HD74BC574A 查看數據表（PDF） - Renesas Electronics

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HD74BC574A

Octal D Type Flip Flops With 3 State Outputs

Renesas Electronics 

HD74BC574A

Switching Test Method (CL = 50 pF)

Item

Propagation

CK → Q

delay time

Output enable time

Output disable time

Setup time

Hold time

Pulse width

Input capacitance

Output capacitance

Ta = 25°C

Symbol

VCC = 5.0 V

Min

Max

tPLH

tPHL

tZH

tZL

tHZ

tLZ

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)

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

ns

ns

ns

ns

ns

ns

pF

pF

Test conditions

See under figure

VIN = VCC or GND

VO = VCC or GND

Test Circuit

VCC

Input

Pulse Generator

Zout = 50 Ω

Input

Pulse Generator

Zout = 50 Ω

VCC

Output

OC

1Q to 8Q

1D to 8D

CL =

50 pF

500 Ω

450 Ω

50 Ω Scope

CK

*2

OPEN

7V

Notes:

1. CL includes probe and jig capacitance.

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

7 V: tZL, tLZ

Rev.3.00, Jul.16.2004, page 4 of 7

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