SN55ALS161, SN75ALS161

OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS

SLLS019E – JUNE 1986 – REVISED NOVEMBER 1999

14

POST OFFICE BOX 655303

Figure 5

2

1

0.5

0

0

– 5

– 10

– 15

– 20

– 25

3

3.5

TERMINAL I/O PORTS

HIGH-LEVEL OUTPUT VOLTAGE

vs

HIGH-LEVEL OUTPUT CURRENT

4

– 30

– 35

– 40

2.5

1.5

IOH – High-Level Output Current – mA

VCC = 5 V

TA = 25°C

Figure 6

0.3

0.2

0.1

0

010

20

0.4

0.5

TERMINAL I/O PORTS

LOW-LEVEL OUTPUT VOLTAGE

vs

LOW-LEVEL OUTPUT CURRENT

0.6

30

40

50

60

VCC = 5 V

TA = 25°C

IOL – Low-Level Output Current – mA

2

1.5

0.5

0

0

0.2

0.4

0.6

0.8

1

1.2

2.5

3.5

TERMINAL OUTPUT VOLTAGE

vs

BUS INPUT VOLTAGE

4

1.4

1.6

1.8

2

1

3

VCC = 5 V

No Load

TA = 25°C

VI – Bus Input Voltage – V

VIT –

VIT +

Figure 7

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