M48T58Y-70MH1E STMicroelectronics, M48T58Y-70MH1E Datasheet - Page 18

• Manufacturer Part Number: M48T58Y-70MH1E
• Description: IC TIMEKPR NVRAM 64KBIT 5V 28SOI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T58Y-70MH1E

• Memory Size: 64K (8K 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)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2858-5; M48T58Y-70MH1; M48T58Y-70MH1#

Clock operations
Figure 8.
Figure 9.
18/33
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
Crystal accuracy across temperature
Clock calibration
-100
-20
-40
-60
-80
ppm
20
0
0
5
ΔF = -0.038
10
F
15
20
T
0
ppm
= 25 °C
C
2
Doc ID 2412 Rev 7
25
(T - T
30
0
)
2
± 10%
35
40
45
50
55
60
65
70
M48T58, M48T58Y
°C
AI00594B
AI02124