HD74BC374A 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74BC374A

Octal D Type Flip Flops With 3 State Outputs

Hitachi -> Renesas Electronics 

Switching Test Method (CL = 50 pF)

Item

Symbol

Ta = 25°C

VCC = 5.0 V

Min

Max

Propagation

CK → Q

delay time

Output enable time

Output disable time

Setup time

Hold time

Pulse width

Input capacitance

Output capacitance

t PLH

t PHL

t ZH

t ZL

t HZ

t LZ

ts(H)

ts(L)

th(H)

th(L)

tw(H)

tw(L)

CIN

CO

3.0

8.0

3.0

8.0

3.0

9.0

3.0

9.0

3.0

8.0

3.0

8.0

2.0

—

2.0

—

2.0

—

2.0

—

6.0

—

6.0

—

3.0(Typ)

15.0(Typ)

HD74BC374A

Ta = –40 to 85°C

VCC = 5.0 V ±10%

Min

Max

3.0

10.0

3.0

10.0

3.0

11.0

3.0

11.0

3.0

10.0

3.0

10.0

2.0

—

2.0

—

2.0

—

2.0

—

6.0

—

6.0

—

—

—

Unit Test Conditions

ns See under figure

ns

ns

ns

ns

ns

pF VIN = VCC or GND

pF VO = VCC or GND

Test Circuit

VCC

Input

Pulse Generator

Zout = 50 Ω

Input

Pulse Generator

Zout = 50 Ω

VCC

Output

G

1Q to 8Q

1D to 8D

CL =

50 pF

CK

500 Ω

450 Ω

50 Ω Scope

Notes:

1. CL includes probe and jig capacitance.

2. OPEN: tPLH, tPHL, tZH, tHZ, th, ts, tw

7V: tZL, tLZ

*2

OPEN

7V

5

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