Datasheet > SN74ALS299NE4

SN74ALS299NE4

更新时间： 2024-11-19 15:52:07

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SN74ALS299NE4 数据手册

SN54ALS299, SN74ALS299

8-BIT UNIVERSAL SHIFT/STORAGE REGISTERS

WITH 3-STATE OUTPUTS

SDAS220B – DECEMBER 1982 – REVISED DECEMBER 1994

SN54ALS299 . . . J PACKAGE

SN74ALS299 . . . DW OR N PACKAGE

(TOP VIEW)

• Multiplexed I/O Ports Provide Improved Bit

Density

• Four Modes of Operation:

– Hold (Store)

OE1

OE2

– Shift Right

– Shift Left

– Load Data

G/Q

H′

• Operate With Outputs Enabled or at High

E/Q

H/Q

Impedance

C/Q

F/Q

• 3-State Outputs Drive Bus Lines Directly

• Can Be Cascaded for n-Bit Word Lengths

• Direct Overriding Clear

A/Q

D/Q

B/Q

A′

CLR

GND

CLK

• Applications:

– Stacked or Push-Down Registers

– Buffer Storage

SN54ALS299 . . . FK PACKAGE

(TOP VIEW)

– Accumulator Registers

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

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

and Ceramic (J) 300-mil DIPs

20 19

G/Q

E/Q

H′

description

C/Q

A/Q

H/Q

F/Q

These 8-bit universal shift/storage registers

feature multiplexed I/O ports to achieve full 8-bit

data handling in a single 20-pin package. Two

function-select (S0, S1) inputs and two output-

enable (OE1, OE2) inputs can be used to choose

the modes of operation listed in the function table.

D/Q

A′

9 10 11 12 13

Synchronous parallel loading is accomplished by taking both S0 and S1 high. This places the 3-state outputs

in the high-impedance state and permits data applied on the I/O ports to be clocked into the register. Reading

out of the register can be accomplished while the outputs are enabled in any mode. Clearing occurs

asynchronously when the clear (CLR) input is low. Taking either OE1 or OE2 high disables the outputs, but has

no effect on clearing, shifting, or storing data.

The SN54ALS299 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74ALS299 is characterized for operation from 0°C to 70°C.

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...15

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SN74ALS299NE4 替代型号

型号	品牌	替代类型	描述	数据表
SNJ54ALS299J	TI	完全替代	具有三态输出的 8 位通用移位/存储寄存器 \| J \| 20 \| -55 to 125
8302101RA	TI	完全替代	8-BIT UNIVERSAL SHIFT/STORAGE REGISTERS WITH 3-STATE OUTPUTS
SN74ALS299N	TI	完全替代	8-BIT UNIVERSAL SHIFT/STORAGE REGISTERS WITH 3-STATE OUTPUTS

与SN74ALS299NE4相关器件

型号	品牌	获取价格	描述	数据表
SN74ALS299NP1	TI	获取价格	IC IC,SHIFT REGISTER,ALS-TTL,DIP,20PIN,PLASTIC, Shift Register
SN74ALS299NP3	TI	获取价格	IC IC,SHIFT REGISTER,ALS-TTL,DIP,20PIN,PLASTIC, Shift Register
SN74ALS30A	TI	获取价格	8-INPUT POSITIVE-NAND GATES
SN74ALS30AD	TI	获取价格	8-INPUT POSITIVE-NAND GATES
SN74ALS30ADB	TI	获取价格	单路 8 输入、---V 至 ---V 双极与非门 \| DB \| 14
SN74ALS30ADBE4	TI	获取价格	单路 8 输入、---V 至 ---V 双极与非门 \| DB \| 14
SN74ALS30ADE4	TI	获取价格	8-INPUT POSITIVE-NAND GATES
SN74ALS30ADG4	TI	获取价格	8-INPUT POSITIVE-NAND GATES
SN74ALS30ADP3	TI	获取价格	IC,LOGIC GATE,8-INPUT NAND,ALS-TTL,SOP,14PIN,PLASTIC
SN74ALS30ADR	TI	获取价格	8-INPUT POSITIVE-NAND GATES

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