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CY7C1360C-166AXC 参数 Datasheet PDF下载

CY7C1360C-166AXC图片预览
型号: CY7C1360C-166AXC
PDF下载: 下载PDF文件 查看货源
内容描述: 9兆位( 256K ×36 / 512K ×18 )流水线式SRAM [9-Mbit (256K x 36/512K x 18) Pipelined SRAM]
分类和应用: 静态存储器
文件页数/大小: 31 页 / 420 K
品牌: CYPRESS [ CYPRESS SEMICONDUCTOR ]
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PRELIMINARY
CY7C1360C
CY7C1362C
9-Mbit (256K x 36/512K x 18) Pipelined SRAM
Features
Supports bus operation up to 250 MHz
Available speed grades are 250, 200, and 166 MHz
Registered inputs and outputs for pipelined operation
3.3V core power supply
2.5V/3.3V I/O operation
Fast clock-to-output times
— 2.8 ns (for 250-MHz device)
— 3.0 ns (for 200-MHz device)
— 3.5 ns (for 166-MHz device)
Provide high-performance 3-1-1-1 access rate
User-selectable burst counter supporting Intel
®
Pentium
®
interleaved or linear burst sequences
Separate processor and controller address strobes
Synchronous self-timed writes
Asynchronous output enable
Single Cycle Chip Deselect
Offered in Lead-Free 100-pin TQFP, 119-ball BGA and
165-Ball fBGA packages
TQFP Available with 3-Chip Enable and 2-Chip Enable
IEEE 1149.1 JTAG-Compatible Boundary Scan
“ZZ” Sleep Mode Option
Functional Description
[1]
The CY7C1360C/CY7C1362C SRAM integrates 262,144 x 36
and 524,288 x 18 SRAM cells with advanced synchronous
peripheral circuitry and a two-bit counter for internal burst
operation. All synchronous inputs are gated by registers
controlled by a positive-edge-triggered Clock Input (CLK). The
synchronous inputs include all addresses, all data inputs,
address-pipelining Chip Enable (CE
1
), depth-expansion Chip
Enables (CE
2
and CE
3[2]
), Burst Control inputs (ADSC, ADSP,
and ADV), Write Enables (BW
X
, and BWE), and Global Write
(GW). Asynchronous inputs include the Output Enable (OE)
and the ZZ pin.
Addresses and chip enables are registered at rising edge of
clock when either Address Strobe Processor (ADSP) or
Address Strobe Controller (ADSC) are active. Subsequent
burst addresses can be internally generated as controlled by
the Advance pin (ADV).
Address, data inputs, and write controls are registered on-chip
to initiate a self-timed Write cycle.This part supports Byte Write
operations (see Pin Descriptions and Truth Table for further
details). Write cycles can be one to two or four bytes wide as
controlled by the Byte Write control inputs. GW when active
LOW causes all bytes to be written.
The CY7C1360C/CY7C1362C operates from a +3.3V core
power supply while all outputs may operate with either a +2.5
or +3.3V supply. All inputs and outputs are JEDEC-standard
JESD8-5-compatible.
Logic Block Diagram – CY7C1360C (256K x 36)
A0, A1, A
ADDRESS
REGISTER
2
A
[1:0]
MODE
ADV
CLK
Q1
ADSC
ADSP
BW
D
DQ
D ,
DQP
D
BYTE
WRITE REGISTER
DQ
C ,
DQP
C
BYTE
WRITE REGISTER
DQ
B ,
DQP
B
BYTE
WRITE REGISTER
DQ
A ,
DQP
A
BYTE
WRITE REGISTER
BURST
COUNTER
CLR
AND
Q0
LOGIC
DQ
D
,DQP
D
BYTE
WRITE DRIVER
DQ
C ,
DQP
C
BYTE
WRITE DRIVER
DQ
B ,
DQP
B
BYTE
WRITE DRIVER
DQ
A ,
DQP
A
BYTE
WRITE DRIVER
BW
C
MEMORY
ARRAY
SENSE
AMPS
OUTPUT
REGISTERS
OUTPUT
BUFFERS
E
BW
B
DQs
DQP
A
DQP
B
DQP
C
DQP
D
BW
A
BWE
GW
CE
1
CE
2
CE
3
OE
ENABLE
REGISTER
PIPELINED
ENABLE
INPUT
REGISTERS
ZZ
SLEEP
CONTROL
Notes:
1. For best-practices recommendations, please refer to the Cypress application note
System Design Guidelines
on www.cypress.com.
2. CE
3
is for A version of TQFP (3 Chip Enable option) and 165 fBGA package only. 119 BGA is offered only in 2 Chip Enable.
Cypress Semiconductor Corporation
Document #: 38-05540 Rev. *C
3901 North First Street
San Jose
,
CA 95134
408-943-2600
Revised February 23, 2005