M48T02-70PC1 STMicroelectronics, M48T02-70PC1 Datasheet - Page 20

• Manufacturer Part Number: M48T02-70PC1
• Description: IC TIMEKPR NVRAM 16KBIT 5V 24-DI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T02-70PC1

• Memory Size: 16K (2K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.75 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (600 mil) Module
• Function: Clock/Calendar/NV Timekeeping RAM/Battery Backup
• Rtc Memory Size: 2048 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.75 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2827-5

DC and AC parameters
20/25
Table 10.
1. Valid for ambient operating temperature: T
2. V
3. V
Table 11.
1. All voltages referenced to V
2. Valid for ambient operating temperature: T
3. At 25 °C; V
Symbol
Symbol
noted).
until 200 µs after V
noted).
t
t
V
t
FB
V
DR
PFD
PFD
t
t
t
F
PD
t
RB
rec
PFD
SO
(2)
R
(3)
(3)
(min) to V
(max) to V
CC
E or W at V
V
V
V
V
E or W at V
Power down/up AC characteristics
Power down/up trip points DC characteristics
Power-fail deselect voltage
Battery backup switchover voltage
Expected data retention time
PFD
PFD
PFD
SS
= 0 V.
SS
PFD
to V
(min) to V
(max) to V
(min) to V
fall time of less than t
CC
(min) fall time of less than t
PFD
passes V
IH
IH
(min) V
before power-up
before power down
SS
Parameter
PFD
SS
PFD
.
Parameter
PFD
V
(max) V
CC
CC
Doc ID 2410 Rev 8
(min) V
(min).
fall time
rise time
FB
(1)(2)
A
A
CC
may cause corruption of RAM data.
(1)
CC
= 0 to 70 °C; V
= 0 to 70 °C; V
rise time
fall time
F
may result in deselection/write protection not occurring
M48T02
M48T12
CC
CC
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where
Min
4.5
4.2
10
Min
300
10
0
0
1
2
Typ
4.6
4.3
3.0
Max
-
-
-
-
-
-
M48T02, M48T12
Max
4.75
4.5
YEARS
Unit
ms
Unit
µs
µs
µs
µs
µs
V
V
V