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CGS2535VX
Industrial Quad 1 to 4 Clock Driver
CGS2535V/CGS2535TV
Commercial Quad 1 to4 Clock Drivers/Industrial Quad to 4 Clock Drivers
General DescriptionThese Clock Generation and Support clock drivers are spe-
cifically designedfor driving memory arrays requiring large
fanouts while operatingat high speeds.
The CGS2535isa non-inverting4to16 driver with CMOS
I/O structures. The CGS2535 specification guarantees part-
to-part skew variation.
Features Guaranteed:1.0ns rise andfall times while driving12 inchesof
50Ω microstrip terminated with25pF 350ps pin-to-pin skew (tOSLH and tOSHL) 650ps part-to-part variationon positiveor negative
transition@5V VCC Operates with either 3.3Vor 5.0V supply Inputs5V tolerant with VCCin 3.3V range Symmetric output current drive:24 mA IOH/IOL Industrial temperature range −40˚Cto +85˚C Symmetric package orientation Large fanoutfor memory driving applications Guaranteed2kV ESD protection Implementedon National’s ABT family process 28-pin PLCCfor optimum skew performance
Ordering Information
Order Number Package Number Package DescriptionCGS2535V
CGS2535TV
V28A 28-Lead Molded Plastic Leaded Chip Carrier
Device also availablein Tapeand Reel. Specifyby appending suffix letter“X”tothe order number.
Connection Diagrams
Pin Assignmentfor 28-Pin PLCC CGS253501195405 01195402
Truth Table
Input Output (0–3) ABCD Out (0–3)
February 2004
CGS2535V
Commercial
Quad
Clock
Drivers/CGS2535TV
Industrial
Quad
Clock
Drivers
