CGS2535TV National Semiconductor, CGS2535TV Datasheet

IC CLOCK DVR IND QUAD 1-4 28PLCC

CGS2535TV

Manufacturer Part Number
CGS2535TV
Description
IC CLOCK DVR IND QUAD 1-4 28PLCC
Manufacturer
National Semiconductor
Type
Fanout Buffer (Distribution)r
Datasheet

Specifications of CGS2535TV

Number Of Circuits
1
Ratio - Input:output
4:16
Differential - Input:output
No/No
Input
CMOS
Output
CMOS
Frequency - Max
125MHz
Voltage - Supply
3 V ~ 5.25 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-PLCC
Frequency-max
125MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*CGS2535TV

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© 2004 National Semiconductor Corporation
Ordering Information
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the order number.
CGS2535V/CGS2535TV
Commercial Quad 1 to 4 Clock Drivers/Industrial Quad
1 to 4 Clock Drivers
General Description
These Clock Generation and Support clock drivers are spe-
cifically designed for driving memory arrays requiring large
fanouts while operating at high speeds.
The CGS2535 is a non-inverting 4 to 16 driver with CMOS
I/O structures. The CGS2535 specification guarantees part-
to-part skew variation.
Features
n Guaranteed:
Connection Diagrams
Truth Table
Order Number
CGS2535V
CGS2535TV
— 1.0 ns rise and fall times while driving 12 inches of
50Ω microstrip terminated with 25 pF
Pin Assignment for 28-Pin PLCC
In (0–3)
Input
Package Number
V28A
ABCD Out (0–3)
Output
DS011954
Package Description
28-Lead Molded Plastic Leaded Chip Carrier
01195405
n 650 ps part-to-part variation on positive or negative
n Operates with either 3.3V or 5.0V supply
n Inputs 5V tolerant with V
n Symmetric output current drive: 24 mA I
n Industrial temperature range −40˚C to +85˚C
n Symmetric package orientation
n Large fanout for memory driving applications
n Guaranteed 2 kV ESD protection
n Implemented on National’s ABT family process
n 28-pin PLCC for optimum skew performance
transition
— 350 ps pin-to-pin skew (t
@
5V V
CC
CGS2535
CC
OSLH
in 3.3V range
and t
OSHL
OH
01195402
February 2004
/I
)
www.national.com
OL

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CGS2535TV Summary of contents

Page 1

... Ordering Information Order Number Package Number CGS2535V V28A CGS2535TV Device also available in Tape and Reel. Specify by appending suffix letter “X” to the order number. Connection Diagrams Pin Assignment for 28-Pin PLCC Truth Table Input Output In (0– ...

Page 2

Absolute Maximum Ratings Supply Voltage ( Input Voltage ( Input Current Current Applied to Output (High/Low) Operating Temp. Industrial grade Comm. grade Storage Temperature Range Airflow 0 LFM 225 LFM 500 LFM 900 LFM DC Electrical ...

Page 3

AC Electrical Characteristics Over recommended operating free air temperature specified. All typical values are measured at V Symbol Parameter f Frequency Maximum max t Low-to-High Propagation Delay PLH MHz (Note 13 High-to-Low Propagation ...

Page 4

AC Electrical Characteristics Note 6: The input waveform has a rise and fall time transition time of 2.5 ns (10% to 90%). Note 7: Industrial range (−40˚C to +85˚C) limits apply to the commercial temperature range (0˚C to +70˚C). Note ...

Page 5

CGS2534/35/36/37 MEMORY ARRAY DRIVING In order to minimize the total load on the address bus, quite often memory arrays are driven by buffers while having the inputs of the buffers tied together. Although this practice was feasible in the conventional ...

Page 6

Part Numbering Information www.national.com 6 01195411 ...

Page 7

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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