PI74LCX16646(1997) 查看數據表（PDF） - Pericom Semiconductor

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PI74LCX16646
(Rev.:1997)

Fast CMOS 3.3V 16-Bit Registered Transceivers

Pericom Semiconductor 

PI74LCX16646

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Switching Characteristics over Operating Range

Parameters Description

fmax Maximum Clock Frequency

tPHL

Propagation Delay

tPLH

Bus to Bus

tPHL

Propagation Delay

tPLH

Clock to Bus

tPHL

Propagation Delay

tPLH

Select to Bus

tPZL

Output Enable Time

tPZH

tPLZ

Output Disable Time

tPHZ

tS

Setup Time

tH

Hold Time

tW

Pulse Width

Conditions

CL = 50pF

RL = 500Ω

VCC = 3.3V ± 0.3V

Min.

Max.

170



1.5

5.0

1.5

6.0

1.5

6.0

1.5

7.5

1.5

6.0

2.5



1.5



3.0



VCC = 2.7V

Min.

Max.





1.5

6.0

Units

1.5

7.0

1.5

7.0

1.5

8.5

ns

1.5

7.0

2.5



1.5



3.0



tSK(O) Output to Output Skew(1)



1.0





Note:

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

This parameter is guaranteed by design.

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.

Pericom Semiconductor Corporation

2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com

6

PS2093A 02/12/97

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