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PI5C16233CV

16-Bit to 32-Bit Mux/Demux BusSwitch with Undershoot Protection

Pericom Semiconductor 

PI5C16233C

16-Bit to 32-Bit Mux/Demux BusSwitch

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Power Supply Characteristics

Parameters Description

Test Conditions(1)

Min. Typ.(2) Max. Units

ICC

Quiescent Power

Supply Current

∆ICC

Supply Current per

Input @ TTL HIGH

VCC = Max.

VCC = Max.

VIN = GND or VCC

VIN = 3.4V(3)

200 µA

2.5 mA

ICCD

Supply Current per

Input per MHz(4)

VCC = Max.

A and B Pins Open

0.25 mA/

MHz

Control Input Toggling

50% Duty Cycle

Notes:

1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.

2. Typical values are at VCC = 5.0V, +25°C ambient.

3. Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.

4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified

frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is

guaranteed by design.

Switching Characteristics over Operating Range

Parameters

Description

Conditions(1)

Com.

Min. Max. Units

tPLH

Propagation Delay(2,3)

0.25

tPHL

Ax to Bx, Bx to Ax

tPZH

Bus Enable Time

tPZL

SEL to Ax or Bx

tPHZ

Bus Disable Time

tPLZ

SEL to Ax or Bx

CL = 50pF

RL = 500Ω

0.5 5.2

ns

0.5 5.3

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.

Ordering Information

Part

Pin - Package

PI5C16233CA 56-TSSOP (A56)

PI5C16233CV 56-SSOP (V56)

Width

240-mil

300-mil

Pericom Semiconductor Corporation

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

3

PS8361A

06/28/99

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