IDTQS74FCT2821BTSO datasheet(4/6 Pages) IDT

Part #	IDTQS74FCT2821BTSO

Description	HIGH-SPEED CMOS BUS INTERFACE 10-BIT REGISTER

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Manufacturer	IDT [Integrated Device Technology]

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INDUSTRIALTEMPERATURERANGE

IDTQS74FCT2821AT/BT/CT

HIGH-SPEEDCMOSBUSINTERFACE10-BITREGISTER

FCT2821AT

FCT2821BT

FCT2821CT

Symbol

Parameter

Min.

Max.

Min.

Max.

Min.

Max.

Unit

tPLH

Clock to Y Delay

—

10

—

7.5

—

6

ns

tPHL

OE = LOW

tPLH

Clock to Y Delay

—

20

—

15

—

12.5

ns

tPHL

OE = LOW(2)

tS

Data to CP Setup Time

4

—

3

—

3

—

ns

tH

Data to CP Hold Time

2

—

1.5

—

1.5

—

ns

SWITCHING CHARACTERISTICS OVER OPERATING RANGE(1)

NOTES:

1. CLOAD = 50pF, RLOAD = 500

Ω unless otherwise noted.

2. CLOAD = 300pF.

FCT2821AT

FCT2821BT

FCT2821CT

Symbol

Parameter(2)

Min.

Max.

Min.

Max.

Min.

Max.

Unit

tPLH

Clock to Y Delay

7

—

6

—

6

—

ns

tPHL

HIGH or LOW

tPZH

OutputEnableTime

—

12

—

8

—

7

ns

tPZL

OE to Yx

tPZH

OutputEnableTime(3)

—23

—

ns

tPZL

OE to Yx

tPHZ

OutputDisableTime(4)

—

7

—

6.5

—

6.2

ns

tPLZ

OE to Yx

tPHZ

OutputDisableTime

—

9

—

7.5

—

6.5

ns

tPLZ

OE to Yx

TIMING REQUIREMENTS OVER OPERATING RANGE(1)

NOTES:

1. CLOAD = 50pF, RLOAD = 500

Ω unless otherwise noted.

2. See Test Circuits and Waveforms

3. CLOAD = 300pF.

4. CLOAD = 5pF.

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