PI3VT3384 데이터 시트보기 (PDF) - Pericom Semiconductor

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PI3VT3384

10-Bit, 2-Port, Low Voltage Translator Bus Switch

Pericom Semiconductor 

PI3VT3384

10-Bit, 2-Port, Low Voltage

Translator Bus Switch 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

Switching Characteristics over 2.5V ±0.2V Operating Range

Parameter

Test Conditions

Conditions(1)

Com.

Min.

Max.

Units

tPLH

tPHL

Propagation Delay (2,3), Ax to Bx

CL = 50pF

RL = 500 Ohms

—

0.25

tPZH

tPZL

Bus Enable Time; BE to Ax or Bx

CL = 50pF

RL = 500 Ohms

tPHZ

tPLZ

Bus Disable Time; BE to Ax or Bx

R = 500 Ohms

1.5

9.8

ns

1.5

8.3

Notes:

1. See test circuit and waveforms.

2. This parameter is guaranteed but not tested on Propagation Delays.

3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load

capacitance. The time constant for the switch alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller

than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the

bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the

load on the driven side.

24-pin QSOP package (Q24)

24

.150 3.81

.157 3.99

1

.337 8.56

.344 8.74

.033

.053 1.35

0.84

.069 1.75

SEATING

PLANE

.025

typical

0.635

.008 0.203

.012 0.305

.004 0.101

.010 0.254

X.XX DENOTES DIMENSIONS

X.XX IN MILLIMETERS

.015 x 45˚

0.38

.016 0.406

.050 1.27

.228

.244

5.79

6.20

.007 0.178

.010 0.254

4

PS8529 03/19/01

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