SN54F38, SN74F38

QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS

WITH OPEN-COLLECTOR OUTPUTS

SDFS013A – MARCH 1987 – REVISED OCTOBER 1993

2–3

POST OFFICE BOX 655303

switching characteristics (see Note 2)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

CL = 50 pF,

RL = 500 Ω,

TA = 25°C

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

RL = 500 Ω,

TA = MIN to MAX†

UNIT

(INPUT)

(OUTPUT)

′F38

SN54F38

SN74F38

MIN

TYP

MAX

MIN

MAX

MIN

MAX

tPLH

AorB

Y

6.7

9.6

12.5

6.2

14

6.7

13

ns

tPHL

A or B

Y

1

2.6

5

1

6.5

1

5.5

ns

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

NOTE 2: Load circuits and waveforms are shown in Section 1.