HD74LV393A 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74LV393A

Dual 4-bit Binary Counters

Hitachi -> Renesas Electronics 

HD74LV393A

Switching Characteristics (cont)

• VCC = 5.0 ± 0.5 V

Ta = 25°C

Ta = –40 to 85°C

Item

Symbol Min Typ Max Min

Maximum

clock

frequency

fmax

125 170 — 105

85 115 — 75

Propa-

gation

tPLH/./tPHL —

5.8 8.5

1.0

delay time

— 7.3 10.5 1.0

— 6.8 9.8 1.0

— 8.3 11.8 1.0

— 7.7 11.2 1.0

— 9.2 13.2 1.0

— 8.5 12.5 1.0

— 10.0 14.5 1.0

tPHL

— 5.4 8.1 1.0

— 6.9 10.1 1.0

Setup time tsu

Pulse

tw

width

4.0 — — 4.0

5.0 — — 5.0

5.0 — — 5.0

Max

—

—

10.0

12.0

11.5

13.5

13.0

15.0

14.5

16.5

9.5

11.5

—

—

—

Unit

MHz

ns

ns

ns

Test Conditions

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

FROM

(Input)

TO

(Output)

CLK

QA

QB

QC

QD

CLR

Qn

CLR L before CLK ↓

CLR H

CLK H or L

9

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