74lvth32245 Fairchild Semiconductor, 74lvth32245 Datasheet

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74lvth32245

Manufacturer Part Number
74lvth32245
Description
74lvt32245 * 74lvth32245 Low Voltage 32-bit Transceiver With 3-state Outputs
Manufacturer
Fairchild Semiconductor
Datasheet

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© 2002 Fairchild Semiconductor Corporation
74LVT32245G
(Note 1)(Note 2)
74LVTH32245G
(Note 1)(Note 2)
74LVT32245 • 74LVTH32245
Low Voltage 32-Bit Transceiver with 3-STATE Outputs
General Description
The LVT32245 and LVTH32245 contain thirty-two non-
inverting bidirectional buffers with 3-STATE outputs and are
intended for bus oriented applications. The devices are
byte controlled. Each byte has separate control inputs
which can 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 LVTH32245 data inputs include bushold, eliminating
the need for external pull-up resistors to hold unused
inputs.
These non-inverting transceivers are designed for low volt-
age (3.3V) V
vide a TTL interface to a 5V environment. The LVT32245
and LVTH32245 are fabricated with an advanced BiCMOS
technology to achieve high speed operation similar to 5V
ABT while maintaining low power dissipation.
Ordering Code:
Note 1: Ordering code “G” indicates Trays.
Note 2: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Order Number
CC
applications, but with the capability to pro-
Package Number
(Preliminary)
BGA96A
BGA96A
96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
DS500433
Features
Input and output interface capability to systems at
5V V
Bushold data inputs eliminate the need for external
pull-up resistors to hold unused inputs (74LVTH32245),
also available without bushold feature (74LVT32245).
Live insertion/extraction permitted
Power Up/Down high impedance provides glitch-free
bus loading
Outputs source/sink 32 mA/ 64 mA
ESD performance:
Human-body model
Machine model
Charged-device model
Packaged in plastic Fine-Pitch Ball Grid Array (FBGA)
CC
Package Description
200V
2000V
1000V
March 2002
Revised June 2002
www.fairchildsemi.com

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74lvth32245 Summary of contents

Page 1

... Features Input and output interface capability to systems Bushold data inputs eliminate the need for external pull-up resistors to hold unused inputs (74LVTH32245), also available without bushold feature (74LVT32245). Live insertion/extraction permitted Power Up/Down high impedance provides glitch-free bus loading Outputs source/sink 32 mA ...

Page 2

Connection Diagram (Top Thru View) Truth Tables Inputs Outputs OE T Bus B –B Data to Bus Bus A –A Data to Bus HIGH–Z State on ...

Page 3

Functional Description The LVT32245 and LVTH32245 contain thirty-two non-inverting bidirectional buffers with 3-STATE outputs. The device is byte controlled with each byte functioning identically, but independent of the other. The control pins can be shorted together to obtain 16-bit or ...

Page 4

Absolute Maximum Ratings Symbol Parameter V Supply Voltage Input Voltage I V Output Voltage Input Diode Current Output Diode Current Output Current Supply Current per ...

Page 5

... CC1 Note 5: Applies to bushold versions only (74LVTH32245). Note 6: An external driver must source at least the specified current to switch from LOW-to-HIGH. Note 7: An external driver must sink at least the specified current to switch from HIGH-to-LOW. Note 8: This is the increase in supply current for each input that is at the specified voltage level rather than V ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted 96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...

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