M48T35-70PC1 STMicroelectronics, M48T35-70PC1 Datasheet - Page 23

• Manufacturer Part Number: M48T35-70PC1
• Description: IC TIMEKPR NVRAM 256KBIT 5V 28DI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T35-70PC1

• Memory Size: 256K (32K 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: 28-DIP Module (600 mil), 28-EDIP
• Function: Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup
• Rtc Memory Size: 32768 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
• Bus Type: Parallel
• User Ram: 32KB
• Operating Supply Voltage (typ): 5V
• Package Type: PCDIP
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.75V
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 28
• Mounting: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2845-5

M48T35, M48T35Y
Note:
Figure 15. SH – 4-pin SNAPHAT
Drawing is not to scale.
Table 14.
Symbol
A1
A2
A3
eB
A
B
D
E
L
outline
SH – 4-pin SNAPHAT
mechanical data
Typ
eA
D
21.21
14.22
6.73
6.48
0.46
3.20
2.03
mm
Doc ID 2611 Rev 9
Min
®
®
housing for 48 mAh battery & crystal, package
housing for 48 mAh battery & crystal, package
A1
E
A
21.84
14.99
Max
9.78
7.24
6.99
0.38
0.56
3.61
2.29
B
Typ
eB
Package mechanical data
A3
L
inches
0.018
0.835
0.560
0.126
0.080
0.265
0.255
Min
A2
0.385
0.285
0.275
0.015
0.022
0.860
0.590
0.142
0.090
Max
SHTK
23/28