SN74AS230A

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

SDAS213B – DECEMBER 1982 – REVISED DECEMBER 1994

3

POST OFFICE BOX 655303

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 = 4.5 V to 5.5 V,

IOH = – 2 mA

VCC –2

VOH

VCC =4 5V

IOH = – 3 mA

2.4

3.4

V

VCC = 4.5 V

IOH = – 15 mA

2.4

VOL

VCC = 4.5 V,

IOL = 64 mA

0.31

0.55

V

IOZH

VCC = 5.5 V,

VO = 2.7 V

50

µA

IOZL

VCC = 5.5 V,

VO = 0.4 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

2A inputs

VCC =5 5V

VI =0 4V

–1

mA

IIL

All other inputs

VCC = 5.5 V,

VI = 0.4 V

– 0.5

mA

IO‡

VCC = 5.5 V,

VO = 2.25 V

–50

– 150

mA

Outputs high

16

25

ICC

VCC = 5.5 V

Outputs low

55

87

mA

Outputs disabled

29

46

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

‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

R1 = 500

R2 = 500

TA = MIN to MAX§

UNIT

MIN

MAX

tPLH

1A

1Y

2

6.5

ns

tPHL

1A

1Y

1

5.7

ns

tPLH

2A

2Y

2

6.2

ns

tPHL

2A

2Y

1

6.2

ns

tPZH

1OE

1Y

2

6.4

ns

tPZL

1OE

1Y

2

8.5

ns

tPHZ

1OE

1Y

2

6

ns

tPLZ

1OE

1Y

2

9.5

ns

tPZH

2OE

2Y

2

9

ns

tPZL

2OE

2Y

2

7.5

ns

tPHZ

2OE

2Y

2

6

ns

tPLZ

2OE

2Y

2

9

ns

§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.