Transcend SRAM CARD with 2K Attribute 2Mb TS2MSRAMA 用户手册
产品代码
TS2MSRAMA
T
T
T
S
S
S
2
2
2
M
M
M
S
S
S
R
R
R
A
A
A
M
M
M
A
A
A
2MB SRAM Card
Transcend Information Inc.
1. TS2MSRAMA-- Block Diagram
D0 - D15
/ R E G
W P
/ W E
/ O E
/CE1,/CE2
A0 - A20
/CD1,/CD2
V C C
/ B V D 1
/ B V D 2
G N D
68 Pins Connector
Data Transceiver
/Buffer
/Buffer
Address Decoder
Bus Controller
V C C
D 0 - D 1 5
D0 - D7
/ W E
/ O E
A0 - A16
S R A M
1 2 8 K x 8
/ C E
D0 - D7
/ W E
/ O E
A0 - A16
S R A M
1 2 8 K x 8
/ C E
/CE0-/CE15
A 0 - A 1 6
8
8
1 7
1 7
Reset
Battery Back-up IC
V b a t 2
V b a t 1
1st Battery
(Replaceable)
2nd Battery
(Rechargeable)
/ O E
/ W E
/ C E