SN54ALS874B, SN74ALS874B, SN74ALS876A

SN74AS874, SN74AS876

DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS

SDAS061C – APRIL 1982 – REVISED JANUARY 1995

7

POST OFFICE BOX 655303

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

R1 = 500

R2 = 500

TA = MIN to MAX†

UNIT

SN74AS874

MIN

MAX

fmax

125

MHz

tPLH

CLK

An Q

3

8.5

ns

tPHL

CLK

Any Q

4

10.5

ns

tPHL

CLR

Any Q

4

9.5

ns

tPZH

OE

An Q

2

7

ns

tPZL

OE

Any Q

3

10.5

ns

tPHZ

OE

Any Q

2

6

ns

tPLZ

OE

Any Q

2

7.5

ns

† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

R1 = 500

R2 = 500

TA = MIN to MAX†

UNIT

SN74AS876

MIN

MAX

fmax

80

MHz

tPLH

CLK

An Q

3

8.5

ns

tPHL

CLK

Any Q

4

10.5

ns

tPHL

PRE

Any Q

4

9.5

ns

tPZH

OE

An Q

2

7

ns

tPZL

OE

Any Q

3

11

ns

tPHZ

OE

Any Q

2

7

ns

tPLZ

OE

Any Q

2

7

ns

† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.