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PI74FCT3245 Datasheet(PDF) 3 Page - Pericom Semiconductor Corporation

Part No. PI74FCT3245
Description  Fast CMOS 3.3V 8-Bit Bidirectional Transceiver
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Manufacturer  PERICOM [Pericom Semiconductor Corporation]
Direct Link  http://www.pericom.com
Logo PERICOM - Pericom Semiconductor Corporation

PI74FCT3245 Datasheet(HTML) 3 Page - Pericom Semiconductor Corporation

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PI74FCT3245
3.3V 8-BIT BIDIRECTIONAL TRANSCEIVER
PS7068C
8/22/97
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Power Supply Characteristics
Parameters Description
Test Conditions
(1)
Min.
Typ.
(2)
Max.
Units
ICC
Quiescent Power Supply Current
VCC = Max.
VIN = GND or VCC
0.1
10
µA
∆ICC
Quiescent Power Supply Current
VCC = Max.
VIN = VCC – 0.6V
(3)
2.0
30
µA
TTL Inputs HIGH
ICCD
Dynamic Power Supply
(4)
VCC = Max.,
VIN = VCC
95
100
µA/
Outputs Open
VIN = GND
MHz
OE = GND
One Bit Toggling
50% Duty Cycle
IC
Total Power Supply
VCC = Max.,
VIN = VCC – 0.6V
0.97
2.3
mA
Current
(6)
Outputs Open
VIN = GND
fI = 10 MHZ
50% Duty Cycle
OE = GND
One Bit Toggling
VCC = Max.,
VIN = VCC – 0.6V
1.9
4.7
(5)
Outputs Open
VIN = GND
fI = 2.5 MHZ
50% Duty Cycle
OE = GND
8 Bits Toggling
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 3.3V, +25°C ambient.
3. Per TTL driven input; 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 (ICCL, ICCH and ICCZ)
∆ICC = Power Supply Current for a TTL High Input
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)
NCP = Number of Clock Inputs at fCP
fI = Input Frequency
NI = Number of Inputs at fI
All currents are in milliamps and all frequencies are in megahertz.


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