SN54AS841, SN54AS842, SN74AS841, SN54AS842

10-BIT BUS INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS

SDAS059B – D2910, DECEMBER 1983 – REVISED MAY 1986

POST OFFICE BOX 655303

10

’AS841 switching characteristics (see Note 1)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

R1 = 500

PARAMETER

FROM

TO

R2 = 500

UNIT

PARAMETER

(INPUT)

(OUTPUT)

TA = MIN to MAX†

UNIT

SN54AS841

SN74AS841

MIN

MAX

MIN

MAX

tPLH

D

Q

1

8.5

1

6.5

ns

tPHL

D

Q

1

10

1

9

ns

tPLH

C

Q

2

13

2

12

ns

tPHL

C

Q

2

13

2

12

ns

tPZH

OC

Q

2

13.5

2

10.5

ns

tPZL

OC

Q

2

15

2

13.5

ns

tPHZ

OC

Q

1

10

1

8

ns

tPLZ

OC

Q

1

10

1

8

ns

’AS842 switching characteristics (see Note 1)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

FROM

TO

R1 = 500

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

R2 = 500

UNIT

(INPUT)

(OUTPUT)

TA = MIN to MAX†

SN54AS842

SN74AS842

MIN

MAX

MIN

MAX

tPLH

D

Q

1

11

1

8.5

ns

tPHL

D

Q

1

10

1

9

ns

tPLH

C

Q

2

13

2

12

ns

tPHL

C

Q

2

13

2

12

ns

tPZH

OC

Q

2

14.5

2

12

ns

tPZL

OC

Q

2

15

2

12.5

ns

tPHZ

OC

Q

1

10

1

8

ns

tPLZ

OC

Q

1

10

1

8

ns

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

NOTE 1: Load circuit and voltage waveforms are shown in Section 1.