Contents
176TQFP 172FBGA
Functional Description
Product Selection Guide Density Mbit 32K x 64K x 128K x
Cypress Semiconductor Corporation 198 Champion Court
RAM Array
Logic Block Diagram
True
Mirror Reg
Pin Configurations
Ball BGA Top View
CY7C0853AV
CY7C0850AV CY7C0851AV CY7C0852AV
Pin Definitions
Master Reset
Mailbox Interrupts
Operation Description
Address Counter and Mask Register Operations
Retransmit
Mask Reset Operation
Counter Interrupt
Mask Load Operation
Cnten ADS Cntrst Mrst
CLK
Programmable Counter-Mask Register Operation 1
Performing a TAP Reset
Ieee 1149.1 Serial Boundary Scan Jtag
Operating Range
Electrical Characteristics
Maximum Ratings
Capacitance
Switching Characteristics
Normal Load Load Three-state Delay Load
Port to Port Delays
Master Reset Timing
Jtag Timing
Parameter Description 167/133/100 Unit Min
Switching Waveforms
Master Reset
Bank Select Read 26
Read-to-Write-to-Read OE Controlled 25, 28, 30
Write with Address Counter Advance
Disabled-to-Write-to-Read-to-Write-to-Read
Read-to-Readback-to-Read-to-Read R/W = High
Counter Reset 32
Readback State of Address Counter or Mask Register35, 36, 37
LeftPort LPort Write to RightPort RPort Read39, 40
Counter Interrupt and Retransmit 34, 42, 43, 44
CLK
128K × 36 4M 3.3V Synchronous CY7C0852AV Dual-Port Sram
Ordering Information
256K × 36 9M 3.3V Synchronous CY7C0853AV Dual-Port Sram
64K × 36 2M 3.3V Synchronous CY7C0851AV Dual-Port Sram
Package Diagrams
Ball Fbga 15 x 15 x 1.25 mm
Pin Thin Quad Flat Pack 24 × 24 × 1.4 mm
Document History
Submis Orig. Description of Change Sion Date
Sales, Solutions, and Legal Information
Worldwide Sales and Design Support Products PSoC Solutions
USB