M48T35Y-70MH1E STMicroelectronics, M48T35Y-70MH1E Datasheet - Page 15

• Manufacturer Part Number: M48T35Y-70MH1E
• Description: IC TIMEKPR NVRAM 256KBIT5V 28SOI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T35Y-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: 28-SOIC, 28-SOH (8.48mm Width)
• Function: Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup
• Rtc Memory Size: 32768 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2849-5; M48T35Y-70MH1

M48T35, M48T35Y
Figure 8.
Figure 9.
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
-100
-20
-40
-60
-80
ppm
20
0
Crystal accuracy across temperature
Clock calibration
0
5
ΔF = -0.038
10
F
15
20
Doc ID 2611 Rev 9
T
0
ppm
= 25 °C
C
2
25
(T - T
30
0
)
2
± 10%
35
40
45
50
55
60
65
Clock operations
70
°C
AI00594B
AI02124
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