PI74FCT2163T 데이터 시트보기 (PDF) - Pericom Semiconductor

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PI74FCT2163T

High Speed CMOS Synchronous 4-Bit Binary Counters

Pericom Semiconductor 

PI74FCT161T/163T

(25Ω SERIES) PI74FCT2161T/2163T

4-BIT BINARY COUNTERS 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

Power Supply Characteristics

Parameters Description

Test Conditions(1)

ICC

Quiescent Power

Supply Current

Vcc =Max.

VIN ≥ VHC;

VIN ≥ VLC;

∆CCD

Supply Current per

Input @ TTL HIGH

Vcc =Max

VIN = 3.4V(3)

ICCD

Supply Current per

Input per MHz(4)

Vcc =Max., Outputs Open

OE = GND

T/R = GND or VCC

One Bit Toggling, 50% Duty Cycle

VIN = VCC;

VIN = GND

Min.

Typ(2)

0.1

0.5

0.15

Max. Units

500

µA

2.5

mA

0.25

mA/

MHz

Vcc =Max., Outputs Open

fI = 10 MHz, 50% Duty CycLE

T/R = OE = GND

One Bit Toggling

VIN = VCC;

VIN = GND

VIN = 3.4V

VIN = GND

IC

Total Power

Supply Current(6)

Vcc =Max., Outputs Open

fI = 10 MHz, 50% Duty Cycle

T/R = OE = GND

Eight Bit Toggling

VIN = VCC;

VIN = GND

VIN = 3.4V

VIN = GND

2.0

4.0(5)

2.3

5.0(5)

mA

3.5

6.5(5)

5.5

14.5(5)

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.

4

PS2083B 10/08/01

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