SN75161B, SN75162B

OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS

SLLS005B – OCTOBER 1980 – REVISED MAY 1995

7

POST OFFICE BOX 655303

electrical characteristics over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

Input clamp voltage

II = – 18 mA

– 0.8

– 1.5

V

Vhys

Hysteresis voltage

(VIT + – VIT –)

Bus

See Figure 7

0.4

0.65

V

VOH‡

High level output voltage

Terminal

IOH = – 800 µA

2.7

3.5

V

VOH‡

High-level output voltage

Bus

IOH = – 5.2 mA

2.5

3.3

V

VOL

Low level output voltage

Terminal

IOL = 16 mA

0.3

0.5

V

VOL

Low-level output voltage

Bus

IOL = 48 mA

0.35

0.5

V

II

Input current at maximum

Terminal

VI =5 5V

02

100

µA

II

input voltage

Terminal

VI = 5.5 V

0.2

100

µA

IIH

High-level input current

Terminal and

VI = 2.7 V

0.1

20

µA

IIL

Low-level input current

control inputs

VI = 0.5 V

–10

– 100

µA

VI/O(b )

Voltage at bus port

Driver disabled

II(bus) = 0

2.5

3.0

3.7

V

VI/O(bus)

Voltage at bus port

Driver disabled

II(bus) = – 12 mA

– 1.5

V

VI(bus) = – 1.5 V to 0.4 V

– 1.3

VI(bus) = 0.4 V to 2.5 V

0

– 3.2

Power on

Driver disabled

VI(b ) =2 5Vto3 7V

2.5

mA

II/O(bus)

Current into bus port

Power on

Driver disabled

VI(bus) = 2.5 V to 3.7 V

– 3.2

mA

()

VI(bus) = 3.7 V to 5 V

0

2.5

VI(bus) = 5 V to 5.5 V

0.7

2.5

Power off

VCC = 0,

VI(bus) = 0 V to 2.5 V

–40

µA

IOS

Short circuit output current

Terminal

–15

–35

–75

mA

IOS

Short-circuit output current

Bus

–25

–50

– 125

mA

ICC

Supply current

No load,

TE, DE, and SC low

110

mA

CI/O(b ) Bus port capacitance

VCC = 5 V to 0,

16

pF

CI/O(bus) Bus-port capacitance

CC

VI/O = 0 to 2 V, f = 1 MHz

16

pF

† All typical values are at VCC = 5 V, TA = 25°C.

‡ VOH applies for 3-state outputs only.