M41T256YMT7 STMicroelectronics, M41T256YMT7 Datasheet - Page 27

• Manufacturer Part Number: M41T256YMT7
• Description: Real Time Clock Serial 256K (32Kx8)
• Manufacturer: STMicroelectronics

Specifications of M41T256YMT7

• Function: Clock, Calendar
• Rtc Memory Size: 32768 B
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: - 25 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Package / Case: SO-44
• Time Format: HH:MM:SS:hh
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note:
Figure 16. SH – 4-pin SNAPHAT housing for 120mAh battery & crystal outline
Drawing is not to scale.
Table 12.
Symb
A1
A2
A3
eA
eB
A
B
D
E
L
SH – 4-pin SNAPHAT housing for 120mAh battery & crystal, mechanical data
Typ
eA
D
21.21
17.27
15.55
8.00
7.24
0.46
3.20
2.03
mm
Min
A1
E
10.54
21.84
18.03
15.95
A
Max
8.51
8.00
0.38
0.56
3.61
2.29
B
Typ
eB
SHTK-A
inches
0.315
0.285
0.018
0.835
0.680
0.612
0.126
0.080
Min
A3
L
A2
0.415
.0335
0.315
0.015
0.022
0.860
.0710
0.628
0.142
0.090
Max
27/30