PI74FCT162646T 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI74FCT162646T Datasheet PDF : 8 Pages
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PI74FCT16646T/162646T/162H646T
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Power Supply Characteristics
Parameters Description
ICC
Quiescent Power
Supply Current
∆ICC
Supply Current per
Input @ TTL HIGH
ICCD
Supply Current per
Input per MHz(4)
IC
Total Power Supply
Current(6)
Test Conditions(1)
VCC = Max.
VIN = GND or VCC
Min. Typ.(2) Max. Units
0.12 500 µA
VCC = Max.
VIN = 3.4V(3)
0.5 1.5 mA
VCC = Max., Outputs Open VIN = VCC
xDIR = xOE = GND
VIN = GND
One Bit Toggling
50% Duty Cycle
VCC = Max.,
Outputs Open
fCP = 10 MHZ (XCLKBA)
50% Duty Cycle
xDIR = xOE = GND
One Bit Toggling
fI = 5 MHZ
50% Duty Cycle
VCC = Max.,
Outputs Open
fCP = 10 MHZ (XCLKBA)
50% Duty Cycle
xDIR = xOE = GND
16 Bits Toggling
fI = 2.5 MHZ
50% Duty Cycle
VIN = VCC
VIN = GND
VIN = 3.4V
VIN = GND
VIN = VCC
VIN = GND
VIN = 3.4
VIN = GND
75 120 µA/
MHz
0.8 1.7(5) mA
1.3 3.2(5)
3.8 6.5(5)
8.3 20.0(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.
6
PS2039B 02/24/99
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