IDT74FCT162501AT(2009) Просмотр технического описания (PDF) - Integrated Device Technology

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IDT74FCT162501AT
(Rev.:2009)

FAST CMOS 18-BIT REGISTERED TRANSCEIVER

Integrated Device Technology 

IDT74FCT162501AT/CT

FAST CMOS 18-BIT REGISTERED TRANSCEIVER

INDUSTRIAL TEMPERATURE RANGE

SWITCHING CHARACTERISTICS OVER OPERATING RANGE

Symbol

fMAX

tPLH

tPHL

Parameter

CLKAB or CLKBA frequency(4)

Propagation Delay

Ax to Bx or Bx to Ax

Condition(1)

CL = 50pF

RL = 500Ω

74FCT162501AT

Min.(2)

Max.

—

150

1.5

5.1

74FCT162501CT

Min.(2)

Max.

Unit

—

150

MHz

1.5

4.3

ns

tPLH PropagationDelay

tPHL LEBA to Ax, LEAB to Bx

1.5

5.6

1.5

4.4

ns

tPLH PropagationDelay

tPHL CLKBA to Ax, CLKAB to Bx

tPZH OutputEnableTime

tPZL OEBA to Ax, OEAB to Bx

tPHZ OutputDisableTime

tPLZ OEBA to Ax, OEAB to Bx

tSU Set-up Time, HIGH or LOW

1.5

5.6

1.5

6

1.5

5.6

3

—

1.5

4.4

ns

1.5

4.8

ns

1.5

5.2

ns

2.4

—

ns

Ax to CLKAB, Bx to CLKBA

tH Hold Time, HIGH or LOW

Ax to CLKAB, Bx to CLKBA

0

—

0

—

ns

tSU Set-up Time, HIGH or LOW Clock LOW

Ax to LEAB, Bx to LEBA

Clock HIGH

3

—

1.5

—

2

—

ns

1.5

—

ns

tH Hold Time, HIGH or LOW

Ax to LEAB, Bx to LEBA

tW LEAB or LEBA Pulse Width HIGH(4)

1.5

—

3

—

0.5

—

ns

3

—

ns

tW CLKAB or CLKBA Pulse Width

HIGH or LOW(4)

tSK(o) Output Skew(3)

3

—

—

0.5

3

—

ns

—

0.5

ns

NOTES:

1. See test circuits and waveforms.

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

3. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.

4. This parameter is guaranteed but not tested.

5

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