SN54ALS874B, SN74ALS874B, SN74ALS876A

SN74AS874, SN74AS876

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

SDAS061C – APRIL 1982 – REVISED JANUARY 1995

3

POST OFFICE BOX 655303

logic diagrams (positive logic)

R

C1

1D

D1

Q1

R

C1

1D

D2

Q2

R

C1

1D

D3

Q3

R

C1

1D

D4

Q4

OE

CLK

CLR

SN54ALS874B, SN74ALS874B, SN74AS874

(each quad flip-flop)

S

C1

1D

D1

Q1

S

C1

1D

D2

Q2

S

C1

1D

D3

Q3

S

C1

1D

D4

Q4

OE

CLK

PRE

SN74ALS876A, SN74AS876

(each quad flip-flop)

Pin numbers shown are for the DW, JT, and NT packages.

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage applied to a disabled 3-state output

5.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

– 55

°C to 125°C

. . . . . . . . . . . . . . . . . . . . . . . . . . .

SN74ALS874B, SN74ALS876A

0

°C to 70°C

. . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.