MM74C941 datasheet(3/6 Pages) NSC

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AC Electrical Characteristics TA e 25 C CL e 50 pF unless otherwise specified

Symbol

Parameter

Conditions

Min

Typ

Max

Units

tpd1 tpd0

Propagation Delay

VCC e 50V CL e 50 pF

140

(Data IN to OUT)

VCC e 10V CL e 50 pF

VCC e 50V CL e 150 pF

160

VCC e 10V CL e 150 pF

tIH tOH

Propagation Delay Output

RL e 1kX CL e 50 pF

Disable to Logic Level (from

VCC e 50V

100

200

High Impedance State) (from a

VCC e 210V

110

Logic Level)

tH1 tH0

Propagation Delay Output

RL e 1kX CL e 50 pF

Disable to Logic Level (from

VCC e 50V

100

200

High Impedance State)

VCC e 10V

110

tTHL tTLH

Transition Time

VCC e 50V CL e 50 pF

100

VCC e 10V CL e 50 pF

VCC e 50V CL e 150 pF

160

VCC e 10V CL e 150 pF

100

CPD

Power Dissipation Capacitance

(Note 3)

(Output Enabled per Buffer)

100

(Output Disabled per Buffer)

CIN

Input Capacitance

(Note 2)

(Any Input)

VIN e 0V f e 1 MHz

TA e 25 C

(Output Capacitance)

VIN e 0V f e 1 MHz

(Output Disabled)

TA e 25 C

AC Parameters are guaranteed by DC correlated testing

Note 1

‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed Except for ‘‘Operating Temperature Range’’

they are not meant to imply that the devices should be operated at these limits The table of ‘‘Electrical Characteristics’’ provides conditions for actual device

operation

Note 2

Capacitance is guaranteed by periodic testing

Note 3

CPD determines the no load AC power consumption of any CMOS device For complete explanation see 54C74C Family Characteristics Application Note

AN-90

Truth Table

OD1

OD2

Input

Output

1 e High

0 e Low

X e Don’t Care

Z e TRI-STATE

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