CD74AC74EE4 datasheet(5/15 Pages) TI1

5 / 15 page

CD54AC74, CD74AC74

DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH CLEAR AND PRESET

SCHS231D – SEPTEMBER 1998 – REVISED DECEMBER 2002

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

switching characteristics over recommended operating free-air temperature range,

VCC = 1.5 V, CL = 50 pF (unless otherwise noted) (see Figure 1)

PARAMETER

FROM

(INPUT)

(OUTPUT)

–55

°C to

125

°C

–40

°C to

°C

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

fmax

MHz

tPLH

CLK

125

114

tPHL

CLK

Q or Q

125

114

tPLH

PRE or CLR

QorQ

132

120

tPHL

PRE or CLR

Q or Q

144

131

switching characteristics over recommended operating free-air temperature range,

VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)

PARAMETER

FROM

(INPUT)

(OUTPUT)

–55

°C to

125

°C

–40

°C to

°C

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

fmax

MHz

tPLH

CLK

3.5

3.6

12.7

tPHL

CLK

Q or Q

3.5

3.6

12.7

tPLH

PRE or CLR

QorQ

3.7

14.7

3.8

13.4

tPHL

PRE or CLR

Q or Q

16.1

4.1

14.6

switching characteristics over recommended operating free-air temperature range,

VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)

PARAMETER

FROM

(INPUT)

(OUTPUT)

–55

°C to

125

°C

–40

°C to

°C

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

fmax

110

125

MHz

tPLH

CLK

2.5

2.6

9.1

tPHL

CLK

Q or Q

2.5

2.6

9.1

tPLH

PRE or CLR

QorQ

2.6

10.5

2.7

9.5

tPHL

PRE or CLR

Q or Q

2.9

11.5

10.4

operating characteristics, TA = 25°C

PARAMETER

TYP

UNIT

Cpd

Power dissipation capacitance

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