PI74FCT16260TV Просмотр технического описания (PDF) - Pericom Semiconductor
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PI74FCT16260TV Datasheet PDF : 5 Pages
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PI74FCT16260T
PI74FCT162260T 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Fast CMOS 12-Bit Tri-Port Bus Exchanger
Power Supply Characteristics
Parameters Description
Test Conditions(1)
Min. Typ.(2) Max. Units
ICCL, ICCH, Quiescent Power
ICCZ
Supply Current
DICC
Supply Current per
Input @ TTL HIGH
VCC = Max.
VCC = Max.
VIN = GND or VCC
VIN = 3.4V(3)
5 500 µA
0.5 1.5 mA
ICCD
Supply Current per
Input per MHz(4)
VCC = Max.
Outputs Open
One Output Port Enabled
LExx = VCC
One Input Bit Toggling
One Output Bit Toggling
50% Duty Cycle
VIN = VCC
VIN = GND
60 100 µA/
MHz
IC
Total Power Supply
Current(6)
VCC = Max.,
Outputs Open
fI = 10MHz
50% Duty Cycle
One Output Port Enabled
LExx = VCC
One Input Bit Toggling
One Output Bit Toggling
VIN = VCC
VIN = GND
VIN = 3.4V
VIN = GND
0.6 1.5 mA
0.9 2.3
VCC = Max.,
VIN = VCC
Outputs Open
VIN = GND
fI = 2.5MHz
50% Duty Cycle
One Output Port Enabled VIN = 3.4V
LExx = VCC
VIN = GND
Twelve Input Bit Toggling
Twelve Output Bit Toggling
1.8 3.5(5)
4.8 12.5(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
PS8307A 11/17/98
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