SN54ALS374A

更新时间： 2024-10-01 23:06:11

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
9页	127K
描述
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS

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替代型号

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SN54ALS374A 数据手册

SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374

OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS

WITH 3-STATE OUTPUTS

SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999

SN54ALS374A, SN54AS374 . . . J PACKAGE

SN74ALS374A, SN74AS374 . . . DW OR N PACKAGE

(TOP VIEW)

D-Type Flip-Flops in a Single Package With

3-State Bus Driving True Outputs

Full Parallel Access for Loading

Buffered Control Inputs

Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

Chip Carriers (FK), and Standard Plastic (N)

and Ceramic (J) DIPs

description

13 5D

12 5Q

These octal D-type edge-triggered flip-flops

feature 3-state outputs designed specifically for

GND

CLK

driving

highly

capacitive

relatively

low-impedance loads. They are particularly

suitable for implementing buffer registers, I/O

ports, bidirectional bus drivers, and working

registers.

SN54ALS374A, SN54AS374 . . . FK PACKAGE

(TOP VIEW)

On the positive transition of the clock (CLK) input,

the Q outputs are set to the logic levels set up at

the data (D) inputs.

20 19

A buffered output-enable (OE) input places the

eight outputs in either a normal logic state (high or

low logic levels) or the high-impedance state. In

the high-impedance state, the outputs neither

load nor drive the bus lines significantly. The

high-impedance state and the increased drive

provide the capability to drive bus lines without

interface or pullup components.

9 10 11 12 13

OE does not affect internal operations 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 SN54ALS374A and SN54AS374 are characterized for operation over the full military temperature range

of –55°C to 125°C. The SN74ALS374A and SN74AS374 are characterized for operation from 0°C to 70°C.

FUNCTION TABLE

(each flip-flop)

INPUTS

OUTPUT

CLK

↑

H or L

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.

On products compliant to MIL-PRF-38535, all parameters are tested

unless otherwise noted. On all other products, production

processing does not necessarily include testing of all parameters.

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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...9

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SN54ALS374A 替代型号

型号	品牌	替代类型	描述	数据表
SN74ALS374A	TI	功能相似	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS

与SN54ALS374A相关器件

型号	品牌	获取价格	描述	数据表
SN54ALS374A_08	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54ALS374A_16	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
SN54ALS374AFK	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54ALS374AFKR	TI	获取价格	ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20
SN54ALS374AJ	TI	获取价格	OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54ALS374FH-00	TI	获取价格	ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20
SN54ALS374J-00	TI	获取价格	ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDIP20
SN54ALS377J	MOTOROLA	获取价格	D Flip-Flop, 8-Func, Positive Edge Triggered, TTL, CDIP20
SN54ALS37A	TI	获取价格	QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS
SN54ALS37A_14	TI	获取价格	QUADRUPLE 2-INPUT POSITIVE-NAND BUFFRS

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