INDUSTRIALTEMPERATURERANGE

IDT74FCT823AT/CT

HIGH-PERFORMANCECMOSBUSINTERFACEREGISTER

5

SWITCHING CHARACTERISTICS OVER OPERATING RANGE

FCT823AT

FCT823CT

Symbol

Parameter

Condition(1)

Min.(2)

Max.

Min.(2)

Max.

Unit

tPLH

PropagationDelay

CL = 50pF

1.5

10

1.5

6

ns

tPHL

CP to Yx (

OE = LOW)

RL = 500

Ω

CL = 300pF(4)

1.5

20

1.5

12.5

ns

RL = 500

Ω

tSU

Set-up Time HIGH or LOW Dx to CP

CL = 50pF

4

—

3

—

ns

tH

Hold Time HIGH or LOW Dx to CP

RL = 500

Ω

2

—

1.5

—

ns

tSU

Set-up Time HIGH or LOW

EN to CP

4

—

3

—

ns

tH

Hold Time HIGH or LOW

EN to CP

2

—

0

—

ns

tPHL

Propagation Delay,

CLR to Yx

1.5

14

1.5

8

ns

tREM

Recovery Time

CLR to CP

6

—

6

—

ns

tW

Clock Pulse Width HIGH or LOW

7

—

6

—

ns

tW

CLR Pulse Width LOW

6

—

6

—

ns

tPZH

Output Enable Time

OE to Yx

CL = 50pF

1.5

12

1.5

7

ns

tPZL

RL = 500

Ω

CL = 300pF(4)

1.5

23

1.5

12.5

ns

RL = 500

Ω

tPHZ

Output Disable Time

OE to Yx

CL = 5pF(4)

1.5

7

1.5

6

ns

tPLZ

RL = 500

Ω

CL = 50pF

1.5

8

1.5

6.5

ns

RL = 500

Ω

NOTES:

1. See test circuit and waveforms.

2. Minimum limits are guaranteed but not tested on Propagation Delays.

3. This parameter is guaranteed but not tested.

4. This condition is guaranteed but not tested.