M48T58Y-70MH1 STMicroelectronics, M48T58Y-70MH1 Datasheet - Page 2

Real Time Clock 64K (8Kx8) 70ns

M48T58Y-70MH1

Manufacturer Part Number
M48T58Y-70MH1
Description
Real Time Clock 64K (8Kx8) 70ns
Manufacturer
STMicroelectronics
Datasheet

Specifications of M48T58Y-70MH1

Function
Clock, Calendar, NV Timekeeping RAM, Battery Backup
Rtc Memory Size
8192 B
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
Package / Case
SOIC-28
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Part Number
Manufacturer
Quantity
Price
Part Number:
M48T58Y-70MH1
Manufacturer:
ST
Quantity:
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Manufacturer:
ST
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Manufacturer:
ST
Quantity:
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Part Number:
M48T58Y-70MH1
Quantity:
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Part Number:
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Manufacturer:
ST
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Part Number:
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ST
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Part Number:
M48T58Y-70MH1TR
Manufacturer:
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0
Contents
Contents
1
2
3
4
5
6
7
8
9
10
11
12
2/33
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operation modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
READ mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
WRITE mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Data retention mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Clock operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1
6.2
6.3
6.4
6.5
6.6
6.7
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Environmental information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Setting the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Century bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Reading the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Stopping and starting the oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Calibrating the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Battery low flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
V
CC
noise and negative going transients . . . . . . . . . . . . . . . . . . . . . . . . . 20
Doc ID 2412 Rev 7
M48T58, M48T58Y

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