DS1249AB-85# Maxim Integrated Products, DS1249AB-85# Datasheet - Page 3
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DS1249AB-85#
Manufacturer Part Number
DS1249AB-85#
Description
IC NVSRAM 2048KBIT 85NS 32DIP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1249AB-85.pdf
(9 pages)
Specifications of DS1249AB-85#
Format - Memory
RAM
Memory Type
NVSRAM (Non-Volatile SRAM)
Memory Size
2M (256K x 8)
Speed
85ns
Interface
Parallel
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
0°C ~ 70°C
Package / Case
32-DIP Module (600 mil), 32-EDIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ABSOLUTE MAXIMUM RATINGS
Voltage on Any Pin Relative to Ground
Operating Temperature Range
Storage Temperature Range
Lead Temperature (soldering, 10s)
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect
reliability.
RECOMMENDED DC OPERATING CONDITIONS
DC ELECTRICAL CHARACTERISTICS
CAPACITANCE
PARAMETER
DS1249AB Power Supply Voltage
DS1249Y Power Supply Voltage
Logic 1
Logic 0
Input Leakage Current
I/O Leakage Current
Output Current @ 2.4V
Output Current @ 0.4V
Standby Current
Standby Current
Operating Current
Write Protection Voltage (DS1249AB)
Write Protection Voltage (DS1249Y)
PARAMETER
Input Capacitance
Input/Output Capacitance
Commercial:
Industrial:
Note: EDIP is wave or hand soldered only.
PARAMETER
CE
CE
=2.2V
=V
CE
CC
≥ V
-0.5V
IH
≤ V
CC
(T
SYMBOL
SYMBOL
SYMBOL
A
I
I
I
: See Note 10) (V
V
V
C
V
V
V
V
CCO1
C
I
I
CCS1
CCS2
I
I
OH
OL
IL
IO
I/O
CC
CC
TP
TP
IN
IH
IL
3 of 9
MIN
MIN
MIN
4.75
4.50
4.25
-2.0
-2.0
-1.0
4.5
2.2
0.0
2.0
(V
TYP
TYP
TYP
4.62
4.37
100
5.0
5.0
1.0
10
10
CC
CC
= 5V ±5% for DS1249AB)
= 5V ±10% for DS1249Y)
MAX
MAX
MAX
+2.0
+2.0
5.25
4.75
V
150
5.5
0.8
1.5
4.5
85
20
20
CC
(T
A
UNITS
UNITS
UNITS
: See Note 10)
mA
mA
mA
mA
µA
µA
µA
pF
pF
(T
V
V
V
V
V
V
-40°C to +85°C
-40°C to +85°C
+260°C
-0.3V to +6.0V
0°C to +70°C
A
= +25°C)
DS1249Y/AB
NOTES
NOTES
NOTES