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

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

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