Setup time

before CLK

↑

ns

tw

Pulse duration

ENP, ENT

’ALS162B, ’ALS163B

UNIT

UNIT

VOL

V

TEST CONDITIONS

PARAMETER

SN54ALS160B THRU SN54ALS163B

SN74ALS160B THRU SN74ALS163B

SYNCHRONOUS 4-BIT DECADE COUNTERS

SDAS024A – D2661, APRIL 1982 – REVISED MAY 1986

POST OFFICE BOX 655303

6

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating free-air temperature range:

SN54ALS160B thru SN54ALS163B

– 55

°C to 125°C

. . . . . . . . . . .

SN74ALS160B thru SN74ALS163B

0

°C to 70°C

. . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

recommended operating conditions

SN54ALS160B

THRU

SN54ALS163B

SN74ALS160B

THRU

SN74ALS163B

MIN

NOM

MAX

MIN

NOM

MAX

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

0.7

0.8

V

IOH

High-level output current

– 0.4

– 0.4

mA

IOL

Low-level output current

4

8

mA

fclock

Clock frequency

0

22

0

40

MHz

CLR high or low

20

12.5

’ALS160B, ’ALS161B CLR low

20

15

A, B, C, D

50

15

LOAD

20

15

’ALS160B, ’ALS161B

25

15

tsu

’ALS162B, ’ALS163B

20

15

ns

’ALS160B, ’ALS161B

CLR inactive

10

10

CLR low

20

15

CLR high (inactive)

10

10

th

Hold time, all synchronous inputs after CLK

↑

0

0

ns

TA

Operating free-air temperature

–55

125

0

70

°C

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

otherwise noted)

SN54ALS160B

THRU

SN54ALS163B

SN74ALS160B

THRU

SN74ALS163B

MIN

TYP†

MAX

MIN

TYP†

MAX

VIK

VCC = 4.5 V,

II = – 18 mA

– 1.5

– 1.5

V

VOH

VCC = 4.5 V to 5.5 V,

IOH = – 0.4 mA

VCC–2

VCC–2

V

VCC = 4.5 V,

IOL = 4 mA

0.25

0.4

0.25

0.4

VCC = 4.5 V,

IOL = 8 mA

0.35

0.5

II

VCC = 5.5 V,

VI = 7 V

0.1

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

20

µA

IIL

VCC = 5.5 V,

VI = 0.4 V

– 0.2

– 0.2

mA

IO‡

VCC = 5.5 V,

VO = 2.25 V

–30

–112

–30

–112

mA

ICC

VCC = 5.5 V

12

21

12

21

mA

† 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.