SN64BCT241

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

SCBS046C – FEBRUARY 1990 – REVISED JULY 1998

3

POST OFFICE BOX 655303

recommended operating conditions (see Note 3)

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

5.5

V

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

IIK

Input clamp current

–18

mA

IOH

High-level output current

–15

mA

IOL

Low-level output current

64

mA

TA

Operating free-air temperature

–40

85

°C

NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

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

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = –18 mA

–1.2

V

VCC =4 5V

IOH = – 3 mA

2.4

3.3

VOH

VCC = 4.5 V

IOH = – 15 mA

2

3.1

V

VCC = 4.75 V,

IOH = – 3 mA

2.7

VOL

VCC = 4.5 V,

IOH = 64 mA

0.42

0.55

V

IOZH

VCC = 5.5 V,

VO = 2.7 V

50

µA

IOZL

VCC = 5.5 V,

VO = 0.5 V

–50

µA

IOZ

1OE at 0.8 V,

VCC = 0 to 2.3 V (power up)

VO =2 7Vor0 5V

"50

µA

IOZ

,

2OE at 2 V

VCC = 1.8 V to 0 (power down)

VO = 2.7 V or 0.5 V,

"50

µA

II

VCC = 5.5 V,

VI = 7 V

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

µA

IIL

1OE or 2OE

VCC =5 5V

VI =0 5V

–1

mA

IIL

Any A input

VCC = 5.5 V,

VI = 0.5 V

– 1.6

mA

IOS‡

VCC = 5.5 V,

VO = 0

– 100

– 225

mA

ICCL

VCC = 5.5 V,

Output open

23

43

mA

ICCH

VCC = 5.5 V,

Output open

53

85

mA

ICCZ

VCC = 5.5 V,

Output open

4

10

mA

Ci

VCC = 5 V,

VI = 2.5 V or 0.5 V

6

pF

Co

VCC = 5 V,

VO = 2.5 V or 0.5 V

11

pF

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

‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.