Datasheet > 74LS373

74LS373

更新时间： 2024-11-05 22:53:19

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		触发器锁存器输出元件
页数	文件大小	规格书
7页	252K
描述
OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS; OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUT

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中文翻译

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数据手册

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74LS373 数据手册

SN54/74LS373

SN54/74LS374

OCTAL TRANSPARENT LATCH

WITH 3-STATE OUTPUTS;

OCTAL D-TYPE FLIP-FLOP

WITH 3-STATE OUTPUT

OCTAL TRANSPARENT LATCH

WITH 3-STATE OUTPUTS;

OCTAL D-TYPE FLIP-FLOP

WITH 3-STATE OUTPUT

The SN54/74LS373 consists of eight latches with 3-state outputs for bus

organized system applications. The flip-flops appear transparent to the data

(data changes asynchronously) when Latch Enable (LE) is HIGH. When LE is

LOW, the data that meets the setup times is latched. Data appears on the bus

when the Output Enable (OE) is LOW. When OE is HIGH the bus output is in

the high impedance state.

LOW POWER SCHOTTKY

The SN54/74LS374 is a high-speed, low-power Octal D-type Flip-Flop fea-

turing separate D-type inputs for each flip-flop and 3-state outputs for bus ori-

entedapplications. Abuffered Clock (CP) and Output Enable (OE) is common

to all flip-flops. The SN54/74LS374 is manufactured using advanced Low

Power Schottky technology and is compatible with all Motorola TTL families.

J SUFFIX

CERAMIC

CASE 732-03

• Eight Latches in a Single Package

• 3-State Outputs for Bus Interfacing

• Hysteresis on Latch Enable

• Edge-Triggered D-Type Inputs

• Buffered Positive Edge-Triggered Clock

• Hysteresis on Clock Input to Improve Noise Margin

• Input Clamp Diodes Limit High Speed Termination Effects

N SUFFIX

PLASTIC

CASE 738-03

DW SUFFIX

SOIC

CASE 751D-03

PIN NAMES

LOADING (Note a)

HIGH

LOW

D –D

Data Inputs

0.5 U.L.

0.25 U.L.

Latch Enable (Active HIGH) Input

Clock (Active HIGH going edge) Input

Output Enable (Active LOW) Input

Outputs (Note b)

O –O

0.5 U.L.

0.25 U.L.

ORDERING INFORMATION

65 (25) U.L.

15 (7.5) U.L.

SN54LSXXXJ

Ceramic

SN74LSXXXN Plastic

SN74LSXXXDW SOIC

NOTES:

a) 1 TTL Units Load (U.L.) = 40 µA HIGH/1.6 mA LOW.

b) The Output LOW drive factor is 7.5 U.L. for Military (54) and 25 U.L. for Commercial

(74) Temperature Ranges. The Output HIGH drive factor is 25 U.L. for Military (54) and

65 U.L. for Commercial (74) Temperature Ranges.

CONNECTION DIAGRAM DIP (TOP VIEW)

SN54/74LS374

SN54/74LS373

NOTE:

The Flatpak version

has the same pinouts

(Connection Diagram) as

the Dual In-Line Package.

FAST AND LS TTL DATA

5-521

12 3 4 5 6 7

中文翻译

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与74LS373相关器件

型号	品牌	获取价格	描述	数据表
74LS373DC	ROCHESTER	获取价格	Bus Driver,
74LS373DCQM	FAIRCHILD	获取价格	Bus Driver, 1-Func, 8-Bit, TTL, CDIP20,
74LS373FC	FAIRCHILD	获取价格	Bus Driver, 1-Func, 8-Bit, TTL, CDFP20,
74LS373FCQM	ROCHESTER	获取价格	Bus Driver,
74LS373PC	ETC	获取价格	8-Bit D-Type Latch
74LS373PCQM	FAIRCHILD	获取价格	Bus Driver, 1-Func, 8-Bit, TTL, PDIP20,
74LS373PCQR	FAIRCHILD	获取价格	Bus Driver, 1-Func, 8-Bit, TTL, PDIP20,
74LS373SC	FAIRCHILD	获取价格	Bus Driver, 1-Func, 8-Bit, TTL, PDSO20,
74LS374	HITACHI	获取价格	Octal D-type Edge-triggered Flip-Flips(with three-state outputs)
74LS374	FAIRCHILD	获取价格	3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops

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