Interface Logic Circuit address data buses, particularly interfac

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Interface Logic Circuit address data buses, particularly interfac

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CY7C964
Interface Logic Circuit
address data buses, particularly interfaces. chip drivers suit functions Block counters, counters implied portion VMEbus specification. also contains necessary multiplexing logic allow wide VMEbus path nelled from local bus. Control circuitry included manage switching address during normal bit) operations, during
Comparators, counters, latches, drivers minimize logic requirements variety multiplexed multiplexed buses
able driving VMEbus directly. CY7C964 ideal applications where high performance real estate mary concerns.
Directly drives VMEbus address data signals comparator slave address decoding Flexible interface optimized VMEbus applications Companion device Cypress VMEbus family components Replaces multiple SSI/MSI components Cascadable packages VIC64/7C964 Design Notes more information
Although having many applications, Interface Logic Circuit ideal panion part Cypress's VMEbus family components, VIC068A, VIC64, CY7C960, CY7C961. intended drive address data buses, three four these small devices needed controller. every case, control lers provide control timing signals Interface Logic Circuit acts bridge between VMEbus Local bus.
MBLT bit) operations. chip drivers capable driving VMEbus directly mA).
Other VMEbus Controller Implementations
CY7C964 circuitry designed designers VMEbus circuitry, cluding (VME subsystem bus) designs requiring features Cypress VIC068A, VIC64, CY7C960, CY7C961. logic diagram includes
Application with VMEbus Architecture
with Cypress VMEbus Controllers
CY7C964 Interface Logic Circuit seamless interface between
general purpose blocks comparators,
Functional Description
CY7C964 integrates several space consuming functions into small pack age, freeing board space imple mentation added value board features. contains counters, comparators, latches, drivers configured value plementors backplane interface with
counters,
latches
that
trolled using flexible control interface allow many different options plemented. Although device pack aged small package, multiplexed input output pins provides access many internal functions, thus saving external circuitry.
VIC068A/VIC64 VMEbus signals. device functions equally well tablished VMEbus arena VMEbus standard. device contains three counters fulfill
Configuration
PQFP/CQFP/TQFP View
STROBE* MWB* LCOUT* VCOMP* VCOUT* LADO LADI LEDI LEDO
DENIN* DENIN1* LAEN LCIN* VCIN* BLT* DENO* ABEN*
Cypress Semiconductor Corporation
3901 North First Street
C964
Jose
95134
408-943-2600
November 1992 Revised April 1995
CY7C964
Configuration (continued)
Ceramic Bottom View
ABEN*
LCIN*
DENIN1*
DENO*
BLT*
VCIN*
LAEN
DENIN*
LEDI
LADO
VCOMP*
LCOUT*
STROBE*
LEDO
LADI
VCOUT*
MWB*
Index Mark
CY7C964
Application with Other Architectures
CY7C964 optimized applications requiring wide buffers high performance multiplexing operations. architecture configured provide functions such bidirectional three state latch comparator with mask register,
Ordering Information
Ordering Code Package Name
more complex functions such pipelined bidirectional multiplexer with address counter/comparator circuitry. device cascaded generate counters comparators suitable multiple byte address/data buses. chip drivers directly connected many standard backplane buses.
Operating Range
CY7C964-AC CY7C964-NC CY7C964-GM CY7C964-GMB CY7C964-UM CY7C964-UMB
Thin Quad Flatpack Plastic Quad Flatpack Ceramic Ceramic Ceramic Quad Flatpack Ceramic Quad Flatpack
Package Type
Commercial Military
Related Documents
VIC64/CY7C964 Design Notes VIC068A/VAC068A User's Guide CY7C690 CY7C961 User's Guide
Document 38-00197-B
CY7C964
Package Diagrams
Thin Quad Flatpack
Grid Array (Cavity
CY7C964
Package Diagrams (continued)
Lead Plastic Thin Quad Flatpack
CY7C964
Package Diagrams (continued)
Lead Cerquad Flatpack (Cavity
Cypress Semiconductor Corporation, 1993. information contained herein subject change without notice.
Cypress Semiconductor Corporation assumes responsibility
circuitry other than circuitry embodied Cypress Semiconductor Corporation product. does convey imply license under patent other rights. Cypress Semicon ductor does authorize products critical components life support systems where malfunction failure product reasonably expected result significant injury user. inclusion Cypress Semiconductor products life support systems applications implies that manufacturer assumes risk such doing indemnifies Cypress Semiconductor against damages.

Interface Logic Circuit address data buses, particularly interfac

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