DS1249Y-85IND# Maxim Integrated Products, DS1249Y-85IND# Datasheet - Page 3

• Manufacturer Part Number: DS1249Y-85IND#
• Description: IC NVSRAM 2MBIT 85NS 32DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1249Y-85IND#

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 2M (256K x 8)
• Speed: 85ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°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