SN55ALS161, SN75ALS161

OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS

SLLS019E – JUNE 1986 – REVISED NOVEMBER 1999

15

POST OFFICE BOX 655303

Figure 8

2

1

0

0

– 10

– 20

– 30

– 40

3

GPIB I/O BUS

HIGH-LEVEL OUTPUT VOLTAGE

vs

HIGH-LEVEL OUTPUT CURRENT

4

– 50

– 60

VCC = 5 V

TA = 25°C

IOH – High-Level Output Current – mA

Figure 9

0.3

0.2

0.1

0

0

10

20

304050

60

0.4

0.5

GPIB I/O BUS

LOW-LEVEL OUTPUT VOLTAGE

vs

LOW-LEVEL OUTPUT CURRENT

0.6

70

80

90

100

IOL – Low-Level Output Current – mA

VCC = 5 V

TA = 25°C

Figure 10

2

1

0

0.9

1

1.1

1.2

1.3

1.4

3

BUS OUTPUT VOLTAGE

vs

TERMINAL INPUT VOLTAGE

4

1.5

1.6

1.7

VI – Terminal Input Voltage – V

VCC = 5 V

No Load

TA = 25°C

– 2

– 4

– 6

– 7

– 2

– 1

0

1

2

3

– 1

1

GPIB I/O BUS

CURRENT

vs

VOLTAGE

45

6

– 5

0

– 3

2

VCC = 5 V

TA = 25°C

The Unshaded Area

Conforms to Paragraph 3.5.3

of IEEE Standard 488 -1978

VI/O – Voltage – V

Figure 11

† Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.