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參數(shù)資料
| 型號： | CY7C1464AV25 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM) |
| 中文描述： | 36兆位（1米x 36/2M x 18/512K × 72）流水線的SRAM架構(gòu)的總線延遲（帶總線延遲結(jié)構(gòu)的36兆位（1米x 36/2M x 18/512K × 72）流水線的SRAM） |
| 文件頁數(shù)： | 1/27頁 |
| 文件大?。?/td> | 465K |
| 代理商： | CY7C1464AV25 |
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36-Mbit (1M x 36/2M x 18/512K x 72)
Pipelined SRAM with NoBL Architecture
CY7C1460AV25
CY7C1462AV25
CY7C1464AV25
Cypress Semiconductor Corporation
Document #: 38-05354 Rev. *D
198 Champion Court
San Jose
,
CA 95134-1709
408-943-2600
Revised June 22, 2006
Features
Pin-compatible and functionally equivalent to ZBT
Supports 250-MHz bus operations with zero wait states
— Available speed grades are 250, 200 and 167 MHz
Internally self-timed output buffer control to eliminate
the need to use asynchronous OE
Fully registered (inputs and outputs) for pipelined
operation
Byte Write capability
2.5V core power supply
2.5V/1.8V I/O power supply
Fast clock-to-output times
— 2.6 ns (for 250-MHz device)
Clock Enable (CEN) pin to suspend operation
Synchronous self-timed writes
CY7C1460AV25, CY7C1462AV25 available in
JEDEC-standard lead-free 100-pin TQFP package,
lead-free and non-lead-free 165-ball FBGA package.
CY7C1464AV25 available in lead-free and non-lead-free
209-ball FBGA package
IEEE 1149.1 JTAG-Compatible Boundary Scan
Burst capability—linear or interleaved burst order
“ZZ” Sleep Mode option and Stop Clock option
Functional Description
The CY7C1460AV25/CY7C1462AV25/CY7C1464AV25 are
2.5V, 1M x 36/2M x 18/512 x 72 Synchronous pipelined burst
SRAMs with No Bus Latency (NoBL
)
logic, respectively.
They are designed to support unlimited true back-to-back
Read/Write
operations
with
CY7C1460AV25/CY7C1462AV25/CY7C1464AV25
equipped with the advanced (NoBL) logic required to enable
consecutive Read/Write operations with data being trans-
ferred on every clock cycle. This feature dramatically improves
the throughput of data in systems that require frequent
Write/Read
transitions.
CY7C1460AV25/CY7C1462AV25/CY7C1464AV25
pin-compatible and functionally equivalent to ZBT devices.
All synchronous inputs pass through input registers controlled
by the rising edge of the clock. All data outputs pass through
output registers controlled by the rising edge of the clock. The
clock input is qualified by the Clock Enable (CEN) signal,
which when deasserted suspends operation and extends the
previous clock cycle. Write operations are controlled by the
Byte Write Selects (BW
a
–BW
h
for CY7C1464AV25,
BW
a
–BW
d
for
CY7C1460AV25
CY7C1462AV25) and a Write Enable (WE) input. All writes are
conducted with on-chip synchronous self-timed write circuitry.
Three synchronous Chip Enables (CE
1
, CE
2
, CE
3
) and an
asynchronous Output Enable (OE) provide for easy bank
selection and output three-state control. In order to avoid bus
contention, the output drivers are synchronously three-stated
during the data portion of a write sequence.
no
wait
states.
The
are
The
are
and
BW
a
–BW
b
for
A0, A1, A
C
MODE
BW
a
BW
b
BW
c
BW
d
WE
CE1
CE2
CE3
OE
READ LOGIC
DQs
DQP
a
DQP
b
DQP
c
DQP
d
D
A
T
A
S
T
E
E
R
I
N
G
O
U
T
P
U
T
B
U
F
F
E
R
S
ARRAY
E
E
INPUT
REGISTER 0
ADDRESS
REGISTER 0
WRITE ADDRESS
REGISTER 1
WRITE ADDRESS
REGISTER 2
WRITE REGISTRY
AND DATA COHERENCY
CONTROL LOGIC
BURST
LOGIC
A0'
A1'
D1
D0
Q1
Q0
A0
A1
C
ADV/LD
ADV/LD
E
INPUT
REGISTER 1
S
E
N
S
E
A
M
P
S
E
CLK
CEN
WRITE
DRIVERS
ZZ
SLEEP
CONTROL
O
U
T
P
U
T
R
E
G
I
S
T
E
R
S
Logic Block Diagram–CY7C1460AV25 (1M x 36)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY7C1462AV25 | 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM) |
| CY7C1460AV33 | 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM) |
| CY7C1464AV33 | 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM) |
| CY7C1462AV33 | 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM) |
| CY7C1472V33-167AXI | 72-Mbit (2M x 36/4M x 18/1M x 72) Pipelined SRAM with NoBL Architecture |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C1464AV25-167BGC | 功能描述:靜態(tài)隨機(jī)存取存儲器 512kx72 36M NoBL PL 靜態(tài)隨機(jī)存取存儲器 COM RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| CY7C1464AV25-167BGCES | 制造商:Cypress Semiconductor 功能描述:36MB NOBL 512KB X 72 PIPELINE 2.5V - Bulk |
| CY7C1464AV25-200BGC | 制造商:Cypress Semiconductor 功能描述:SRAM SYNC OCTAL 2.5V 36MBIT 512KX72 3.2NS 209FBGA - Bulk |
| CY7C1464AV33-167BGI | 功能描述:靜態(tài)隨機(jī)存取存儲器 512Kx72 3.3V NoBL PL 靜態(tài)隨機(jī)存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| CY7C146-55JC | 制造商:Cypress Semiconductor 功能描述:SRAM Chip Async Dual 5V 16K-Bit 2K x 8 55ns 52-Pin PLCC 制造商:Cypress Semiconductor 功能描述:2K X 8 DUAL-PORT SRAM, 55 ns, PQCC52 |
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