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

• Manufacturer Part Number: DS1248Y-70
• Description: Real Time Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS1248Y-70

• Function: Clock, Calendar, NV Timekeeping RAM, Battery Backup
• Rtc Memory Size: 131072 B
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Phantom Clock, Parallel
• Package / Case: eDIP
• Time Format: HH:MM:SS:hh
• 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