SN54BCT29863B, SN74BCT29863B

9-BIT BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS015D – NOVEMBER 1988 – REVISED NOVEMBER 1993

2–3

POST OFFICE BOX 655303

recommended operating conditions

SN54BCT29863B

SN74BCT29863B

UNIT

MIN

NOM

MAX

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

5.5

4.5

5

5.5

V

VIH

High-level input voltage

2

2

V

VIL

Low-level input voltage

0.8

0.8

V

IIK

Input clamp current

–18

–18

mA

IOH

High-level output current

–15

–24

mA

IOL

Low-level output current

24

48

mA

TA

Operating free-air temperature

–55

125

0

70

°C

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

SN54BCT29863B

SN74BCT29863B

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = – 18 mA

– 1.2

– 1.2

V

VCC =4 5V

IOH = – 15 mA

2.4

3.3

2.4

3.3

VOH

VCC = 4.5 V

IOH = – 24 mA

2

3.1

V

VCC = 4.75 V,

IOH = – 3 mA

2.7

VOL

VCC =4 5V

IOL = 24 mA

0.35

0.5

V

VOL

VCC = 4.5 V

IOL = 48 mA

0.35

0.5

V

II

VCC = 5.5 V,

VI = 5.5 V

0.1

0.1

mA

IIH

Control inputs

VCC =5 5V

VI =2 7V

20

20

µA

IIH

A or B port‡

VCC = 5.5 V,

VI = 2.7 V

20

20

µA

IIL

Control inputs

VCC =5 5V

VI =0 5V

– 0.2

– 0.2

mA

IIL

A or B port‡

VCC = 5.5 V,

VI = 0.5 V

– 0.2

– 0.2

mA

IIO(off)§

VCC = 0,

VO = 2.7 V

0.1

0.1

mA

IOS¶

VCC = 5.5 V,

VO = 0

–75

– 250

–75

– 250

mA

Outputs high

18

30

18

30

ICC

VCC = 5.5 V

Outputs low

30

45

30

45

mA

Outputs disabled

6.5

12

6.5

12

Ci

VCC = 5 V,

VI = 2.5 V or 0.5 V

6

6

pF

Cio

VCC = 5 V,

VI = 2.5 V or 0.5 V

8

8

pF

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

‡ For I/O ports, the parameters IIH and IIL include the off-state output current.

§ IO(off) = Power-off bus-leakage current

¶ Not more than one output should be shorted at a time and duration of the short circuit should not exceed one second.