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IDT74FCT623CTLB Datasheet(PDF) 4 Page - Integrated Device Technology

Part # IDT74FCT623CTLB
Description  FAST CMOS OCTAL BUS TRANSCEIVERS (3-STATE)
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT74FCT623CTLB Datasheet(HTML) 4 Page - Integrated Device Technology

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MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT54/74FCT623T/AT/CT
FAST CMOS OCTAL BUS TRANSCEIVERS (3-STATE)
6.19
4
POWER SUPPLY CHARACTERISTICS
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
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.
2563 tbl 07
Symbol
Parameter
Test Conditions(1)
Min.
Typ.(2)
Max.
Unit
∆ICC
Quiescent Power Supply Current
TTL Inputs HIGH
VCC = Max.
VIN = 3.4V(3)
0.5
2.0
mA
ICCD
Dynamic Power Supply
Current(4)
VCC = Max.
Outputs Open
GBA = GAB = GND
One Input Toggling
50% Duty Cycle
VIN = VCC
VIN = GND
0.15
0.25
mA/
MHz
IC
Total Power Supply Current(6)
VCC = Max.
Outputs Open
fi = 10MHz
VIN = VCC
VIN = GND
1.5
3.5
mA
50% Duty Cycle
GBA = GAB = GND
One Bit Toggling
VIN = 3.4V
VIN = GND
1.8
4.5
VCC = Max.
Outputs Open
fi = 2.5MHz
VIN = VCC
VIN = GND
3.0
6.0(5)
50% Duty Cycle
GBA = GAB = GND
Eight Bits Toggling
VIN = 3.4V
VIN = GND
5.0
14.0(5)
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
NOTES:
2563 tbl 07
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays
54/74FCT623T
54/74FCT623AT
54/74FCT623CT
Com'l.
Mil.
Com'l.
Mil.
Com'l.
Mil.
Symbol
Parameter
Condition(1)
Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit
tPLH
tPHL
Propagation Delay
An to Bn
CL = 50pF
RL = 500
1.5
7.5
1.5
9.0
1.5
5.5
1.5
6.3
1.5
4.8
1.5
5.4
ns
tPLH
tPHL
Propagation Delay
Bn to An
1.5
7.5
1.5
9.5
1.5
5.5
1.5
6.3
1.5
4.8
1.5
5.4
ns
tPZH
tPZL
Output Enable Time
GBA to An
1.5
9.0
1.5
10.0
1.5
7.0
1.5
8.0
1.5
6.1
1.5
6.9
ns
tPHZ
tPLZ
Output Disable Time
GBA to An
1.5
8.0
1.5
9.0
1.5
6.5
1.5
7.4
1.5
5.6
1.5
6.4
ns
tPZH
tPZL
Output Enable Time
GAB to Bn
1.5
9.0
1.5
10.5
1.5
7.0
1.5
8.0
1.5
6.1
1.5
6.9
ns
tPHZ
tPLZ
Output Disable Time
GAB to Bn
1.5
8.0
1.5
9.0
1.5
6.5
1.5
7.4
1.5
5.6
1.5
6.4
ns


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