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IDT54FCT245_02 Datasheet

  • IDT54FCT245_02

  • FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS

  • 7頁

  • IDT

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IDT54/74FCT245/A/C
FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
FAST CMOS OCTAL
BIDIRECTIONAL
TRANSCEIVER
FEATURES:
DESCRIPTION:
IDT54/74FCT245/A/C
鈥?/div>
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IDT54FCT245 equivalent to FAST鈩?speed and drive
IDT54/74FCT245A 25% faster than FAST
IDT74FCT245C 40% faster than FAST
TTL input and output compatible
CMOS output level compatible
I
OL
= 64mA (commercial) and 48mA (military)
Current levels only 5碌A(chǔ) max.
碌
CMOS power levels (2.5mW typ. static)
Direction control and overriding 3-state control
MIlitary product compliant to MIL-STD-883, Class B
Meets or exceeds JEDEC Standard 18 specifications
Available in the following packages:
鈥?Commercial: SOIC
鈥?Military: CERDIP, LCC
The IDT octal bidirectional transceivers are built using an advanced dual
metal CMOS technology. The FCT245 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 transceiver.
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.
The FCT245 transceivers have non-inverting outputs.
FUNCTIONAL BLOCK DIAGRAM
T/R
1
19
OE
A
0
2
18
3
B
0
A
1
17
B
1
A
2
4
16
B
2
A
3
5
15
B
3
6
A
4
14
B
4
A
5
7
13
8
12
B
5
A
6
B
6
A
7
9
11
B
7
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
1
JUNE 2002
DSC-5421/1
漏 2002 Integrated Device Technology, Inc.

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