參數(shù)資料
型號(hào): CY7C057V-12AXC
廠(chǎng)商: CYPRESS SEMICONDUCTOR CORP
元件分類(lèi): SRAM
英文描述: 3.3V 16K/32K x 36 FLEx36™ Asynchronous Dual-Port Static
中文描述: 32K X 36 DUAL-PORT SRAM, 12 ns, PQFP144
封裝: 20 X 20 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, PLASTIC, TQFP-144
文件頁(yè)數(shù): 1/26頁(yè)
文件大小: 713K
代理商: CY7C057V-12AXC
CY7C056V
CY7C057V
3.3 V 16K/32K x 36
FLEx36 Asynchronous Dual-Port Static
RAM
Cypress Semiconductor Corporation
198 Champion Court
San Jose
, CA 95134-1709
408-943-2600
Document #: 38-06055 Rev. *E
Revised March 30, 2011
Features
True dual-ported memory cells that allow simultaneous
access of the same memory location
16K x 36 organization (CY7C056V)
32K x 36 organization (CY7C057V)
0.25-micron Complimentary metal oxide semiconductor
(CMOS) for optimum speed/power
High-speed access: 12/15 ns
Low operating power
Active: ICC = 250 mA (typical)
Standby: ISB3 = 10 A (typical)
Fully asynchronous operation
Automatic power-down
Expandable data bus to 72 bits or more using Master/Slave
Chip Select when using more than one device
On-chip arbitration logic
Semaphores included to permit software handshaking
between ports
INT flag for port-to-port communication
Byte select on left port
Bus matching on right port
Depth expansion via dual chip enables
Pin select for Master or Slave
Commercial and Industrial temperature ranges
Available in 144-Pin Thin quad plastic flatpack (TQFP) or
172-Ball ball grid array (BGA)
Pb-free packages available
Compact packages:
144-Pin TQFP (20 x 20 x 1.4 mm)
172-Ball BGA (1.0-mm pitch) (15 x 15 x.51 mm)
Notes
1. A0–A13 for 16K; A0–A14 for 32K devices.
2. BUSY is an output in Master mode and an input in Slave mode.
R/WL
CE0L
CE1L
OEL
I/O
Control
Address
Decode
BUSYL
CEL
Interrupt
Semaphore
Arbitration
SEML
INTL
M/S
R/WR
CE0R
CE1R
OER
CER
Logic Block Diagram
A0L–A13/14L
True Dual-Ported
RAM Array
BUSYR
SEMR
INTR
Address
Decode
A0R–A13/14R
14/15
Left
Port
Control
Logic
I/O18L–I/O26L
9
I/O27L–I/O35L
9
I/O0L–I/O8L
9
I/O9L–I/O17L
9
Right
Port
Control
Logic
I/O
Control
9
I/OR
9
Bus
Match
9/18/36
BA
BM
SIZE
WA
B0–B3
CY7C056V CY7C057V CY7C037V CY7C038V3.3 V 16K/32K x 36
FLEx36 Asynchronous Dual-Port Static RAM
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