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DS1230Y-120 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part # DS1230Y-120
Description  256k Nonvolatile SRAM
Download  10 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS1230Y-120 Datasheet(HTML) 1 Page - Maxim Integrated Products

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FEATURES
 10 years minimum data retention in the
absence of external power
 Data is automatically protected during power
loss
 Replaces 32k x 8 volatile static RAM,
EEPROM or Flash memory
 Unlimited write cycles
 Low-power CMOS
 Read and write access times of 70 ns
 Lithium energy source is electrically
disconnected to retain freshness until power is
applied for the first time
 Full
±10% V
CC operating range (DS1230Y)
 Optional
±5% V
CC operating range
(DS1230AB)
 Optional industrial temperature range of
-40
°C to +85°C, designated IND
 JEDEC standard 28-pin DIP package
 PowerCap Module (PCM) package
-
Directly surface-mountable module
-
Replaceable snap-on PowerCap provides
lithium backup battery
-
Standardized pinout for all nonvolatile
SRAM products
-
Detachment feature on PowerCap allows
easy removal using a regular screwdriver
PIN ASSIGNMENT
PIN DESCRIPTION
A0 - A14
- Address Inputs
DQ0 - DQ7
- Data In/Data Out
CE
- Chip Enable
WE
- Write Enable
OE
- Output Enable
VCC
- Power (+5V)
GND
- Ground
NC
- No Connect
DS1230Y/AB
256k Nonvolatile SRAM
www.maxim-ic.com
13
1
2
3
4
5
6
7
8
9
10
11
12
14
27
28-Pin Encapsulated Package
740-mil Extended
A14
A7
A5
A4
A3
A2
A1
A0
DQ1
DQ0
VCC
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ5
DQ6
28
26
25
24
23
22
21
20
19
18
17
15
16
A12
A6
DQ2
GND
DQ4
DQ3
1
NC
2
3
NC
NC
NC
VCC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
4
5
6
7
8
9
10
11
12
13
14
15
16
17
NC
A14
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34
NC
GND
VBAT
34-Pin PowerCap Module (PCM)
(Uses DS9034PC+ or DS9034PCI+ PowerCap)
19-5635; Rev 11/10


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