參數(shù)資料
型號: CY62138EV30LL-45BVXI
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 2-Mbit (256K x 8) MoBL㈢ Static RAM
中文描述: 256K X 8 STANDARD SRAM, 45 ns, PBGA48
封裝: 6 X 8 MM, 1 MM HEIGHT, LEAD FREE, VFBGA-48
文件頁數(shù): 1/9頁
文件大?。?/td> 427K
代理商: CY62138EV30LL-45BVXI
2-Mbit (256K x 8) MoBL
Static RAM
CY62138EV30
MoBL
Cypress Semiconductor Corporation
Document #: 38-05577 Rev. *A
198 Champion Court
San Jose
,
CA 95134-1709
408-943-2600
Revised February 14, 2006
Features
Very high speed: 45 ns
— Wide voltage range: 2.20V – 3.60V
Pin-compatible with CY62138CV30
Ultra-low standby power
Typical standby current: 1
μ
A
Maximum standby current: 7
μ
A
Ultra-low active power
— Typical active current: 2 mA @ f = 1 MHz
Easy memory expansion with CE
and OE features
Automatic power-down when deselected
CMOS for optimum speed/power
Offered in Pb-free 36-ball BGA package
Functional Description
[1]
The CY62138EV30 is a high-performance CMOS static RAM
organized as 256K words by 8 bits. This device features
advanced circuit design to provide ultra-low active current.
This is ideal for providing More Battery Life (MoBL
) in
portable applications such as cellular telephones. The device
also has an automatic power-down feature that significantly
reduces power consumption. The device can be put into
standby mode reducing power consumption when deselected
(CE HIGH).
Writing to the device is accomplished by taking Chip Enable
(CE) and Write Enable (WE) inputs LOW. Data on the eight I/O
pins (I/O
0
through I/O
7
) is then written into the location
specified on the address pins (A
0
through A
18
).
Reading from the device is accomplished by taking Chip
Enable (CE) and Output Enable (OE) LOW while forcing Write
Enable (WE) HIGH. Under these conditions, the contents of
the memory location specified by the address pins will appear
on the I/O pins.
The eight input/output pins (I/O
0
through I/O
7
) are placed in a
high-impedance state when the device is deselected (CE
HIGH), the outputs are disabled (OE HIGH), or during a write
operation (CE LOW and WE LOW).
Note:
1. For best practice recommendations, please refer to the Cypress application note “System Design Guidelines” on http://www.cypress.com.
Logic Block Diagram
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
A
11
COLUMN
R
S
Data in Drivers
POWER
DOWN
WE
OE
I/O
0
I/O
1
I/O
2
I/O
3
ARRAY
I/O
7
I/O
6
I/O
5
I/O
4
A
0
A
1
CE
A
1
A
1
A
1
A
1
A
1
[+] Feedback
相關(guān)PDF資料
PDF描述
CY62138FV30 2-Mbit (256K x 8) Static RAM
CY62138FV30LL-45BVXI 2-Mbit (256K x 8) Static RAM
CY62138FV30LL-45SXI 2-Mbit (256K x 8) Static RAM
CY62138FV30LL-45ZAXI 2-Mbit (256K x 8) Static RAM
CY62138FV30LL-45ZSXI 2-Mbit (256K x 8) Static RAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY62138EV30LL-45BVXI_12 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:2-Mbit (256 K ?? 8) MoBL Static RAM
CY62138EV30LL-45BVXIT 功能描述:靜態(tài)隨機(jī)存取存儲器 SLO 3.0V SUPER LO PWR 256KX8 靜態(tài)隨機(jī)存取存儲器 IND RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時(shí)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
CY62138F 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:2-Mbit (256K x 8) Static RAM
CY62138F_09 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:2-Mbit (256K x 8) Static RAM
CY62138F_10 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:2-Mbit (256K x 8) Static RAM