M48T37Y-70MH6 STMicroelectronics, M48T37Y-70MH6 Datasheet - Page 23
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M48T37Y-70MH6
Manufacturer Part Number
M48T37Y-70MH6
Description
Real Time Clock 256K (32Kx8) 70ns
Manufacturer
STMicroelectronics
Datasheet
1.M48T37Y-70MH6.pdf
(30 pages)
Specifications of M48T37Y-70MH6
Function
Clock, Calendar, NV Timekeeping RAM, Watchdog Timer, Battery Backup, Alarm
Rtc Memory Size
32768 B
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Rtc Bus Interface
Parallel
Package / Case
SOIC-44
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M48T37Y-70MH6E
Manufacturer:
SPANSION
Quantity:
206
Company:
Part Number:
M48T37Y-70MH6F
Manufacturer:
ST
Quantity:
201
M48T37Y, M48T37V
Note:
Table 12.
1. Valid for ambient operating temperature: T
2. V
3. V
4. t
Table 13.
1. Valid for ambient operating temperature: T
2. At 25 °C, V
3. Using larger M4T32-BR12SH6 SNAPHAT
All voltages referenced to V
Symbol
Symbol
t
V
t
(except where noted).
until 200 µs after V
(except where noted).
device).
V
DR
REC
REC
t
PFD
t
FB
PFD
PFD
t
SO
F
t
RB
(2)
R
(2)
(3)
(4)
(min) = 20 ms for industrial temperature range - grade 6 device.
(min) to V
(max) to V
Power-fail deselect voltage
Battery backup switchover voltage
Expected data retention time
CC
Power down/up AC characteristics
Power down/up trip points DC characteristics
V
V
V
V
V
PFD
PFD
PFD
SS
PFD
= 0 V.
SS
PFD
to V
(min) to V
fall time of less than t
(max) to V
(min) to V
(max) to RST high
CC
(min) fall time of less than t
PFD
passes V
(min) V
Parameter
PFD
SS
Parameter
PFD
SS
PFD
V
.
(max) V
Doc ID 7019 Rev 9
CC
CC
(min) V
(min).
fall time
rise time
FB
(1)
®
A
A
(1)
may cause corruption of RAM data
CC
CC
top (recommended for industrial temperature range - grade 6
= 0 to 70 °C or –40 to 85 °C; V
= 0 to 70 °C or –40 to 85 °C; V
rise time
fall time
F
may result in deselection/write protection not occurring
M48T37Y
M48T37V
M48T37Y
M48T37V
Grade 1
Grade 6
10
Min
4.2
2.7
5
(3)
Min
300
10
10
40
1
V
CC
CC
PFD
= 4.5 to 5.5 V or 3.0 to 3.6 V
= 4.5 to 5.5 V or 3.0 to 3.6 V
V
DC and AC parameters
Typ
4.4
2.9
–100 mV
BAT
7
Max
200
Max
4.5
3.0
Unit
ms
µs
µs
µs
µs
Years
Years
Unit
V
V
V
V
23/30