PI3VT32X245B 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI3VT32X245B Datasheet PDF : 4 Pages
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PI3VT32X245
16-Bit, 2-Port, Low Voltage
Translator Bus Switch 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Switching Characteristics over 2.5V ±0.2V Operating Range
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Description
Propagation Delay(2,3)
Ax to Bx
Bus Enable Time
BE to Ax or Bx
Bus Disable Time
BE to Ax or Bx
Condition(1)
CL = 50pF,
RL = 500 ohms
CL = 50pF,
RL = 500 ohms
R = 500 ohms
Com
Min.
Max.
0.25
1.5
9.8
1.5
8.3
Units
ns
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.
Packaging Mechanical: 40-pin BQSO (B)
X.XX
X.XX DENOTES DIMENSION IN MILLIMETERS
Notes:
1. Controlling dimensions in millimeters
2. Ref.: JEDEC MO - 154 BB
Ordering Information
Ordering Code
PI3VT32X245B
Packaging Code
B
Package Type
40-BQSOP
Pericom Semiconductor Corporation
2380BeringDrive • SanJose,CA95131•1-800-435-2336 • Fax(408)435-1100• http://www.pericom.com
4
PS8532B
09/18/03
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