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PI74FCT16245T
PI74FCT162245T
Fast CMOS 16-Bit Bidirectional Tranceivers
4
PS2032K
11/06/08
Capacitance (TA = 25°C, f = 1 MHz)
Parameters
Description
Test Conditions(1)
Typ.(2)
Max.
Units
CIN
Input Capacitance
VIN = 0V
4.5
6
pF
COUT
Output Capacitance
VOUT = 0V
5.5
8
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
500
μA
ΔICC
Supply Current per
Input @ TTL HIGH
VCC = Max.
VIN = 3.4V(3)
0.5
1.5
mA
ICCD
Supply Current per
Input per MHz(4)
VCC = Max.,
Outputs Open
X
OE = xDIR = GND
One Bit Toggling
50% Duty Cycle
VIN = VCC,
VIN = GND
60
100
μA/
MHz
IC
Total Power Supply
Current(6)
VCC = Max.,
Outputs Open
fI = 10 MHZ
50% Duty Cycle
X
OE = xDIR = GND
One Bit Toggling
VIN = VCC,
VIN = GND
0.7
2.5(5)
mA
VIN = 3.4V
0.9
3.3(5)
VCC = Max.,
Outputs Open
fI = 2.5 MHZ
50% Duty Cycle
X
OE = xDIR = GND
16 Bits Toggling
VIN = VCC,
VIN = GND
2.5
5.5(5)
VIN = 3.4V
6.5
17.5(5)
Notes:
1.
For Max. or Min. conditions, use appropriate value specied 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.
Guaranteed by design, not production tested.
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 + ΔICC DHNT + ICCD (fCP/2 + fINI)
ICC = Quiescent Current
ΔICC = 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.
Notes:
1.
For Max. or Min. conditions, use appropriate value specied under Electrical Characteristics for the applicable device.
2.
Typical values are at VCC = 5.0V, +25°C ambient.
08-0291
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