PI74FCT153T datasheet(4/5 Pages) PERICOM

4 / 5 page

PS2009A 03/09/96

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PI74FCT153T/253T

(25

Ω

Ω Series) PI74FCT2153T/2253T

HIGH SPEED CMOS DUAL 4-INPUT MULTIPLEXER

Power Supply Characteristics

Parameters Description

Test Conditions

(1)

Min.

Typ

(2)

Max.

Units

ICC

Quiescent Power

VCC = Max.

VIN = GND or VCC

0.1

500

µA

Supply Current

∆ICC

Supply Current per

VCC = Max.

VIN = 3.4V

(3)

0.5

2.0

Input @ TTL HIGH

ICCD

Supply Current per

VCC = Max.,

VIN = VCC

0.15

0.25

mA/

Input per MHz

(4)

Outputs Open

VIN = GND

MHz

Other inputs at GND

One Bit Toggling

50% Duty Cycle

Total Power Supply

VCC = Max.,

VIN = VCC

3.2

6.5

(5)

Current

(6)

Outputs Open

VIN = GND

fI = 10 MHZ

50% Duty Cycle

VIN = 3.4V

3.5

7.5

(5)

Other inputs at GND

VIN = GND

One Bit Toggling

Notes:

1. For conditions shown as Max. or Min., 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 (VIN = 3.4V); all other inputs at Vcc or GND.

4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.

5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested.

6. IC =IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC +

∆ICC DHNT + ICCD (fCP/2 + fINI)

ICC = Quiescent Current

∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V)

DH = Duty Cycle for TTL Inputs High

NT = Number of TTL Inputs at DH

ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)

fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)

fI = Input Frequency

NI = Number of Inputs at fI

All currents are in milliamps and all frequencies are in megahertz.

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