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What is 74LCX32373?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "Low Voltage 32-Bit Transparent Latch with 5V Tolerant Inputs and Outputs Preliminary".


74LCX32373 Datasheet PDF - Fairchild Semiconductor

Part Number 74LCX32373
Description Low Voltage 32-Bit Transparent Latch with 5V Tolerant Inputs and Outputs Preliminary
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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Preliminary
January 2001
Revised August 2001
74LCX32373
Low Voltage 32-Bit Transparent Latch
with 5V Tolerant Inputs and Outputs (Preliminary)
General Description
The LCX32373 contains thirty-two non-inverting latches
with 3-STATE outputs and is intended for bus oriented
applications. The device is byte controlled. The flip-flops
appear transparent to the data when the Latch Enable (LE)
is HIGH. When LE is LOW, the data that meets the setup
time is latched. Data appears on the bus when the Output
Enable (OE) is LOW. When OE is HIGH, the outputs are in
a high impedance state.
The LCX32373 is designed for low voltage (2.5V or 3.3V)
VCC applications with capability of interfacing to a 5V signal
environment.
The LCX32373 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
I 5V tolerant inputs and outputs
I 2.3V–3.6V VCC specifications provided
I 5.4 ns tPD max (VCC = 3.3V), 20 µA ICC max
I Power down high impedance inputs and outputs
I Supports live insertion/withdrawal (Note 1)
I ±24 mA output drive (VCC = 3.0V)
I Uses patented noise/EMI reduction circuitry
I Latch-up performance exceeds 500 mA
I ESD performance:
Human body model > 2000V
Machine model > 200V
I Packaged in plastic Fine-Pitch Ball Grid Array (FBGA)
(Preliminary)
Note 1: To ensure the high-impedance state during power up or down, OE
should be tied to VCC through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Order Number Package Number
Package Description
74LCX32373GX
(Note 2)
BGA96A
96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
(Preliminary) [TAPE and REEL]
Note 2: BGA package available in Tape and Reel only.
Logic Symbol
© 2001 Fairchild Semiconductor Corporation DS500547
www.fairchildsemi.com

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74LCX32373 equivalent
DC Electrical Characteristics (Continued)
Preliminary
Symbol
Parameter
ICC Quiescent Supply Current
ICC
Increase in ICC per Input
Note 6: Outputs disabled or 3-STATE only.
Conditions
VI = VCC or GND
3.6V VI, VO 5.5V (Note 6)
VIH = VCC 0.6V
VCC
(V)
2.3 3.6
2.3 3.6
2.3 3.6
TA = −40°C to +85°C
Min Max
20
±20
500
AC Electrical Characteristics
Symbol
Parameter
tPHL
tPLH
tPHL
tPLH
tPZL
tPZH
tPLZ
tPHZ
tS
tH
tW
Propagation Delay
In to On
Propagation Delay
LE to On
Output Enable Time
Output Disable Time
Setup Time, In to LE
Hold Time, In to LE
LE Pulse Width
TA = −40°C to +85°C, RL = 500
VCC = 3.3V ± 0.3V
VCC = 2.7V
VCC = 2.5V ± 0.2V
CL = 50 pF
CL = 50 pF
CL = 30 pF
Min Max Min Max Min Max
1.5 5.4 1.5 5.9 1.5 6.5
1.5 5.4 1.5 5.9 1.5 6.5
1.5 5.5 1.5 6.4 1.5 6.6
1.5 5.5 1.5 6.4 1.5 6.6
1.5 6.1 1.5 6.5 1.5 7.9
1.5 6.1 1.5 6.5 1.5 7.9
1.5 6.0 1.5 6.3 1.5 7.2
1.5 6.0 1.5 6.3 1.5 7.2
2.5 2.5 3.0
1.5 1.5 2.0
3.0 3.0 3.5
Dynamic Switching Characteristics
Symbol
Parameter
VOLP
Quiet Output Dynamic Peak VOL
VOLV
Quiet Output Dynamic Valley VOL
Capacitance
Conditions
CL = 50 pF, VIH = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
CL = 50 pF, VIH = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
VCC TA = 25°C
(V) Typical
3.3 0.8
2.5 0.6
3.3 0.8
2.5 0.6
Symbol
CIN
COUT
CPD
Parameter
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
Conditions
VCC = Open, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC, f = 10 MHz
Typical
7
8
20
Units
µA
µA
Units
ns
ns
ns
ns
ns
ns
ns
Units
V
V
Units
pF
pF
pF
5 www.fairchildsemi.com


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74LCX32373 electronic component.


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