SN54ALS27A, SN54AS27, SN74ALS27A, SN74AS27

TRIPLE 3-INPUT POSITIVE-NOR GATES

SDAS112B – APRIL 1982 – REVISED DECEMBER 1994

4

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,

RL = 500 Ω,

TA = MIN to MAX†

UNIT

(INPUT)

(OUTPUT)

SN54AS27

SN74AS27

MIN

MAX

MIN

MAX

tPLH

ABor C

Y

1

6.5

1

5.5

ns

tPHL

A, B, or C

Y

1

5

1

4.5

ns

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