參數(shù)資料
型號(hào): 8R512SEA0202C25
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: SRAM
英文描述: 64K X 8 MULTI DEVICE SRAM CARD, 250 ns, UUC68
封裝: CARD-68
文件頁(yè)數(shù): 4/11頁(yè)
文件大?。?/td> 316K
代理商: 8R512SEA0202C25
2
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
SEA01-SEA04
February 2007
Rev. 4
BLOCK DIAGRAM
512KB SRAM Card Shown
+
decoder
and
control
logic
[A0..A18]
CS#
[DO..D7]
Write Prot
Switch
S1
WP
Vcc
ATTRIBUTE
MEMORY
optional
CE1#
CE2#
WE#
OE#
REG#
++ +
CS#-A
RD#
WR#
CTRL
A0
Power Management
and
Battery Control
Lithium Bat.
to internal
power
supply
Vcc
BVD1
BVD2
GND
VS1
VS2
[DO..D7]
I/O BUFFER
SRAM
512K x 8
[A1..A11]
NC
+
2. pull up resistor (min 10k)
Notes:
1. pull down resistor (min 100k)
+
ADDREsS BUS
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