IDT74LVCH245AQ IDT, Integrated Device Technology Inc, IDT74LVCH245AQ Datasheet

IDT74LVCH245AQ

Manufacturer Part Number
IDT74LVCH245AQ
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet

Specifications of IDT74LVCH245AQ

Logic Family
LVC
Operating Supply Voltage (typ)
3.3V
Propagation Delay Time
9.5ns
Number Of Elements
1
Number Of Channels
8
Input Logic Level
LVTTL
Output Logic Level
LVTTL
Output Type
3-State
Package Type
SSOP
Polarity
Non-Inverting
Logical Function
Bus Transceiver
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Technology
CMOS
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
20
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IDT74LVCH245AQ
Manufacturer:
IDT
Quantity:
6 220
FEATURES:
• 0.5 MICRON CMOS Technology
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
• V
• V
• CMOS power levels (0.4μ μ μ μ μ W typ. static)
• Rail-to-rail output swing for increased noise margin
• All inputs, outputs, and I/O are 5V tolerant
• Supports hot insertion
• Available in SSOP, QSOP, and TSSOP packages
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Reduced system switching noise
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 1999 Integrated Device Technology, Inc.
IDT74LVCH245A
3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
machine model (C = 200pF, R = 0)
CC
CC
= 3.3V ± 0.3V, Normal Range
= 2.7V to 3.6V, Extended Range
DIR
A
1
1
2
3.3V CMOS OCTAL BUS
TRANSCEIVER WITH 3-STATE
OUTPUTS, 5 VOLT TOLERANT I/O
AND BUS-HOLD
TO SEVEN OTHER CHANNELS
1
DESCRIPTION:
CMOS technology. The device is designed for asynchronous communi-
cation between data buses. Data is transmitted from the A bus to the B bus
or from the B bus to the A bus, depending upon the logic level at the direction-
control (DIR) input. The output-enable (OE) input can be used to disable
the device so the buses are effectively isolated.
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
whenever the input goes to a high-impedance. This prevents floating
inputs and eliminates the need for pull-up/down resistors.
the use of this device as a translator in a mixed 3.3V/5V system environ-
ment.
The LVCH245A octal bus transceiver is built using advanced dual metal
The LVCH245A has been designed with a ±24mA output driver. This
The LVCH245A has “bus-hold” which retains the inputs’ last state
Inputs can be driven from either 3.3V or 5V devices. This feature allows
19
18
OE
B
INDUSTRIAL TEMPERATURE RANGE
1
IDT74LVCH245A
OCTOBER 1999
DSC-4611/3

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IDT74LVCH245AQ Summary of contents

Page 1

... OUTPUTS, 5 VOLT TOLERANT I/O AND BUS-HOLD DESCRIPTION: The LVCH245A octal bus transceiver is built using advanced dual metal CMOS technology. The device is designed for asynchronous communi- cation between data buses. Data is transmitted from the A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the direction- control (DIR) input ...

Page 2

... IDT74LVCH245A 3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS PIN CONFIGURATION 1 DIR GND 10 SSOP/ QSOP/ TSSOP TOP VIEW ABSOLUTE MAXIMUM RATINGS Symbol V TERM T STG OUT NOTE Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation ...

Page 3

... IDT74LVCH245A 3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Operating Condition –40°C to +85°C A Symbol Parameter V Input HIGH Voltage Level IH V Input LOW Voltage Level IL I Input Leakage Current ...

Page 4

... IDT74LVCH245A 3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS OUTPUT DRIVE CHARACTERISTICS Symbol Parameter V Output HIGH Voltage OH V Output LOW Voltage OL NOTE and V must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate V IH ...

Page 5

... IDT74LVCH245A 3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS (1) (1) Symbol V = 3.3V±0. 2. LOAD V 2.7 2 1.5 1 300 300 LZ V 300 300 OUT Pulse (1, 2) D.U.T. Generator R T Test Circuit for All Outputs DEFINITIONS Load capacitance: includes jig and probe capacitance. ...

Page 6

... IDT74LVCH245A 3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS ORDERING INFORMATION IDT XX LVC X XXXX Temp. Range Bus-Hold Device Type CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 XX Package PY Shrink Small Outline Package Q Quarter Size Small Outline Package PG Thin Shrink Small Outline Package 245A Octal Bus Transceiver with 3-State Outputs, ± ...

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