数 文件大小 规格书
6页 105K
描述
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS

74ACT11374 数据手册

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74ACT11374  
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP  
WITH 3-STATE OUTPUTS  
SCAS217A – JULY 1987 – REVISED APRIL 1996  
DB, DW, OR NT PACKAGE  
(TOP VIEW)  
Eight D-Type Flip-Flops in a Single Package  
3-State Bus Driving True Outputs  
Full Parallel Access for Loading  
1Q  
2Q  
OE  
1D  
2D  
3D  
4D  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
2
Inputs Are TTL-Voltage Compatible  
3Q  
3
Flow-Through Architecture Optimizes  
PCB Layout  
4Q  
4
GND  
GND  
GND  
GND  
5Q  
5
Center-Pin V  
Minimize High-Speed Switching Noise  
and GND Configurations  
CC  
6
V
V
CC  
CC  
7
EPIC (Enhanced-Performance Implanted  
CMOS) 1- m Process  
8
5D  
9
6D  
500-mA Typical Latch-Up Immunity at  
125°C  
10  
11  
12  
6Q  
7D  
7Q  
8D  
8Q  
CLK  
Package Options Include Plastic  
Small-Outline (DW) and Shrink  
Small-Outline (DB) Packages, and Standard  
Plastic 300-mil DIPs (NT)  
description  
This 8-bit flip-flop features 3-state outputs designed specifically for driving highly-capacitive or relatively  
low-impedance loads. It is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus  
drivers, and working registers.  
Theeightflip-flopsofthe74ACT11374areedge-triggeredD-typeflip-flops. Onthepositivetransitionoftheclock  
(CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.  
An output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low  
logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus  
lines significantly. The high-impedance third state provides the capability to drive bus lines in a bus-organized  
system without need for interface or pullup components.  
OE does not affect the internal operation of the flip-flops. Old data can be retained or new data can be entered  
while the outputs are in the high-impedance state.  
The 74ACT11374 is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
(each flip-flop)  
INPUTS  
OUTPUT  
Q
OE  
L
CLK  
D
H
L
H
L
L
L
L
H
X
X
X
X
Q
Q
Q
0
0
0
L
L
H
X
Z
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
EPIC is a trademark of Texas Instruments Incorporated.  
Copyright 1996, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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