HD74LV161A datasheet(9/16 Pages) RENESAS

Part #	HD74LV161A

Description	Synchronous 4-bit Binary Counter (Direct Clear)

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Manufacturer	RENESAS [Renesas Technology Corp]

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HD74LV161A

Rev.4.00 Jun. 04, 2004 page 9 of 15

Switching Characteristics (cont)

VCC = 5.0 ± 0.5 V

Ta = 25°C

Ta = –40 to 85°C

Item

Symbol

Min

Typ

Max

Min

Max

Unit

Test

Conditions

FROM

(Input)

TO

(Output)

135

185

—

115

—

CL = 15 pF

Maximum clock

frequency

fmax

95

125

—

85

—

MHz

CL = 50 pF

—

4.9

8.1

1.0

9.5

CL = 15 pF

tPLH/tPHL

—

8.7

10.1

1.0

11.5

CL = 50 pF

CLK

Q

—

4.9

8.1

1.0

9.5

CL = 15 pF

tPLH/tPHL

Count mode

—

6.4

10.1

1.0

11.5

CL = 50 pF

CLK

Carry

—

6.2

10.3

1.0

12.0

CL = 15 pF

tPLH/tPHL

Load mode

—

7.7

12.3

1.0

14.0

CL = 50 pF

CLK

Carry

—

4.9

8.1

1.0

9.5

CL = 15 pF

tPLH/tPHL

—

6.4

10.1

1.0

11.5

CL = 50 pF

ENT

Carry

—

5.5

9.0

1.0

10.5

CL = 15 pF

tPHL

—

7.0

11.0

1.0

12.5

CL = 50 pF

CLR

Q

—

5.0

8.6

1.0

10.0

CL = 15 pF

Propagation

delay time

tPHL

—

6.5

10.6

1.0

12.0

ns

CL = 50 pF

CLR

Carry

4.5

—

4.5

—

Data before CLK

↑

5.0

—

6.0

—

LOAD before CLK ↑

5.0

—

6.0

—

ENT, ENP before

CLK

↑

Setup time

tsu

1.5

—

1.5

—

ns

CLR inactive before

CLK

↑

Hold time

th

1.0

—

1.0

—

ns

5.0

—

5.0

—

CLK H or L

Pulse width

tw

5.0

—

5.0

—

ns

CLR L

Operating Characteristics

CL = 50 pF

Ta = 25°C

Item

Symbol

VCC (V)

Min

Typ

Max

Unit

Test Conditions

3.3

—

17.0

—

Power dissipation capacitance

CPD

5.0

—

20.4

—

pF

f = 10 MHz

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