Transcend TS2MSRAMA Datasheet

Transcend
Brand
Transcend
Model
TS2MSRAMA
Category
Memory cards
Type
Datasheet
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.

Description
The TS2MSRAMA is a 2MB PCMCIA SRAM memory IC
card with 16pcs of 128Kx8 static RAM and one piece of
2Kx8 EEPROM assembled on the printed circuit board.
The SRAM card is compatible with PCMCIA release 2.0.
Placement
SRAM CARD
2
MB
A
D
D
E
FG
E E
C
ProtectedLock
1
2
3
Write-Protect Switch
Battery Lock Switch
Battery Stand
1
2
3
B
Features
•
Compatible with PCMCIA Rel. 2.0 SRAM Card.
•
Main Memory : 2048K words x 8 bit or
1024K words x 16 bit.
•
Attribute Memory : 2Kx8 EEPROM.
•
Supply Voltage :
Single Power Supply : 5V +
10%
•
Memory Backup Voltage :
Main Battery : CR2025 Replaceable battery
for data retention.
Sub-Battery : Installed battery for data retention
while changing the main battery.
(It can not be replaced.)
•
Connector Durability : Testing to 10000 cycles.
•
Recommended operating temperature : 0 - 70 C.
Dimensions
Side Millimeters Inches
A 85.60 + 0.200 3.37 + 0.008
B 54.00 + 0.100 2.126 + 0.004
C 3.30 + 0.050 0.130 + 0.002
D 11.00 + 0.300 0.433 + 0.012
E 1.00 + 0.050 0.039 + 0.002
F 2.45 + 0.050 0.097 + 0.002
G 0.85 + 0.050 0.034 + 0.002
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
/REG
WP
/WE
/OE
/CE1,/CE2
A0 - A20
/CD1,/CD2
VCC
/BVD1
/BVD2
GND
68 Pins Connector
Data Transceiver
/Buffer
Address Decoder
Bus Controller
VCC
D0-D15
D0 - D7
/WE
/OE
A0 - A16
SRAM
128Kx8
/CE
D0 - D7
/WE
/OE
A0 - A16
SRAM
128Kx8
/CE
/CE0-/CE15
A0-A16
8
8
17
17
Reset
Battery Back-up IC
Vbat2
Vbat1
1st Battery
(Replaceable)
2nd Battery
(Rechargeable)




/OE
/WE
/CE
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.

2. Pin Definition
Pinouts
Pin
No.
Pin
Name
Pin
No.
Pin
Name
Pin
No.
Pin
Name
Pin
No.
Pin
Name
01 GND 18 RFU 35 GND 52 RFU
02 D3 19 A16 36 /CD1 53 RFU
03 D4 20 A15 37 D11 54 RFU
04 D5 21 A12 38 D12 55 RFU
05 D6 22 A7 39 D13 56 RFU
06 D7 23 A6 40 D14 57 RFU
07 /CE1 24 A5 41 D15 58 RFU
08 A10 25 A4 42 /CE2 59 RFU
09 /OE 26 A3 43 RFU 60 RFU
10 A11 27 A2 44 RFU 61 /REG
11 A9 28 A1 45 RFU 62 BVD2
12 A8 29 A0 46 A17 63 BVD1
13 A13 30 D0 47 A18 64 D8
14 A14 31 D1 48 A19 65 D9
15 /WE 32 D2 49 A20 66 D10
16 RFU 33 WP 50 RFU 67 /CD2
17 VCC 34 GND 51 VCC 68 GND
Pin Identification
Symbol Function
D0 ~ D15
Data Bus (Bi-directional)
A0 ~ A20
Address Bus (Input)
/CE1,/CE2
Card Enable (Input)
/OE
Output Enable (Input)
/WE
Write Enable (Input)
/CD1,/CD2
Card Detect (Output)
WP
Write Protect (Output)
/REG
Register Select (Input)
BVD1,BVD2
Battery Voltage Detect
RFU
Reserved for Future Use
VCC
+5V power input
This technical information is based on industry standard data and tests believed to be reliable. However , Transcend makes no warranties, either
expressed or implied, as to its accuracy and assumes no liability in connection with the use of this product. Transcend reserves the right to make
changes in specifications at any time without prior notice.
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Transcend TS2MSRAMA Datasheet

Transcend
Brand
Transcend
Model
TS2MSRAMA
Category
Memory cards
Type
Datasheet
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