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參數資料
| 型號： | 8P008SRV3104I15 |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | SRAM |
| 英文描述： | 4M X 16 MULTI DEVICE SRAM CARD, 150 ns, XMA68 |
| 封裝： | CARD2-68 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 120K |
| 代理商： | 8P008SRV3104I15 |
January 2002 Rev. 0 - ECO #xxxx
1
PCMCIA SRAM Memory Card
SRV30 Series
PC Card Products
Features
High Performance SRAM memory Card
Universal 3.3 to 5 Volt Supply allows for wider
compatibility between systems.
Fast Access times: 150ns @ 3.3V – 5V
x8/x16 PCMCIA standard interface
Low Power CMOS technology provides very low
power and reliable data retention characteristics
- standby current < 100μA typical
Rechargeable Lithium battery with recharge circuitry
- eliminates the need for replaceable batteries
- standby current during recharge typically < 2mA
- battery backup time
18 months - type I card
40 months - type II card
typical based on 4MB
Unlimited write cycles, no endurance issues
Optional Features:
2KB EEPROM attribute memory containing CIS
Optional Hardware Write Protect switch
PC Card Standard Type I or Type II Form Factor
The WEDC SRAM Series (SRV30) memory cards
offer a high performance nonvolatile storage solution
for code and data storage, disk caching, and write
intensive mobile and embedded applications.
Packaged in PCMCIA type I or type II housing (type
II for cards with extended battery backup time), the
WEDC SRAM SRV30 series is based on high
density and super low power SRAM
devices, providing densities from 2MBytes to
16MBytes.
memory
The SRV30 series of SRAM memory cards has a
universal wide power supply (3V to 5V) and operates
at speeds as high as 150ns. The cards are based on
advanced CMOS technology providing very low
power and reliable data retention characteristics.
WEDC’s SRAM cards contain a rechargeable
lithium battery and recharge circuitry, eliminating the
need for replaceable batteries found in many SRAM
cards.
WEDC’s standard cards are shipped with WEDC’s
SRAM Logo. Cards are also available with blank
housings (no Logo). The blank housings are available
in both a recessed (for label) and flat housing. Please
contact WEDC sales representative for further
information on Custom artwork.
Block Diagram
SRAM Memory Card 2MB through 16MB
General Description
16MB SRAM Card Shown
+
decoder
and
logic
control
Address
buffer
[A1..A21]
/CSLi
/CSHi
/CSHi
[DO..D7]
[D8..D15]
Write Prot
S1
WP
Vcc
[A22..A23]
ATTRIBUTE
MEMORY
CA0
+ + +
/CS-A
/RD
/CTRL
//RD
/WR
/RD
CTRL
Power Management
Lithium Battery
to internal
Vcc
BVD1
GND
VS1
VS2
[D8..D15]
[DO..D7]
I/O BUFFER
SRAM
2M x 8
[A1..A11]
GND
NC
+
2. pull up resistor (min 10k)
Notes: 1. pull down resistor (min 100k)
+
+
SRAM
2M x 8
SRAM
2M x 8
SRAM
2M x 8
SRAM
2M x 8
SRAM
2M x 8
SRAM
2M x 8
SRAM
2M x 8
+
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