M48T18-150PC STMicroelectronics, M48T18-150PC Datasheet - Page 2

IC, TIMEKEEPER, YY-MM-DD-dd, 8KX8, DIP28

M48T18-150PC

Manufacturer Part Number
M48T18-150PC
Description
IC, TIMEKEEPER, YY-MM-DD-dd, 8KX8, DIP28
Manufacturer
STMicroelectronics
Datasheets

Specifications of M48T18-150PC

Clock Format
HH
Clock Ic Type
Timekeeper
Memory Configuration
8K X 8
Supply Voltage Range
4.5V To 5.5V
Digital Ic Case Style
DIP
No. Of Pins
28
Date Format
YY-MM-DD-dd
Memory Size
64Kbit
Nvram Features
RTC, Internal Battery, XTAL
Interface Type
Parallel
Access Time
150ns
Memory Case Style
DIP
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Part Number
Manufacturer
Quantity
Price
Part Number:
M48T18-150PC1
Manufacturer:
STMicroelectronics
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Manufacturer:
ST
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Manufacturer:
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Manufacturer:
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Contents
Contents
1
2
3
4
5
6
7
8
9
2/31
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operation modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1
2.2
2.3
2.4
Clock operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1
3.2
3.3
3.4
3.5
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Environmental information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Setting the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
READ mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
WRITE mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Data retention mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Power-fail interrupt pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Reading the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Stopping and starting the oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Calibrating the clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
V
CC
noise and negative going transients . . . . . . . . . . . . . . . . . . . . . . . . . 18
Doc ID 2411 Rev 10
M48T08, M48T08Y, M48T18

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