74VHC112M

更新时间： 2024-09-28 22:56:23

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		触发器逻辑集成电路光电二极管
页数	文件大小	规格书
7页	73K
描述
Dual J-K Flip-Flops with Preset and Clear

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数据手册
替代型号

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74VHC112M 数据手册

September 1995

Revised April 1999

74VHC112

Dual J-K Flip-Flops with Preset and Clear

Simultaneous LOW signals on PR and CLR force both Q

and Q HIGH.

General Description

The VHC112 is an advanced high speed CMOS device

fabricated with silicon gate CMOS technology. It achieves

the high-speed operation similar to equivalent Bipolar

Schottky TTL while maintaining the CMOS low power dissi-

pation.

An input protection circuit ensures that 0V to 7V can be

applied to the input pins without regard to the supply volt-

age. This device can be used to interface 5V to 3V systems

and two supply systems such as battery backup. This cir-

cuit prevents device destruction due to mismatched supply

and input voltages.

The VHC112 contains two independent, high-speed JK flip-

flops with Direct Set and Clear inputs. Synchronous state

changes are initiated by the falling edge of the clock. Trig-

gering occurs at a voltage level of the clock and is not

directly related to transition time. The J and K inputs can

change when the clock is in either state without affecting

the flip-flop, provided that they are in the desired state dur-

ing the recommended setup and hold times relative to the

falling edge of the clock. The LOW signal on PR or CLR

prevents clocking and forces Q and Q HIGH, respectively.

Features

■ High speed: f_MAX= 200 MHz (typ) at V_CC= 5.0V

■ Low power dissipation: I_CC= 2 µA (max) at T_A= 25°C

■ High noise immunity: V_NIH= V_NIL= 28% V_CC(min)

■ Power down protection is provided on all inputs

■ Pin and function compatible with 74HC112

Ordering Code:

Order Number Package Number

Package Description

74VHC112M

74VHC112SJ

74VHC112MTC

74VHC112N

M16A

M16D

MTC16

N16E

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow

16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

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

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

Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Pin Descriptions

Pin Names

Description

J₁, J₂, K₁, K₂

CLK₁, CLK₂

CLR₁, CLR₂

PR₁, PR₂

Data Inputs

Clock Pulse Inputs (Active Falling Edge)

Direct Clear Inputs (Active LOW)

Direct Preset Inputs (Active LOW)

Outputs

Q₁, Q₂, Q₁, Q₂

DS012123.prf

www.fairchildsemi.com

12 3 4 5 6 7

中文翻译

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74VHC112M 替代型号

型号	品牌	替代类型	描述	数据表
74VHC112MX	FAIRCHILD	完全替代	J-K-Type Flip-Flop
74VHC112MTCX	FAIRCHILD	完全替代	J-K-Type Flip-Flop
74VHC112N	FAIRCHILD	类似代替	Dual J-K Flip-Flops with Preset and Clear

与74VHC112M相关器件

型号	品牌	获取价格	描述	数据表
74VHC112MTC	FAIRCHILD	获取价格	Dual J-K Flip-Flops with Preset and Clear
74VHC112MTC	TI	获取价格	AHC/VHC SERIES, DUAL NEGATIVE EDGE TRIGGERED J-K FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO16,
74VHC112MTC	ONSEMI	获取价格	带预设和清零功能的双通道J-K触发器
74VHC112MTC_NL	FAIRCHILD	获取价格	J-K Flip-Flop, AHC/VHC Series, 2-Func, Negative Edge Triggered, 2-Bit, Complementary Outpu
74VHC112MTCX	FAIRCHILD	获取价格	J-K-Type Flip-Flop
74VHC112MTCX	ONSEMI	获取价格	带预设和清零功能的双通道J-K触发器
74VHC112MTCX_NL	FAIRCHILD	获取价格	J-K Flip-Flop, AHC/VHC Series, 2-Func, Negative Edge Triggered, 2-Bit, Complementary Outpu
74VHC112MX	TI	获取价格	AHC/VHC SERIES, DUAL NEGATIVE EDGE TRIGGERED J-K FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO16,
74VHC112MX	ONSEMI	获取价格	带预设和清零功能的双通道J-K触发器
74VHC112MX	FAIRCHILD	获取价格	J-K-Type Flip-Flop

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