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IDT74FCT16601AT Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT74FCT16601AT
Description  FAST CMOS 18-BIT UNIVERSAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT74FCT16601AT Datasheet(HTML) 1 Page - Integrated Device Technology

   
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PRODUCT
PREVIEW
Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
AUGUST 1996
©1996 Integrated Device Technology, Inc.
5.9
DSC-3247/-
1
FAST CMOS
18-BIT UNIVERSAL BUS
TRANSCEIVER
WITH 3-STATE OUTPUTS
IDT74FCT16601AT/CT/ET
IDT74FCT162601AT/CT/ET
PRODUCT PREVIEW
bit registered transceivers are built using advanced dual metal
CMOS technology. These high-speed, low-power 18-bit reg-
istered bus transceivers combine D-type latches and D-type
flip-flops to allow data flow in either direction in a transparent,
latched or clocked mode. Each direction has an independent
latch enable, an independent clock with a clock enable, and an
independent output enable. The package is organized with a
flow-through signal pin organization to ease board layout. All
inputs are designed with hysteresis for improved noise mar-
gin.
This transceiver is ideally suited for high speed memory
interfaces which utilize high speed synchronous writes, by
clocking the data into a high speed register. Reads can then
be performed in a transparent or latched mode utilizing the
same transceiver.
The FCT16601AT/CT/ET are ideally suited for driving
high-capacitance loads and low-impedance backplanes. The
output buffers are designed with power off disable capability
to allow "live insertion" of boards when used as backplane
drivers.
The FCT162601AT/CT/ET have balanced output drive
with current limiting resistors. This offers low ground bounce,
minimal undershoot, and controlled output fall times–reducing
the need for external series terminating resistors.
The
FCT162601AT/CT/ET are plug-in replacements for
the
FCT16601AT/CT/ET and ABT16601 for on-board bus inter-
face applications.
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
LEAB
CLKAB
LEBA
CLKBA
CLKENAB
OEAB
A1
TO 17 OTHER CHANNELS
OEBA
CE
1D
C1
CLK
CE
1D
C1
CLK
CLKENBA
1
56
55
2
28
30
29
27
3
54
B1
3247 drw 01
FEATURES:
• Common features:
0.5 MICRON CMOS Technology
High-speed, low-power CMOS replacement for
ABT functions
Typical tSK(o) (Output Skew) < 250ps
Low input and output leakage
≤1µA (max.)
ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
Packages include 25 mil pitch SSOP, 19.6 mil pitch
TSSOP, 15.7 mil pitch TVSOP and 25 mil pitch Cerpack
Extended commercial range of -40
°C to +85°C
–VCC = 5V
±10%
• Features for FCT16601AT/CT/ET:
High drive outputs (-32mA IOH, 64mA IOL)
Power off disable outputs permit “live insertion”
Typical VOLP (Output Ground Bounce) < 1.0V at
VCC = 5V, TA = 25
°C
• Features for FCT162601AT/CT/ET:
Balanced Output Drivers:
±24mA
Reduced system switching noise
Typical VOLP (Output Ground Bounce) < 0.6V at
VCC = 5V,TA = 25
°C
DESCRIPTION:
The FCT16601AT/CT/ET and FCT162601AT/CT/ET 18-
FUNCTIONAL BLOCK DIAGRAM


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