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CY7C421 FIFO

CY7C421 FIFO Series Datasheet

The CYPRESS SEMICONDUCTOR CY7C421 is a first-in first-out (FIFO) memory offered in 300-mil wide SOJ, TQFP & PLCC packages and it is 512 words by 9 bits wide. Each FIFO memory is organized such that the data is read in the same sequential order that it was written. Full and empty flags are provided to prevent overflow and underflow. Three additional pins are also provided to facilitate unlimited expansion in width, depth, or both. The depth expansion technique steers the control signals from one device to another in parallel.


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CY7C421-10AC CY7C421-10JC CY7C421-10JXC CY7C421-10VC
CY7C421-15AC CY7C421-15AXC CY7C421-15JC CY7C421-15JCT
CY7C421-15JI CY7C421-15PC CY7C421-18JI CY7C421-20AC
CY7C421-20DC CY7C421-20JC CY7C421-20JI CY7C421-20JXC
CY7C421-20JXCT CY7C421-20JXI CY7C421-20PC CY7C421-20VC
CY7C421-20VXC CY7C421-250DMB CY7C421-25AC CY7C421-25DC
CY7C421-25DMB CY7C421-25JC CY7C421-25JCT CY7C421-25JI
CY7C421-25LMB CY7C421-25PC CY7C421-25PI CY7C421-25VC
CY7C421-25VCT CY7C421-30AC CY7C421-30BMD CY7C421-30DC
CY7C421-30DI CY7C421-30DMB CY7C421-30JC CY7C421-30JCT
CY7C421-30JI CY7C421-30KMB CY7C421-30LMB CY7C421-30PC
CY7C421-30VC CY7C421-40DC CY7C421-40DMB CY7C421-40J1
CY7C421-40JC CY7C421-40JCT CY7C421-40JI CY7C421-40JIT
CY7C421-40LMB CY7C421-40PC CY7C421-40VC CY7C421-40VCT
CY7C421-40VI CY7C421-50DMB CY7C421-65AC CY7C421-65D1
CY7C421-65DC CY7C421-65DI CY7C421-65DMB CY7C421-65JC
CY7C421-65JCT CY7C421-65JI CY7C421-65PC CY7C421-65PI
CY7C421-65VC
CY7C421 FIFO Package Types
family combined
Plastic Quad J-leaded Chip Carrier (PQCC)
family combined
Plastic Quad Flat-Pack (PQFP)
family combined
Small-Outline Package (SOP)
family combined
Ceramic Dual Inline Package (CDIP)
family combined
Ceramic Leadless Chip Carrier (CQCC)
family combined
Plastic Dual-In-Line Package (PDIP)
CY7C421 FIFO Series Part Photos
additional photos
Additional Images ( 3 )

CY7C421 FIFO


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Ordering Information
Select from our Available Inventory for an Immediate Price Quote
CY7C421-10AC CY7C421-10JC CY7C421-10JXC CY7C421-10VC
CY7C421-15AC CY7C421-15AXC CY7C421-15JC CY7C421-15JCT
CY7C421-15JI CY7C421-15PC CY7C421-18JI CY7C421-20AC
CY7C421-20DC CY7C421-20JC CY7C421-20JI CY7C421-20JXC
CY7C421-20JXCT CY7C421-20JXI CY7C421-20PC CY7C421-20VC
CY7C421-20VXC CY7C421-250DMB CY7C421-25AC CY7C421-25DC
CY7C421-25DMB CY7C421-25JC CY7C421-25JCT CY7C421-25JI
CY7C421-25LMB CY7C421-25PC CY7C421-25PI CY7C421-25VC
CY7C421-25VCT CY7C421-30AC CY7C421-30BMD CY7C421-30DC
CY7C421-30DI CY7C421-30DMB CY7C421-30JC CY7C421-30JCT
CY7C421-30JI CY7C421-30KMB CY7C421-30LMB CY7C421-30PC
CY7C421-30VC CY7C421-40DC CY7C421-40DMB CY7C421-40J1
CY7C421-40JC CY7C421-40JCT CY7C421-40JI CY7C421-40JIT
CY7C421-40LMB CY7C421-40PC CY7C421-40VC CY7C421-40VCT
CY7C421-40VI CY7C421-50DMB CY7C421-65AC CY7C421-65D1
CY7C421-65DC CY7C421-65DI CY7C421-65DMB CY7C421-65JC
CY7C421-65JCT CY7C421-65JI CY7C421-65PC CY7C421-65PI
CY7C421-65VC

CY7C421 FIFO


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Marking Information

CY7C421 FIFO


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CY7C421 FIFO Part Photos
additional photos
CY7C421 FIFO
additional photos
CY7C421 FIFO
additional photos
CY7C421 FIFO

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