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PI74AVC164245AVE

16-Bit 1.8-2.5V to 3.3V Level Shifting Transceiver with 3-State Outputs

Pericom Semiconductor Corporation 

PI74AVC164245

16-Bit 1.8-2.5V to 3.3V Level Shifting

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Recommended Operating Conditions for VCCA at 1.8V(1)

Min.

VCCA

Supply voltage

1.65

VIH

VIL

VIB

VOA

IOH

IOL

Δt/Δv

High-level voltage

Low-level voltage

Input voltage

Output voltage

High-level output current

Low-level output current

Input transition rise or fall rate

VCCA = 1.65V to 1.95V

VCCA = 1.65V to 1.95V

VCCA = 1.65V

VCCA = 1.95V

VCCA = 1.65V

VCCA = 1.95V

0.65 x VCCA

0

0

TA

Operating free-air temperature

–40

Notes:

1. To ensure proper device operation, all unused device inputs must be held at the associated VCC or GND.

Max.

1.95

0.35 x VCCA

VCCA

VCCA

–4

–8

4

8

10

85

Units

V

mA

ns/V

°C

Electrical Characteristics (VCCB) (Over recommended operating free-air temperature range for VCCB = 3.3V)

Parameters

Test Conditions

VCCB

Min. Typ.† Max. Units

VOH (A to B)

VOL (A to B)

IOH = –100μA

IOH = –12mA

IOL = 100μA

IOL = 12mA

3.0V

2.8

3.6V

3.4

3.0V

2.2

3.6V

2.8

3.0V

3.6V

3.0V

3.6V

V

0.2

0.2

0.5

0.5

II

Control Inputs VI = VCCB or GND

IOZ‡ A or B ports VO = VCCB or GND

ICC

VI = VCCB or GND, IO = 0

3.6V

3.6V

3.6V

±5

±10

μA

20

ΔICC*

One input at VCCB –0.6V, Other inputs at VCCB or GND 3.0V to 3.6V

500

CI Control Inputs VI = VCCB or GND

CIO A or B ports VO = VCCB or GND

3.3V

3.3V

4.5

pF

6.5

Notes:

† Typical values are measured at VCC = 3.3V, TA = 25°C

‡ For I/O ports, the parameter IOZ includes the input leakage current.

* This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than at 0 or the associated VCC.

09-0023

3

PS8425G 08/12/09

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