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What is 74LCX32245G?

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


74LCX32245G Datasheet PDF - Fairchild Semiconductor

Part Number 74LCX32245G
Description Low Voltage 32-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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November 2001
Revised June 2002
74LCX32245
Low Voltage 32-Bit Bidirectional Transceiver
with 5V Tolerant Inputs and Outputs
General Description
The LCX32245 contains thirty-two non-inverting bidirec-
tional buffers with 3-STATE outputs and is intended for bus
oriented applications. The device is designed for low volt-
age (2.5V or 3.3V) VCC applications with capability of inter-
facing to a 5V signal environment. The device is byte
controlled. Each byte has separate control inputs which
could be shorted together for full 32-bit operation. The T/R
inputs determine the direction of data flow through the
device. The OE inputs disable both the A and B ports by
placing them in a high impedance state.
The LCX32245 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
s 5V tolerant inputs and outputs
s 2.3V–3.6V VCC specifications provided
s 4.5 ns tPD max (VCC = 3.3V), 20 µA ICC max
s Power down high impedance inputs and outputs
s Supports live insertion/withdrawal (Note 1)
s ±24 mA output drive (VCC = 3.0V)
s Uses patented noise/EMI reduction circuitry
s Latch-up performance exceeds 500 mA
s ESD performance:
Human body model > 2000V
Machine model > 200V
s Packaged in plastic Fine-Pitch Ball Grid Array (FBGA)
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
74LCX32245G
(Note 2)(Note 3)
BGA96A
96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
Note 2: Ordering code Gindicates Trays.
Note 3: Devices also available in Tape and Reel. Specify by appending the suffix letter Xto the ordering code.
Logic Symbol
© 2002 Fairchild Semiconductor Corporation DS500428
www.fairchildsemi.com

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74LCX32245G equivalent
DC Electrical Characteristics (Continued)
Symbol
Parameter
ICC Quiescent Supply Current
ICC
Increase in ICC per Input
Note 7: Outputs disabled or 3-STATE only.
Conditions
VI = VCC or GND
3.6V VI, VO 5.5V (Note 7)
VIH = VCC 0.6V
VCC
(V)
2.33.6
2.33.6
2.33.6
TA = −40°C to +85°C
Min Max
20
±20
500
AC Electrical Characteristics
Symbol
Parameter
tPHL
tPLH
tPZL
tPZH
tPLZ
tPHZ
Propagation Delay
An to Bn or Bn to An
Output Enable Time
Output Disable Time
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 4.5 1.5 5.2 1.5 5.4
1.5 4.5 1.5 5.2 1.5 5.4
1.5 6.5 1.5 7.2 1.5 8.5
1.5 6.5 1.5 7.2 1.5 8.5
1.5 6.4 1.5 6.9 1.5 7.7
1.5 6.4 1.5 6.9 1.5 7.7
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
CI/O
CPD
Parameter
Input Capacitance
Input/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
Units
V
V
Units
pF
pF
pF
5 www.fairchildsemi.com


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Featured Datasheets

Part NumberDescriptionMFRS
74LCX32245The function is Low Voltage 32-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs. Fairchild SemiconductorFairchild Semiconductor
74LCX32245GThe function is Low Voltage 32-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs. Fairchild SemiconductorFairchild Semiconductor

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