M48T37Y-70MH1E STMicroelectronics, M48T37Y-70MH1E Datasheet - Page 19
![IC TIMEKPR NVRAM 256KBIT5V 44SOH](/photos/6/58/65871/m48t37y-70mh1e_sml.jpg)
M48T37Y-70MH1E
Manufacturer Part Number
M48T37Y-70MH1E
Description
IC TIMEKPR NVRAM 256KBIT5V 44SOH
Manufacturer
STMicroelectronics
Series
Timekeeper®r
Type
Clock/Calendar/NVSRAMr
Specifications of M48T37Y-70MH1E
Memory Size
256K (32K x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
44-SOH
Bus Type
Parallel
User Ram
32KB
Operating Supply Voltage (typ)
5V
Package Type
SOH
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
Operating Temperature Classification
Commercial
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
44
Mounting
Surface Mount
Memory Configuration
32K X 8
Nvram Features
RTC
Interface Type
Parallel
Access Time
70ns
Supply Voltage Range
4.5V To 5.5V
Memory Case Style
SOIC
No. Of Pins
44
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2854-5
M48T37Y-70MH1
M48T37Y-70MH1
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M48T37Y-70MH1E
Manufacturer:
ST
Quantity:
936
Figure 11. Crystal Accuracy Across Temperature
Figure 12. Clock Calibration
Frequency (ppm)
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
–100
–120
–140
–160
–20
–40
–60
–80
20
0
–40
–30
–20
–10
0
10
Temperature C
F
F = -0.038
20
T
30
0
ppm
= 25 C
C
2
(T - T
40
0
)
2
50
10%
60
M48T37Y, M48T37V
70
80
AI00999
AI00594B
19/29