參數(shù)資料
型號： M48T86
廠商： 意法半導(dǎo)體
英文描述： 5V PC Real Time Clock(5VＰＣ實(shí)時(shí)時(shí)鐘)
中文描述： 5V的電腦實(shí)時(shí)時(shí)鐘（5VPC實(shí)時(shí)時(shí)鐘）
文件頁數(shù)： 1/22頁
文件大?。?/td> 176K
代理商： M48T86
M48T86
5V PC REAL TIME CLOCK
November 1998
1/22
DROP-IN REPLACEMENT for PC
COMPUTER CLOCK/CALENDAR
COUNTS SECONDS, MINUTES, HOURS,
DAYS, DAY of the WEEK, DATE, MONTH and
YEAR with LEAP YEAR COMPENSATION
INTERFACED WITH SOFTWARE AS 128
RAM LOCATIONS:
– 14 Bytes of Clock and Control Registers
– 114 Bytes of General Purpose RAM
SELECTABLE BUS TIMING (Intel/Motorola)
THREE INTERRUPTS are SEPARATELY
SOFTWARE-MASKABLE and TESTABLE
– Time-of-Day Alarm (Once/Second to
Once/Day)
– Periodic Rates from 122
μ
s to 500ms
– End-of-Clock Update Cycle
PROGRAMMABLE SQUARE WAVE OUTPUT
SELF-CONTAINED BATTERY and CRYSTAL
in the CAPHAT DIP PACKAGE
PACKAGING INCLUDES a 28-LEAD SOIC
and SNAPHAT
TOP (to be Ordered
Separately)
SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP
CONTAINS the BATTERY and CRYSTAL
PIN and FUNCTION COMPATIBLE with
bq3285/7A and DS128887
AI01640
E
VCC
M48T86
RCL
RST
VSS
8
AD0-AD7
MOT
R/W
DS
AS
IRQ
SQW
Figure 1. Logic Diagram
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
Bus Type Select Input
SQW
Square Wave Output
IRQ
Interrupt Request Output
V
CC
V
SS
Supply Voltage
Ground
Table 1. Signal Names
24
1
PCDIP24 (PC)
Battery/Crystal
CAPHAT
SNAPHAT (SH)
Battery/Crystal
28
1
SOH28 (MH)
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T86_07 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V PC real-time clock
M48T86_0707 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V PC real-time clock
M48T86MH 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V PC REAL TIME CLOCK
M48T86MH1 功能描述:實(shí)時(shí)時(shí)鐘 USE 511-M48T86MH1E RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M48T86MH1E 功能描述:實(shí)時(shí)時(shí)鐘 5 Volt PC Drop-In RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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