DS1248Y-70IND+ Maxim Integrated Products, DS1248Y-70IND+ Datasheet - Page 13

• Manufacturer Part Number: DS1248Y-70IND+
• Description: IC NVSRAM 1MBIT 70NS 32DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1248Y-70IND+

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 1M (128K x 8)
• Speed: 70ns
• 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

POWER-DOWN/POWER-UP TIMING
Over the Operating Range (3.3V)
CE at V
V
V
V
V
CE at V
(T
Expected Data-Retention Time
Warning: Under no circumstances are negative undershoots, of any amplitude, allowed when
device is in battery-backup mode.
MEMORY READ CYCLE (Note 1)
CC
PF(MIN)
CC
PF(MIN)
A
= +25°C)
Slew from V
Slew from V
(CE at V
(CE at V
IH
IH
before Power-Down
after Power-Up
PARAMETER
PARAMETER
IH
IH
PF(MAX)
PF(MAX)
)
)
to
to
SYMBOL
SYMBOL
t
t
t
REC
t
t
DR
PD
R
F
13 of 18
MIN
MIN
300
1.5
10
0
0
TYP
TYP
MAX
MAX
2.5
UNITS
UNITS
years
ms
s
s
s
NOTES
NOTES
9