SN74F2245

25 Ω OCTAL BUS TRANSCEIVER

WITH 3STATE OUTPUTS

SDFS099 − MAY 1995

3

POST OFFICE BOX 655303

POST OFFICE BOX 1443

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

CL = 50 pF,

R1 = 500

Ω,

R2 = 500

Ω,

TA = 25°C

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

R1 = 500

Ω,

R2 = 500

Ω,

TA = MIN to MAX†

UNIT

MIN

TYP

MAX

MIN

MAX

tPLH

A or B

B or A

2.5

3.9

5.5

2.1

6.6

ns

tPHL

A or B

B or A

3.1

4.6

6.6

2.9

7.1

ns

tPZH

OE

A or B

2.4

4.8

7.3

1.6

8.5

ns

tPZL

OE

A or B

3.6

6.6

10.6

3

12

ns

tPHZ

OE

A or B

2.3

4.3

6.3

2

7.5

ns

tPLZ

OE

A or B

2

4

5.8

1.9

6.8

ns

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