Texas Instruments CY74FCT16827T and CY74FCT162827T Data Sheets
Summary
These high-performance 20-bit buffer/line drivers are engineered for reliable signal integrity on wide data/address buses and transmission lines. Featuring balanced output drivers, power-off disable capability, and reduced system switching noise (<0.6V ground bounce), they ensure stable communication for live board insertion. The accompanying datasheet provides technical specifications, electrical characteristics, and operational guidelines necessary for seamless integration into complex, noise-sensitive systems in industrial temperature ranges. Ideal for hardware designers requiring robust bus buffering solutions.
Page 1 Text Content
1CY74FCT162827T
Data sheet acquired from Cypress Semiconductor Corporation. Data sheet modified to remove devices not offered.
CY74FCT16827T CY74FCT162827T
SCCS064 - August 1994 - Revised March 2000 20-Bit Buffers/Line Drivers
Features CY74FCT162827T Features: Balanced 24 m A output drivers
FCT-E speed at 3.2 ns
Reduced system switching noise
Power-off disable outputs permits live insertion
Typical VOLP (ground bounce) <0.6V at VCC = 5V,
Edge-rate control circuitry for significantly improved TA= 25˚C noise characteristics
Typical output skew < 250 ps Functional Description
ESD > 2000V
The CY74FCT16827T 20-bit buffer/line driver and the
TSSOP (19.6-mil pitch) and SSOP (25-mil pitch)
CY74FCT162827T 20-bit buffer/line driver provide
packages
high-performance bus interface buffering for wide data/address
Industrial temperature range of −40˚C to +85˚C
paths or buses carrying parity. These parts can be used as single
VCC = 5V ± 10% 20-bit buffer or two 10-bit buffers. Each 10-bit buffer has pair of
NANDed OE for increased flexibility. The outputs are designed with
CY74FCT16827T Features:
a power-off disable feature to allow for live insertion of boards.
64 m A sink current, 32 m A source current
The CY74FCT16827T is ideally suited for driving
Typical VOLP (ground bounce) <1.0V at VCC = 5V,
high-capacitance loads and low-impedance backplanes.
TA = 25˚C
The CY74FCT162827T has 24-m A balanced output drivers with current-limiting resistors in the outputs. This reduces the need for external terminating resistors and provides for minimal undershoot and reduced ground bounce. The CY74FCT162827T is ideal for driving transmission lines.
Logic Block Diagrams Pin Configuration
SSOP/TSSOP Top View
1OE1 1OE2
1Y1 1A1 1Y2 1A2 GND GND
VCC VCC 1Y5 1A5 1Y6 1A6 1Y7 1A7 GND GND
TO OTHER CHANNELS FCT16827-1
2OE1 2Y1 2A1
2OE2 2Y2 2A2
2Y3 2A3 GND GND
VCC VCC 2Y7 2A7 2Y8 2A8 GND GND
FCT16827-2
TO OTHER CHANNELS 2Y9 2A9 2Y10 2A10
2OE1 2OE2
FCT16827-3
Copyright © 2000, Texas Instruments Incorporated
Page Summary Contents For Texas Instruments CY74FCT16827T and CY74FCT162827T Data Sheets
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 7 |
| File Size | 62.73 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What is the industrial temperature range?
The operating range is -40°C to +85°C.
Are these parts suitable for signal transmission lines?
Yes, the CY74FCT162827T is ideal for driving transmission lines and high-capacitance loads.
How does it minimize ground bounce and undershoot?
It features 24-mA balanced output drivers with current-limiting resistors to reduce ground bounce and minimal undershoot.
Does the device have a power-off feature for board insertion?
Yes, both parts have a power-off disable feature that allows for live insertion of boards.