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What is 74LVXC3245WM?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "8-Bit Dual Supply Configurable Voltage Interface Transceiver with 3-STATE Outputs".


74LVXC3245WM Datasheet PDF - Fairchild Semiconductor

Part Number 74LVXC3245WM
Description 8-Bit Dual Supply Configurable Voltage Interface Transceiver with 3-STATE Outputs
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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February 1994
Revised July 1999
74LVXC3245
8-Bit Dual Supply Configurable Voltage Interface
Transceiver with 3-STATE Outputs
General Description
The LVXC3245 is a 24-pin dual-supply, 8-bit configurable
voltage interface transceiver suited for PCMCIA and other
real time configurable I/O applications. The VCCA pin
accepts a 3V supply level. The A Port is a dedicated 3V
port. The VCCB pin accepts a 3V-to-5V supply level. The B
Port is configured to track the VCCB supply level respec-
tively. A 5V level on the VCC pin will configure the I/O pins
at a 5V level and a 3V VCC will configure the I/O pins at a
3V level. The A Port should interface with a 3V host system
and the B Port to the card slots. This device will allow the
VCCB voltage source pin and I/O pins on the B Port to float
when OE is HIGH. This feature is necessary to buffer data
to and from a PCMCIA socket that permits PCMCIA cards
to be inserted and removed during normal operation.
Features
s Bidirectional interface between 3V and 3V-to-5V buses
s Control inputs compatible with TTL level
s Outputs source/sink up to 24 mA
s Guaranteed simultaneous switching noise level and
dynamic threshold performance
s Implements patented EMI reduction circuitry
s Flexible VCCB operating range
s Allows B Port and VCCB to float simultaneously when OE
is HIGH
s Functionally compatible with the 74 series 245
Ordering Code:
Order Number Package Number
Package Description
74LVXC3245WM
74LVXC3245QSC
M24B
MQA24
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150” Wide
74LVXC3245MTC
MTC24
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
Pin Descriptions
Pin Names
OE
T/R
A0–A7
B0–B7
Description
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
© 1999 Fairchild Semiconductor Corporation DS012008
www.fairchildsemi.com

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74LVXC3245WM equivalent
AC Electrical Characteristics
TA = +25°C
TA = −40°C to +85°C
TA = +25°C
TA = −40°C to +85°C
CL = 50 pF
CL = 50 pF
CL = 50 pF
CL = 50 pF
Symbol
Parameter
VCCA = 2.7V–3.6V
VCCB = 4.5V–5.5V
VCCA = 2.7V–3.6V
VCCB = 4.5V–5.5V
VCCA = 2.7V–3.6V
VCCB = 3.0V–3.6V
VCCA = 2.7V–3.6V Units
VCCB = 3.0V–3.6V
Min Typ Max Min
Max
Min Typ Max Min
Max
(Note 6)
(Note 7)
tPHL
Propagation Delay
1.0
4.8
8.0
tPLH
A to B
1.0 3.9 6.5
tPHL
Propagation Delay
1.0
3.8
6.5
tPLH
B to A
1.0 4.3 7.5
tPZL Output Enable Time 1.0 4.7 8.0
tPZH
OE to B
1.0 4.8 8.5
1.0
1.0
1.0
1.0
1.0
1.0
8.5 1.0 5.5 8.5 1.0
7.0 1.0 5.2 8.0 1.0
9.0
ns
8.5
7.0 1.0 4.4 7.0 1.0
8.0 1.0 5.1 7.5 1.0
7.5
ns
8.0
8.5 1.0 6.0 9.0 1.0
9.5
ns
9.0
1.0 6.1 9.5
1.0
10.0
tPZL
Output Enable Time 1.0 5.9 9.5
1.0
10.0 1.0 6.4 10.0 1.0
10.5
ns
tPZH
OE to A
1.0 5.4 9.0
1.0
9.5
1.0 5.8 9.0
1.0
9.5
tPHZ Output Disable Time 1.0 4.0 8.0
tPLZ OE to B
1.0 3.8 7.5
1.0
1.0
8.5 1.0 6.3 9.5 1.0 10.0
ns
8.0
1.0 4.5 8.0
1.0
8.5
tPHZ Output Disable Time 1.0 4.6 9.5
1.0
10.0 1.0 5.2 9.5
1.0
10.0
ns
tPLZ OE to A
1.0 3.1 6.5
1.0
7.0
1.0 3.4 6.5
1.0
7.0
tOSHL
tOSLH
Output to Output
Skew (Note 8)
Data to Output
1.0 1.5
1.5 1.0 1.5
1.5 ns
Note 6: Typical values at VCCA = 3.3V, VCCB = 5.0V @ 25°C.
Note 7: Typical values at VCCA = 3.3V, VCCB = 3.3V @ 25°C.
Note 8: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Parameter guaranteed by design.
Capacitance
Symbol
Parameter
CIN Input Capacitance
CI/O Input/Output Capacitance
CPD Power Dissipation
Capacitance (Note 9)
Note 9: CPD is measured at 10 MHz.
AB
BA
Typ Units
Conditions
4.5 pF VCC = Open
10 pF VCCA = 3.3V
VCCB = 5.0V
50 pF VCCB = 5.0V
40 pF VCCA = 3.3V
5 www.fairchildsemi.com


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74LVXC3245WM electronic component.


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Part NumberDescriptionMFRS
74LVXC3245WMThe function is 8-Bit Dual Supply Configurable Voltage Interface Transceiver with 3-STATE Outputs. Fairchild SemiconductorFairchild Semiconductor

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