IDT74LVC4245A IDT [Integrated Device Technology], IDT74LVC4245A Datasheet

no-image

IDT74LVC4245A

Manufacturer Part Number
IDT74LVC4245A
Description
CMOS OCTAL BUS TRANSCEIVER AND 3.3V TO 5V SHIFTER WITH 3-STATE OUT-PUTS AND 5 VOLT TOLERANT I/O
Manufacturer
IDT [Integrated Device Technology]
Datasheet
FEATURES:
• 0.5 MICRON CMOS Technology
• 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 SOIC, 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
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 2000 Integrated Device Technology, Inc.
FUNCTIONAL BLOCK DIAGRAM
IDT74LVC4245A
CMOS OCTAL BUS TRANSCEIVER AND 3.3V TO 5V SHIFTER
CCA
CCB
= 5V ± 0.5V
= 2.7V to 3.6V
DIR
A
A
A
A
A
A
A
A
6
1
2
3
5
7
8
4
CMOS OCTAL BUS
TRANSCEIVER AND 3.3V TO 5V
SHIFTER WITH 3-STATE OUT-
PUTS AND 5 VOLT TOLERANT I/O
2
3
4
5
6
7
8
9
10
1
DESCRIPTION:
technology. This octal noninverting bus transceiver contains two separate
supply rails; B port has V
is set at 5V. This allows for translation from a 3.3V to a 5V environment, and
vice-versa.
(A and B). The direction control pin (DIR) controls the direction of data flow.
The output enable pin (OE) overrides the direction control and disables both
ports. All inputs are designed with hysteresis for improved noise margin.
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
The LVC4245A is manufactured using advanced dual metal CMOS
This device is ideal for asynchronous communication between two buses
The LVC4245A has been designed with a ±24mA output driver. This
CCB
22
20
21
19
15
14
18
17
16
, which is set at 3.3V, and A port has V
B
B
B
B
B
B
B
OE
B
6
7
4
8
2
3
5
1
INDUSTRIAL TEMPERATURE RANGE
IDT74LVC4245A
JULY 2000
DSC-4754/1
CCA
, which

Related parts for IDT74LVC4245A

IDT74LVC4245A Summary of contents

Page 1

... DIR INDUSTRIAL TEMPERATURE RANGE IDT74LVC4245A , which is set at 3.3V, and A port has V , which CCB CCA ...

Page 2

... IDT74LVC4245A CMOS OCTAL BUS TRANSCEIVER AND 3. SHIFTER PIN CONFIGURATION 24 1 (5V) V CCA 23 DIR GND 11 GND 13 12 SOIC/ SSOP/ QSOP/ TSSOP TOP VIEW ABSOLUTE MAXIMUM RATINGS ...

Page 3

... IDT74LVC4245A CMOS OCTAL BUS TRANSCEIVER AND 3. SHIFTER DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE (A PORT) Following Conditions Apply Unless Otherwise Specified: Operating Condition –40°C to +85° Symbol Parameter V Input HIGH Voltage Level IH V Input LOW Voltage Level IL I Input Leakage Current ...

Page 4

... IDT74LVC4245A CMOS OCTAL BUS TRANSCEIVER AND 3. SHIFTER OUTPUT DRIVE CHARACTERISTICS, V Symbol Parameter V Output HIGH Voltage OH (B Port to A Port) V Output LOW Voltage OL (B Port to A Port) 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 ...

Page 5

... IDT74LVC4245A CMOS OCTAL BUS TRANSCEIVER AND 3. SHIFTER SWITCHING CHARACTERISTICS Symbol Parameter t Propagation Delay PLH PHL t Propagation Delay PLH PHL t Output Enable Time PZL PLZ t Output Enable Time PZL PLZ t Output Disable Time ...

Page 6

... IDT74LVC4245A CMOS OCTAL BUS TRANSCEIVER AND 3. SHIFTER LOAD CIRCUIT AND VOLTAGE WAVEFORMS PARAMETER MEASUREMENT INFORMATION (A PORT) 500Ω From Output Under Test C = 50pF L 500Ω (see Note A) Load Circuit t W Input 1.5V Voltage Waveforms Pulse Duration 1.5V 1.5V Input t PLH 50 ...

Page 7

... IDT74LVC4245A CMOS OCTAL BUS TRANSCEIVER AND 3. SHIFTER LOAD CIRCUIT AND VOLTAGE WAVEFORMS PARAMETER MEASUREMENT INFORMATION (B PORT) 500Ω From Output Under Test C = 50pF L 500Ω (see Note A) Load Circuit t W Input 1.5V Voltage Waveforms Pulse Duration 1.5V 1.5V Input t PLH 1.5V Output Voltage Waveforms Propagation Delay Times ...

Page 8

... IDT74LVC4245A CMOS OCTAL BUS TRANSCEIVER AND 3. SHIFTER ORDERING INFORMATION X IDT XX LVC XXXX Temp. Range Bus-Hold Device Type CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 XX Package SO Small Outline IC (gull wing) PY Shrink Small Outline Package Q Quarter Size Small Outline Package PG Thin Shrink Small Outline Package 4245A Octal Bus Transceiver and 3 ...

Related keywords