SN75ALS161 datasheet(8/16 Pages) TI

8 / 16 page

SN55ALS161, SN75ALS161

OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS

SLLS019E – JUNE 1986 – REVISED NOVEMBER 1999

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

SN55ALS161 switching characteristics, VCC = 5 V and CL = 50 pF (unless otherwise noted)

PARAMETER

FROM

(INPUT)

(OUTPUT)

TEST

CONDITIONS

TA†

MIN

TYP‡

MAX

UNIT

tPLH

Propagation delay time,

°C

tPLH

low- to high-level output

Terminal

Bus (Except

SRQ NDAC

See Figure 1

Full range

tPHL

Propagation delay time,

Terminal

SRQ, NDAC,

and NRFD)

See Figure 1

°C

tPHL

high- to low-level output

and NRFD)

Full range

tPLH

Propagation delay time,

°C

tPLH

low- to high-level output

Terminal

Bus (NRFD,

See Figure 2

Full range

tPHL

Propagation delay time,

Terminal

SRQ, NDAC)

See Figure 2

°C

tPHL

high- to low-level output

Full range

tPLH

Propagation delay time,

°C

tPLH

low- to high-level output

Bus

Terminal

See Figure 2

Full range

tPHL

Propagation delay time,

Bus

Terminal

See Figure 2

°C

tPHL

high- to low-level output

Full range

tPZH

Output enable time to high level

°C

tPZH

Output enable time to high level

Full range

tPHZ

Output disable time from high

°C

tPHZ

level

TE or DC

Bus (ATN,

REN IFC

See Figure 3

Full range

tPZL

Output enable time to low level

TE or DC

REN, IFC,

and DAV)

See Figure 3

°C

tPZL

Output enable time to low level

and DAV)

Full range

tPLZ

Output disable time from low

°C

tPLZ

level

Full range

tPZH

Output enable time to high level

°C

tPZH

Output enable time to high level

Full range

tPHZ

Output disable time from high

°C

tPHZ

level

TE or DC

Bus (EOI)

See Figure 3

Full range

tPZL

Output enable time to low level

TE or DC

Bus (EOI)

See Figure 3

°C

tPZL

Output enable time to low level,

Full range

tPLZ

Output disable time from low

°C

tPLZ

level

Full range

tPZH

Output enable time to high level

°C

tPZH

Output enable time to high level

Full range

tPHZ

Output disable time from high

°C

tPHZ

level

TE or DC

Terminal

See Figure 4

Full range

tPZL

Output enable time to low level

TE or DC

Terminal

See Figure 4

°C

tPZL

Output enable time to low level

Full range

tPLZ

Output disable time from low

°C

tPLZ

level

Full range

† Full range is – 55

°C to 125°C.

‡ All typical values are at VCC = 5 V.

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