PI74LCX16543 查看數據表（PDF） - Pericom Semiconductor

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PI74LCX16543

Fast CMOS 16-Bit Latched Transceivers

Pericom Semiconductor 

PI74LCX16543

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Switching Characteristics over Operating Range

VCC = 3.3V ± 0.3V

Parameters

Description

tPHL

Propagation Delay

tPLH

An to Bn or Bn to An

tPHL

Propagation Delay

tPLH

LEBAn to An or LEABn to Bn

Output Enable Time

tPZL

tPZH

OEBAn or OEABn to An or Bn

CEBAn or CEABn to An or Bn

Output Disable Time

tPLZ

tPHZ

OEBAn or OEABn to An or Bn

CEBAn or CEABn to An or Bn

tS

Setup Time, HIGH or LOW

Data to LExxn

tH

Hold Time, HIGH or LOW

Data to LExxn

tW

Pulse Width, Latch Enable, LOW

Conditions

CL = 50pF

RL = 500Ω

Min.

1.5

1.5

1.5

1.5

2.5

1.5

3.0

Max.

5.2

6.5

6.5

6.5







tSK(0)

Output to Output Skew(1)



1.0

Notes:

1. Skew between any two outputs, of the same package, switching in the same direction.

VCC = 2.7V

Min. Max.

1.5

6.0

Units

1.5

7.5

1.5

7.0

1.5

7.0

ns

2.5



1.5



3.0







Dynamic Switching Characteristics (TA = +25°C)

Parameters Description

Test Conditions(1)

Typ. Units

VOLP

VOLV

Dynamic LOW Peak Voltage

Dynamic LOW Valley Voltage

VCC = 3.3V, CL = 50 pF

VIH = 3.3V, VIL = 0V

VCC = 3.3V, CL = 50 pF

VIH = 3.3V, VIL = 0V

0.8

V

Note:

1. Measured with n–1 outputs switching from High-to-Low or Low-to-High. The remaining output is measured in the LOW state.

5

PS2092B 09/19/02

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