IDT74FCT645T Datasheet, PDF (1/6 Pages) Integrated Device Technology – FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER

IDT74FCT645T/AT/CT/DT
FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER
FAST CMOS OCTAL
BIDIRECTIONAL
TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
IDT74FCT645T/AT/CT/DT
FEATURES:
− Low input and output leakage ≤1µ A (max.)
− CMOS power levels
− True TTL input and output compatibility
• VOH = 3.3V (typ.)
• VOL = 0.3V (typ.)
− Meets or exceeds JEDEC standard 18 specifications
− Available in SOIC, and SSOP packages
− Std., A, C and D speed grades
− High drive outputs (-15mA IOH, 64mA IOL)
DESCRIPTION:
The IDT octal bidirectional transceivers are built using an advanced dual
metal CMOS technology. The FCT645T 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.
FUNCTIONAL BLOCK DIAGRAM
T/R
OE
A0
B0
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
INDUSTRIAL TEMPERATURE RANGE
1
c 1999 Integrated Device Technology, Inc.
AUGUST 2000
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