IN74ACT161 datasheet(5/8 Pages) INTEGRAL

Part #	IN74ACT161

Description	PRESETTABLE COUNTER

PDF	8 Pages

Scroll/Zoom	100%

Manufacturer	INTEGRAL [Integral Corp.]

Direct Link	http://www.iksemi.com/

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5 / 8 page

IN74ACT161

TIMING REQUIREMENTS (VCC=5.0V±10%, CL=50pF,Input tr=tf=3.0 ns)

Guaranteed Limit

Symbol

Parameter

+25

° C

-40

° C

to +85

° C

Unit

tSU

Minimum Setup Time, Preset Data Inputs

to Clock (Figure 4)

9.5

11.5

Minimum Hold Time, Clock to Preset

Data Inputs (Figure 4)

tSU

Minimum Setup Time,Load to Clock

(Figure 4)

8.5

9.5

Minimum Hold Time, Clock to Load

(Figure 4)

-0.5

tSU

Minimum Setup Time, Enable T or

Enable P to Clock (Figure 5)

5.5

6.5

Minimum Hold Time, Clock to Enable T

or Enable P (Figure 5)

Minimum Pulse Width, Clock (Load)

(Figure 1)

3.0

3.5

Minimum

Pulse

Width,

Clock

(Count)(Figure 1)

3.0

3.5

Minimum Pulse Width, Reset (Figure 2)

3.0

7.5

trec

Minimum Recovery Time, Reset to Clock

(Figure 2)

0.5

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