CD54ACT163, CD74ACT163

4-BIT SYNCHRONOUS BINARY COUNTERS

SCHS300 – APRIL 2000

7

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

CD54ACT163

CD74ACT163

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

IOH = –50 µA

4.5 V

4.4

4.4

4.4

VOH

VI =VIH or VIL

IOH = –24 mA

4.5 V

3.94

3.7

3.8

V

VOH

VI = VIH or VIL

IOH = –50 mA†

5.5 V

–

3.85

–

V

IOH = –75 mA†

5.5 V

–

–

3.85

IOL = 50 µA

4.5 V

0.1

0.1

0.1

VOL

VI =VIH or VIL

IOL = 24 mA

4.5 V

0.36

0.5

0.44

V

VOL

VI = VIH or VIL

IOL = 50 mA†

5.5 V

–

1.65

–

V

IOL = 75 mA†

5.5 V

–

–

1.65

II

VI = VCC or GND

5.5 V

±0.1

±1

±1

µA

ICC

VI = VCC or GND,

IO = 0

5.5 V

8

160

80

µA

DICC

VI = VCC –2.1 V

4.5 V to

5.5 V

2.4

3

2.8

mA

Ci

10

10

10

pF

† Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage to minimize

power dissipation. Test verifies a minimum 50-

W transmission-line drive capability at 85°C and 75-W transmission-line drive capability at 125°C.

ACT INPUT LOAD TABLE

INPUT

UNIT LOAD

A, B, C, or D

0.13

CLK

1

CLR, ENT

0.83

LOAD

0.67

ENP

0.5

Unit Load is

∆ICC limit specified in electrical

characteristics table (e.g., 2.4 mA at 25

°C).

timing requirements over recommended operating conditions (unless otherwise noted)

CD54ACT163

CD74ACT163

UNIT

MIN

MAX

MIN

MAX

UNIT

fclock

Clock frequency

80

91

MHz

tw

Pulse duration

CLK high or low

6.2

5.4

ns

↑

A, B, C, or D

5

4.4

t

Setup time before CLK

↑

ENP or ENT

6

5.3

ns

tsu

Setup time, before CLK

↑

LOAD low

7.5

6.6

ns

CLR inactive

7.5

6.6

↑

A, B, C, or D

0

0

th

Hold time after CLK

↑

ENP or ENT

0

0

ns

th

Hold time, after CLK

↑

LOAD low

0

0

ns

CLR inactive

0

0