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M48T86 데이터시트 PDF




ST Microelectronics에서 제조한 전자 부품 M48T86은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 M48T86 자료 제공

부품번호 M48T86 기능
기능 5V PC REAL TIME CLOCK
제조업체 ST Microelectronics
로고 ST Microelectronics 로고


M48T86 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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M48T86 데이터시트, 핀배열, 회로
M48T86
5.0 V PC real-time clock
Not For New Design
Features
Drop-in replacement for PC computer
clock/calendar
Counts seconds, minutes, hours, days, day of
)the week, date, month, and year with leap year
t(scompensation
cClock accuracy better than ±1 minute per
umonth
rod )Interfaced with software as 128 RAM locations:
P t(s– 14 bytes of clock and control registers
te c– 114 bytes of general purpose RAM
le uSelectable bus timing (Intel/Motorola)
so rodThree interrupts are separately software-
maskable and testable
b P– Time-of-day alarm (once/second to
- O teonce/day)
) le– Periodic rates from 122 µs to 500 ms
t(s so– End-of-clock update cycle
c bProgrammable square wave output
du - O10 years of data retention and clock operation
ro )in the absence of power
P t(sSelf-contained battery and crystal in the
te cCAPHAT™ DIP package
le uPackaging includes a 28-lead SOIC and
so rodSNAPHAT® top (to be ordered separately)
SOIC package provides direct connection for a
b PSNAPHAT top contains the battery and crystal
O tePin and function compatible with bq3285/7A
leand DS12887
soRoHS compliant
Ob– Lead-free second level interconnect
24
1
PCDIP24 (PC)
Battery/Crystal
CAPHAT
SNAPHAT (SH)
Battery/Crystal
28
1
SOH28 (MH)
December 2008
Rev 7
This is information on a product still in production but not recommended for new designs.
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M48T86 pdf, 반도체, 판매, 대치품
List of tables
List of tables
M48T86
Table 1. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 2. AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table 3. Time, calendar, and alarm formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 4. Square wave frequency/periodic interrupt rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 5. Register A MSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 6. Register B MSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 7. Register C MSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 8. Register D MSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 9.
Table 10.
)Table 11.
t(sTable 12.
cTable 13.
uTable 14.
dTable 15.
ro )Table 16.
te P ct(sTable 17.
le duTable 18.
bso ProTable 19.
- O teTable 20.
OObbssoolleettee PPrroodduucctt((ss)) - ObsoleTable 21.
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Operating and AC measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
DC characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power down/up mode AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Power down/up trip points DC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
PCDIP24 – 24-pin plastic DIP, battery CAPHAT™, package mechanical data . . . . . . . . . 29
SOH28 – 28-lead plastic small outline, 4-socket battery SNAPHAT®, package
mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
SH – 4-pin SNAPHAT® housing for 48 mAh battery and crystal, package
mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
SH – 4-pin SNAPHAT® housing for 120 mAh battery and crystal, package
mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
SNAPHAT® battery table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4/36

4페이지










M48T86 전자부품, 판매, 대치품
M48T86
Description
Table 1. Signal names
AD0-AD7
Multiplexed address/data bus
E Chip enable input
R/W WRITE enable input
DS Data strobe input
AS Address strobe input
RST
Reset Input
RCL
RAM clear input
MOT
)SQW
t(sIRQ
ducVCC
Pro t(s)VSS
NC
Bus type select input
Square wave output
Interrupt request output
(open drain)
Supply voltage
Ground
Not connected internally
lete ducFigure 2. 24-pin DIP connections
bso ProMOT 1
- O teNC 2
24 VCC
23 SQW
) leNC 3
22 NC
t(s oAD0 4
21 RCL
sAD1 5
20 NC
c bAD2 6
19 IRQ
u OM48T86
AD3 7
18 RST
rod -AD4 8
17 DS
P t(s)AD5 9
16 NC
AD6 10
15 R/W
te c AD7 11
14 AS
le du VSS 12
13 E
OObbssoolete Pro AI01641
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구매 문의
일반 IC 문의 : 샘플 및 소량 구매
-----------------------------------------------------------------------

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관련 데이터시트

부품번호상세설명 및 기능제조사
M48T86

5V PC REAL TIME CLOCK

ST Microelectronics
ST Microelectronics

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