RCO

ENT

ns

ns

CLK

Any Q

PARAMETER

UNIT

RCO

ENT

ns

ns

CLK

Any Q

FROM

(INPUT)

TO

(OUTPUT)

SN54AS160 THRU SN54AS163

SN74AS160 THRU SN74AS163

SYNCHRONOUS 4-BIT BINARY COUNTERS

SDAS024A – D2661, APRIL 1982 – REVISED MAY 1986

POST OFFICE BOX 655303

9

’AS160, ’AS161 switching characteristics (see Note 1)

FROM

(INPUT)

TO

(OUTPUT)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

CL = 50 pF,

TA = MIN to MAX

SN54AS160

SN54AS161

SN74AS160

SN74AS161

MIN

MAX

MIN

MAX

fmax

65

75

MHz

tPHL

RCO

2

14

2

12.5

tPLH

CLK

RCO (with LOAD high)

1

8.5

1

8

ns

tPLH

RCO (with LOAD low)

3

17.5

3

16.5

tPLH

1

7.5

1

7

tPHL

2

14

2

13

tPLH

1.5

10

1.5

9

tPHL

1

9.5

1

8.5

tPHL

CLR

Any Q

2

14

2

13

ns

tPHL

CLR

RCO

2

14

2

12.5

ns

’AS162, ’AS163 switching characteristics (see Note 1)

PARAMETER

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

TA = MIN to MAX

UNIT

SN54AS162

SN54AS163

SN74AS162

SN74AS163

MIN

MAX

MIN

MAX

fmax

65

75

MHz

tPHL

RCO

2

14

2

12.5

tPLH

CLK

RCO (with LOAD high)

1

8.5

1

8

ns

tPLH

RCO (with LOAD low)

3

17.5

3

16.5

tPLH

1

7.5

1

7

tPHL

2

14

2

13

tPLH

1.5

10

1.5

9

tPHL

1

9.5

1

8.5

NOTE 1: Load circuit and voltage waveforms are shown in Section 1.