74AC11280

9BIT PARITY GENERATOR/CHECKER

SCAS055A − D3201, APRIL 1989 − REVISED APRIL 1993

POST OFFICE BOX 655303

POST OFFICE BOX 1443

2−4

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

MIN

MAX

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

UNIT

tPLH

Any input

EVEN

1.5

9.8

13.5

1.5

14.9

ns

tPHL

Any input

EVEN

1.5

10.5

13.9

1.5

15.4

ns

tPLH

Any input

ODD

1.5

9.9

13.8

1.5

15.1

ns

tPHL

Any input

ODD

1.5

10.6

14.4

1.5

15.6

ns

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

MIN

MAX

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

UNIT

tPLH

Any input

EVEN

1.5

5.9

9.1

1.5

10.1

ns

tPHL

Any input

EVEN

1.5

6.7

9.9

1.5

10.9

ns

tPLH

Any input

ODD

1.5

6

9.3

1.5

10.3

ns

tPHL

Any input

ODD

1.5

6.8

10.3

1.5

11.1

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance

CL = 50 pF,

f = 1 MHz

68

pF

PARAMETER MEASUREMENT INFORMATION

LOAD CIRCUIT

From Output

Under Test

CL = 50 pF

(see Note A)

500

Ω

tPLH

tPHL

50%

50%

VCC

0 V

50% VCC

50% VCC

VOH

VOL

Input

(see Note B)

Output

VOLTAGE WAVEFORMS

NOTES: A. CL includes probe and jig capacitance.

B. Input pulses are supplied by generators having the following characteristics: PRR

≤ 10 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns.

C. The outputs are measured one at a time with one input transition per measurement.

Figure 1. Load Circuit and Voltage Waveforms