Datasheet > 74H78N

74H78N

更新时间： 2024-11-25 21:13:47

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		逻辑集成电路
页数	文件大小	规格书
9页	1056K
描述
J-K Flip-Flop

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74H78N 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.75
逻辑集成电路类型：	J-K FLIP-FLOP	Base Number Matches：	1

74H78N 数据手册

REI Datasheet

SN54H78, SN54L78, SN54LS78A, SN74H78, SN74LS78A

Dual J-K Flip-Flops

The ‘H78 and ‘L78 contain two J-K ﬂip-ﬂops with individual J-K, preset inputs, and common clock and

common clear inputs. The ‘H78 and ‘L78 are positive pulse-triggered ﬂip-ﬂops. J-K input is loaded into

the master while the clock is high and transferred to the slave on the high-to-low transition. For these

devices the J and K inputs must be stable while the clock is high.

The ‘LS78A contain two negative-edge-triggered ﬂip-ﬂops with individual J-K, preset inputs, and

common clock and common clear inputs. The logic levels at the J and K inputs may be allowed to

change while the clock pulse is high and the ﬂip-ﬂop will perform according to the function table as long

as minimum setup and hold times are observed. The preset and clear are asynchronous active low

inputs. When low they override the clock and data inputs forcing the outputs to the steady state levels.

Quality Overview

Rochester Electronics

Manufactured Components

•

ISO-9001

AS9120 certiﬁcation

Qualiﬁed Manufacturers List (QML) MIL-PRF-38535

Rochester branded components are

manufactured using either die/wafers

purchased from the original suppliers

or Rochester wafers recreated from the

original IP. All recreations are done with

the approval of the OCM.

•

Class Q Military

Class V Space Level

•

Qualiﬁed Suppliers List of Distributors (QSLD)

•

Rochester is a critical supplier to DLA and

meets all industry and DLA standards.

Parts are tested using original factory

test programs or Rochester developed

test solutions to guarantee product

meets or exceeds the OCM data sheet.

RochesterElectronics, LLCiscommittedtosupplying

products that satisfy customer expectations for

quality and are equal to those originally supplied by

industry manufacturers.

The original manufacturer’s datasheet accompanying this document reﬂects the performance

and speciﬁcations of the Rochester manufactured version of this device. Rochester Electronics

guarantees the performance of its semiconductor products to the original OEM speciﬁcations.

‘Typical’ values are for reference purposes only. Certain minimum or maximum ratings may be

based on product characterization, design, simulation, or sample testing.

To learn more, please visit www.rocelec.com

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与74H78N相关器件

型号	品牌	获取价格	描述	数据表
74H78PCQM	FAIRCHILD	获取价格	Jbar-Kbar Flip-Flop, 2-Func, Master-slave Triggered, TTL, PDIP14,
74H78PCQR	FAIRCHILD	获取价格	Jbar-Kbar Flip-Flop, 2-Func, Master-slave Triggered, TTL, PDIP14,
74H87DC	ROCHESTER	获取价格	Majority Logic Gate
74H87DC	NSC	获取价格	IC,TRUE/COMPLEMENT ELEMENT,H-TTL,DIP,14PIN,CERAMIC
74H87DC	FAIRCHILD	获取价格	Gate, TTL, CDIP14,
74H87FC	ROCHESTER	获取价格	Majority Logic Gate
74H87FC	NSC	获取价格	IC,TRUE/COMPLEMENT ELEMENT,H-TTL,FP,14PIN,CERAMIC
74H87FC	FAIRCHILD	获取价格	Gate, TTL, CDFP14,
74HC	NXP	获取价格	HCMOS family characteristics
74HC/HCT21	NXP	获取价格	Dual 4-input AND gate

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