74AC299

更新时间： 2024-11-10 22:53:11

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		存储
页数	文件大小	规格书
11页	130K
描述
8-Input Universal Shift/Storage Register

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中文翻译

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数据手册

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74AC299 数据手册

July 1988

Revised March 2005

74AC299 • 74ACT299

8-Input Universal Shift/Storage Register

with Common Parallel I/O Pins

General Description

Features

■ I_CCand I_OZreduced by 50%

The AC/ACT299 is an 8-bit universal shift/storage register

with 3-STATE outputs. Four modes of operation are possi-

ble: hold (store), shift left, shift right and load data. The par-

allel load inputs and flip-flop outputs are multiplexed to

reduce the total number of package pins. Additional out-

puts are provided for flip-flops Q₀, Q₇to allow easy serial

■ Common parallel I/O for reduced pin count

■ Additional serial inputs and outputs for expansion

■ Four operating modes: shift left, shift right, load

and store

■ 3-STATE outputs for bus-oriented applications

■ Outputs source/sink 24 mA

cascading. A separate active LOW Master Reset is used to

reset the register.

■ ACT299 has TTL-compatible inputs

Ordering Code:

Order Number Package Number

Package Description

74AC299SC

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

74AC299SCX_NL

(Note 1)

Pb-Free 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300"

Wide

74AC299SJ

M20D

MTC20

N20A

Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

74AC299MTC

74AC299PC

74ACT299SC

74ACT299MTC

74ACT299PC

M20B

MTC20

N20A

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Pb-Free package per JEDEC J-STD-020B.

Note 1: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only.

Connection Diagram

Pin Descriptions

Pin Names

Description

Clock Pulse Input

DS₀

Serial Data Input for Right Shift

Serial Data Input for Left Shift

Mode Select Inputs

DS₇

S₀, S₁

Asynchronous Master Reset

3-STATE Output Enable Inputs

Parallel Data Inputs or

OE₁, OE₂

I/O₀–I/O₇

3-STATE Parallel Outputs

Serial Outputs

Q₀, Q₇

FACT is a trademark of Fairchild Semiconductor Corporation.

DS009893

www.fairchildsemi.com

12 3 4 5 6 7...11

中文翻译

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与74AC299相关器件

型号	品牌	获取价格	描述	数据表
74AC299B	STMICROELECTRONICS	获取价格	8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR
74AC299DC	TI	获取价格	AC SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CDIP2
74AC299DM	TI	获取价格	IC AC SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CD
74AC299FCQR	FAIRCHILD	获取价格	Parallel In Parallel Out, AC Series, 8-Bit, Bidirectional, True Output, CMOS, CDFP20, CERP
74AC299FCTR	FAIRCHILD	获取价格	Parallel In Parallel Out, AC Series, 8-Bit, Bidirectional, True Output, CMOS, CDFP20, CERP
74AC299FCXR	FAIRCHILD	获取价格	Parallel In Parallel Out, AC Series, 8-Bit, Bidirectional, True Output, CMOS, CDFP20, CERP
74AC299FM	TI	获取价格	IC AC SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CD
74AC299LC	TI	获取价格	AC SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CQCC2
74AC299LCQR	FAIRCHILD	获取价格	Parallel In Parallel Out, AC Series, 8-Bit, Bidirectional, True Output, CMOS, CQCC20, CERA
74AC299LCT	FAIRCHILD	获取价格	Parallel In Parallel Out, AC Series, 8-Bit, Bidirectional, True Output, CMOS, CQCC20, CERA

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