IDT74FCT2245ATQG INTEGRATED DEVICE TECHNOLOGY, IDT74FCT2245ATQG Datasheet

IC, LOGIC, FCT, TRANSCEIVER, QSOP20

IDT74FCT2245ATQG

Manufacturer Part Number
IDT74FCT2245ATQG
Description
IC, LOGIC, FCT, TRANSCEIVER, QSOP20
Manufacturer
INTEGRATED DEVICE TECHNOLOGY
Datasheet
1.IDT74FCT2245ATQG.pdf (7 pages)

Specifications of IDT74FCT2245ATQG

Logic Device Type
Bidirectional
Supply Voltage Range
4.5V To 5.5V
Logic Case Style
QSOIC
No. Of Pins
20
Operating Temperature Range
-40°C To +85°C
Logic Ic Base
RoHS Compliant
Package / Case
QSOP
© 2009 Integrated Device Technology, Inc.
FEATURES:
• A and C grades
• Low input and output leakage ≤ ≤ ≤ ≤ ≤ 1µA (max.)
• CMOS power levels
• True TTL input and output compatibility:
• Meets or exceeds JEDEC standard 18 specifications
• Resistor outputs -15mA I
• Reduced system switching noise
• Available in SOIC and QSOP packages
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
FUNCTIONAL BLOCK DIAGRAM
IDT74FCT2245AT/CT
FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER
– V
– V
OH
OL
= 0.3V (typ.)
= 3.3V (typ.)
OH
, 12mA I
OL
FAST CMOS OCTAL
BIDIRECTIONAL
TRANSCEIVER
T/R
A
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
1
DESCRIPTION:
metal CMOS technology. The FCT2245T is designed for asynchronous
two-way communication between data buses. The transmit/receive (T/R)
input determines the direction of data flow through the bidirectional trans-
ceiver. Transmit (active high) enables data from A ports to B ports, and
receive (active low) from B ports to A ports. The output enable (OE) input,
when high, disables both A and B ports by placing them in high Z condition.
This offers low ground bounce, minimal undershoot and controlled output
fall times- reducing the need for external series terminating resistors. The
FCT2245T parts are plug-in replacements for FCT245T parts.
The IDT octal bidirectional transceivers are built using an advanced dual
The FCT2245T has balanced drive outputs with current limiting resistors.
OE
B
B
B
B
B
B
B
B
0
1
2
3
4
5
6
7
INDUSTRIAL TEMPERATURE RANGE
IDT74FCT2245AT/CT
SEPTEMBER 2009
DSC-5511/7

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IDT74FCT2245ATQG Summary of contents

Page 1

... Resistor outputs -15mA I , 12mA • Reduced system switching noise • Available in SOIC and QSOP packages FUNCTIONAL BLOCK DIAGRAM The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE © 2009 Integrated Device Technology, Inc. FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER DESCRIPTION: The IDT octal bidirectional transceivers are built using an advanced dual metal CMOS technology ...

Page 2

IDT74FCT2245AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER PIN CONFIGURATION ...

Page 3

IDT74FCT2245AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial –40°C to +85° 5.0V ± Symbol Parameter V Input HIGH Level IH V Input LOW ...

Page 4

IDT74FCT2245AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER POWER SUPPLY CHARACTERISTICS Symbol Parameter ΔI Quiescent Power Supply Current CC TTL Inputs HIGH I Dynamic Power Supply CCD (4) Current (6) I Total Power Supply Current C NOTES: 1. For conditions shown as ...

Page 5

IDT74FCT2245AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER SWITCHING CHARACTERISTICS OVER OPERATING RANGE Symbol Parameter t Propagation Delay PLH PHL t Output Enable Time PZH PZL t Output Disable ...

Page 6

IDT74FCT2245AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER TEST CIRCUITS AND WAVEFORMS OUT V IN Pulse D.U.T Generator . R T Test Circuits for All Outputs DATA INPUT t SU TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL ...

Page 7

IDT74FCT2245AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER ORDERING INFORMATION XXXX XX FCT Device Type Temp. Range Datasheet Document History 09/29/09 Pg. 7 Updated the ordering information by removing the "IDT" notation and non RoHS part. CORPORATE HEADQUARTERS 6024 Silver Creek Valley ...

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