M48T37Y-70MH1E STMicroelectronics, M48T37Y-70MH1E Datasheet - Page 26

• 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

Package mechanical data
Note:
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Figure 16. SH – 4-pin SNAPHAT
Drawing is not to scale.
Table 16.
Symbol
A1
A2
A3
eA
eB
A
B
D
E
L
SH – 4-pin SNAPHAT
mechanical data
Typ
eA
D
21.21
17.27
15.55
8.00
7.24
0.46
3.20
2.03
Doc ID 7019 Rev 9
mm
Min
®
®
housing for 120 mAh battery & crystal, pack. outline
housing for 120 mAh battery & crystal, package
A1
E
A
10.54
21.84
18.03
15.95
Max
8.51
8.00
0.38
0.56
3.61
2.29
B
Typ
eB
A3
L
inches
0.315
0.285
0.018
0.835
0.680
0.612
0.126
0.080
Min
M48T37Y, M48T37V
A2
0.415
.0335
0.315
0.015
0.022
0.860
.0710
0.628
0.142
0.090
Max
SHTK-A