DS1244Y-70+ Maxim Integrated Products, DS1244Y-70+ Datasheet - Page 9

IC NVSRAM 256KBIT 70NS 28DIP

DS1244Y-70+

Manufacturer Part Number
DS1244Y-70+
Description
IC NVSRAM 256KBIT 70NS 28DIP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of DS1244Y-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
28-DIP Module (600 mil), 28-EDIP
Organization
32 K x 8
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Operating Current
85 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V
Storage Temperature Range………………………………………………-40ºC to +85ºC (noncondensing)
Soldering Temperature……………………………………….See IPC/JEDEC J-STD-020 (DIP) (Note 13)
This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect
reliability.
OPERATING RANGE
Commercial
Industrial
RECOMMENDED DC OPERATING CONDITIONS
Input Logic 1
Input Logic 0
DC ELECTRICAL CHARACTERISTICS
Input Leakage Current
I/O Leakage Current
Output Current at 2.4V
Output Current at 0.4V
Standby Current CE = 2.2V
Standby Current
Operating Current t
Write Protection Voltage
Battery Switchover Voltage
CE  V
CE = V
RANGE
IH
CC
PARAMETER
PARAMETER
≤ V
- 0.5V
CC
V
V
V
V
(NONCONDENSING)
CC
CC
CC
CC
CYC
= 5V ±10%
= 3.3V ±10%
= 5V ±15%
= 3.3V ±10%
TEMP RANGE
-40°C to +85°C
0°C to +70°C
= 70ns
SYMBOL
SYMBOL
I
I
I
V
V
I
CCS1
CCS2
I
CC01
I
I
OH
OL
IO
IL
SO
PF
V
V
IH
IL
3.3V 10% or 5V 10%
3.3V 10% or 5V 10%
MIN
4.25
-1.0
-1.0
-1.0
MIN
2.0
9 of 19
-0.3
-0.3
2.2
2.0
V
CC
TYP
V
TYP
4.37
3.0
BAT
5
V
V
Over the operating range (5V)
CC
CC
MAX
MAX
+1.0
+1.0
4.50
0.8
0.6
5.0
10
85
+ 0.3V
Over the operating range
+ 3V
UNITS
UNITS
mA
mA
mA
mA
mA
A
A
V
V
V
V
NOTES
NOTES
11
11
12
11
11

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