DS1230YP-70 Maxim Integrated Products, DS1230YP-70 Datasheet

IC NVSRAM 256KBIT 70NS 34PCM

DS1230YP-70

Manufacturer Part Number
DS1230YP-70
Description
IC NVSRAM 256KBIT 70NS 34PCM
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of DS1230YP-70

Format - Memory
RAM
Memory Type
NVSRAM (Non-Volatile SRAM)
Memory Size
256K (32K x 8)
Speed
70ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
34-PowerCap™ Module
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS1230YP-70
Manufacturer:
DALLAS
Quantity:
20 000
Part Number:
DS1230YP-70+
Manufacturer:
Maxim Integrated Products
Quantity:
135
FEATURES
 10 years minimum data retention in the
 Data is automatically protected during power
 Replaces 32k x 8 volatile static RAM,
 Unlimited write cycles
 Low-power CMOS
 Read and write access times of 70 ns
 Lithium energy source is electrically
 Full ±10% V
 Optional ±5% V
 Optional industrial temperature range of
 JEDEC standard 28-pin DIP package
 PowerCap Module (PCM) package
www.maxim-ic.com
19-5635; Rev 11/10
absence of external power
loss
EEPROM or Flash memory
disconnected to retain freshness until power is
applied for the first time
(DS1230AB)
-40°C to +85°C, designated IND
-
-
-
-
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
CC
operating range (DS1230Y)
CC
operating range
1 of 10
PIN ASSIGNMENT
PIN DESCRIPTION
A0 - A14
DQ0 - DQ7
V
GND
NC
CE
WE
OE
GND
CC
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
V
WE
NC
NC
NC
NC
OE
CE
CC
(Uses DS9034PC+ or DS9034PCI+ PowerCap)
256k Nonvolatile SRAM
GND
DQ0
DQ1
DQ2
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
28-Pin Encapsulated Package
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
34-Pin PowerCap Module (PCM)
740-mil Extended
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GND V
- Address Inputs
- Data In/Data Out
- Chip Enable
- Write Enable
- Output Enable
- Power (+5V)
- Ground
- No Connect
BAT
DS1230Y/AB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
34
33
28
25
24
23
21
19
18
32
31
30
29
27
26
22
20
CC
NC
NC
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0

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DS1230YP-70 Summary of contents

Page 1

... 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  Lithium energy source is electrically ...

Page 2

DESCRIPTION The DS1230 256k Nonvolatile SRAMs are 262,144-bit, fully static, nonvolatile SRAMs organized as 32,768 words by 8 bits. Each NV SRAM has a self-contained lithium energy source and control circuitry which constantly monitors V CC lithium energy source is ...

Page 3

... PACKAGES The DS1230 devices are available in two packages: 28-pin DIP and 34-pin PowerCap Module (PCM). The 28-pin DIP integrates a lithium battery, an SRAM memory and a nonvolatile control function into a single package with a JEDEC-standard, 600-mil DIP pinout. The 34-pin PowerCap Module integrates SRAM memory and nonvolatile control along with contacts for connection to the lithium battery in the DS9034PC PowerCap ...

Page 4

ABSOLUTE MAXIMUM RATINGS Voltage on Any Pin Relative to Ground Operating Temperature Range Commercial: Industrial: Storage Temperature Range EDIP PowerCap Lead Temperature (soldering, 10s) Note: EDIP is wave or hand soldered only. Soldering Temperature (reflow, PowerCap) This is a stress ...

Page 5

AC ELECTRICAL CHARACTERISTICS PARAMETER Read Cycle Time Access Time to Output Valid OE to Output Valid Output Active OE CE Output High-Z from Deselection Output Hold from Address Change Write Cycle Time Write Pulse Width Address Setup ...

Page 6

READ CYCLE SEE NOTE 1 WRITE CYCLE 1 SEE NOTES and DS1230Y/AB ...

Page 7

WRITE CYCLE 2 SEE NOTES and 13 POWER-DOWN/POWER-UP CONDITION SEE NOTE 11 POWER-DOWN/POWER-UP TIMING PARAMETER V Fail Detect to and slew from slew from ...

Page 8

PARAMETER Expected Data Retention Time WARNING: Under no circumstance are negative undershoots, of any amplitude, allowed when device is in battery backup mode. NOTES high for a Read Cycle ...

Page 9

... DS1230Y-70+ 0°C to +70°C DS1230YP-70+ 0°C to +70°C DS1230Y-70IND+ -40°C to +85°C DS1230YP-70IND+ -40°C to +85°C +Denotes a lead(Pb)-free/RoHS-compliant package. *DS9034PC+ or DS9034PCI+ (PowerCap) required. Must be ordered separately. PACKAGE INFORMATION For the latest package outline information and land patterns www.maxim-ic.com/packages. “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status ...

Page 10

REVISION HISTORY REVISION DATE Added package information table; removed the DIP module 121907 package drawing and dimension table Updated the storage information, soldering temperature, and lead temperature information in the Absolute Maximum Ratings section; removed the -85, -100, -120, -150, ...

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