PI74FCT162500T 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI74FCT162500T Datasheet PDF : 6 Pages
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PI74FCT16500/162500T
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Power Supply Characteristics
Parameters Description
Test Conditions(1)
ICC
Quiescent Power
VCC = Max.
Supply Current
∆ICC
Supply Current per VCC = Max.
Input @ TTL HIGH
VIN = GND or VCC
VIN = 3.4V(3)
ICCD
Supply Current per VCC = Max., Outputs Open
VIN = VCC
Input per MHz(4)
OEAB = OEBA = VCC or GND VIN = GND
One Bit Toggling
50% Duty Cycle
IC
Total Power Supply VCC = Max.,
Current(6)
Outputs Open
fCP = 10 MHZ (CLKAB)
50% Duty Cycle
OEAB = OEBA = VCC
LEAB = GND
One Bit Toggling
fI = 5 MHZ
50% Duty Cycle
VCC = Max., Output Open
fCP = 10 MHZ (CLKAB)
50% Duty Cycle
OEAB = OEBA = VCC
LEAB = GND
Eighteen Bits Toggling
fI = 2.5 MHZ
50% Duty Cycle
VIN = VCC
VIN = GND
VIN = 3.4V
VIN = GND
VIN = VCC
VIN = GND
VIN = 3.4V
VIN = GND
Min. Typ(2) Max. Units
0.1 500 µA
0.5 1.5 mA
75 120 µA/
MHz
0.8 2.7(5) mA
1.3 4.2(5)
3.8 7.5(5)
8.6 21.85(5)
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 (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
PS2077A 01/15/95
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