MC74VHCT244A

VHC Data – Advanced CMOS Logic

DL203 — Rev 1

3

MOTOROLA

DC ELECTRICAL CHARACTERISTICS

Unit

TA = – 40 to 85°C

TA = 25°C

VCC

V

Test Conditions

Parameter

Symbol

Unit

Max

Min

Max

Typ

Min

VCC

V

Test Conditions

Parameter

Symbol

ICCT

Quiescent Supply

Current

Per Input: VIN = 3.4V

Other Input: VCC or GND

5.5

1.35

1.50

mA

IOPD

Output Leakage

Current

VOUT = 5.5V

0

0.5

5.0

µA

Sb l

P

T

C

di i

TA = 25°C

TA = – 40 to 85°C

Ui

Symbol

Parameter

Test Conditions

Min

Typ

Max

Min

Max

Unit

tPLH,

tPHL

Maximum Propagation Delay

A to YA or B to YB

VCC = 5.0 ± 0.5V

CL = 15pF

CL = 50pF

5.4

5.9

7.4

8.4

1.0

1.0

8.5

9.5

ns

tPZL,

tPZH

Output Enable Time

OEA to YA or OEB to YB

VCC = 5.0 ± 0.5V

CL = 15pF

RL = 1kΩ

CL = 50pF

7.7

8.2

10.4

11.4

1.0

1.0

12.0

13.0

ns

tPLZ,

tPHZ

Output Disable Time

OEA to YA or OEB to YB

VCC = 5.0 ± 0.5V

CL = 50pF

RL = 1kΩ

8.8

11.4

1.0

13.0

ns

tOSLH,

tOSHL

Output to Output Skew

VCC = 5.0 ± 0.5V

CL = 50pF

(Note NO TAG)

1.0

1.0

pF

Cin

Maximum Input Capacitance

4

10

10

pF

Cout

Maximum Three–State Output

Capacitance (Output in

High–Impedance State)

9

pF

C

P

Di

i

i

C

i

(N

NO TAG)

Typical @ 25

°C, VCC = 5.0V

F

CPD

Power Dissipation Capacitance (Note NO TAG)

18

pF

1. Parameter guaranteed by design. tOSLH = |tPLHm – tPLHn|, tOSHL = |tPHLm – tPHLn|.

2. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.

dynamic power consumption; PD = CPD  VCC2  fin + ICC  VCC.

Sb l

P

TA = 25°C

Ui

Symbol

Parameter

Typ

Max

Unit

VOLP

Quiet Output Maximum Dynamic VOL

0.9

1.1

V

VOLV

Quiet Output Minimum Dynamic VOL

– 0.9

– 1.1

V

VIHD

Minimum High Level Dynamic Input Voltage

2.0

V

VILD

Maximum Low Level Dynamic Input Voltage

0.8

V