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| 型号： | ISL12020MIRZ-EVALZ |
| 厂商： | Intersil |
| 文件页数： | 1/34页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR ISL12020MIRZ |
| 产品培训模块： | Solutions for Industrial Control Applications |
| 标准包装： | 1 |
| 主要目的： | 计时，实时时钟（RTC） |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ISL12020M |
| 主要属性： | 128 B SRAM，可编程夏令时 |
| 次要属性： | I²C 接口 |
| 已供物品： | 板 |
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1
Low Power RTC with Battery Backed SRAM, Integrated
±5ppm Temperature Compensation and Auto Daylight
Saving
ISL12020M
The ISL12020M device is a low power real time clock (RTC)
with an embedded temperature sensor and crystal. Device
functions include oscillator compensation, clock/calendar,
power fail and low battery monitors, brownout indicator,
one-time, periodic or polled alarms, intelligent battery backup
switching, Battery Reseal function and 128 bytes of
battery-backed user SRAM. The device is offered in a 20 Ld
DFN module that contains the RTC and an embedded
32.768kHz quartz crystal. The calibrated oscillator provides
less than ±5ppm drift over the full -40°C to +85°C
temperature range.
The RTC tracks time with separate registers for hours, minutes,
and seconds. The calendar registers track date, month, year
and day of the week and are accurate through 2099, with
automatic leap year correction.
Daylight Savings time adjustment is done automatically, using
parameters entered by the user. Power fail and battery
monitors offer user-selectable trip levels. The time stamp
function records the time and date of switchover from VDD to
VBAT power, and also from VBAT to VDD power.
See AN1549 “Addressing Power Issues in Real Time Clock
Applications”
Features
Embedded 32.768kHz Quartz Crystal in the Package
20 Ld DFN Package (for SOIC version, refer to the
ISL12022M)
Calendar
On-chip Oscillator Temperature Compensation
10-bit Digital Temperature Sensor Output
15 Selectable Frequency Outputs
Interrupt for Alarm or 15 Selectable Frequency Outputs
Automatic Backup to Battery or Supercapacitor
VDD and Battery Status Monitors
Battery Reseal Function to Extend Battery Shelf Life
Power Status Brownout Monitor
Time Stamp for Battery Switchover
128 Bytes Battery-Backed User SRAM
I2C-Bus
RoHS Compliant
Applications
Utility Meters
POS Equipment
Printers and Copiers
Digital Cameras
ISL12020M
3.3V
C1
0.1F
BAT54
SDA
SCL
GND
VDD
BATTERY
3.0V
C2
0.1F
SCHOTTKY DIODE
1
2
3
4
5
6
7
8
9
10
X2
NC
VBAT
GND
NC
11
12
13
14
15
16
17
18
19
20
SDA
SCL
VDD
NC
X1
R1
10k
R2
10k
R3
10k
IRQ/FOUT
MCU
INTERFACE
FIGURE 1. TYPICAL APPLICATION CIRCUIT
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|Copyright Intersil Americas Inc. 2008-2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. I2C Bus is a trademark owned by
NXP Semiconductors Netherlands, B.V. All other trademarks mentioned are the property of their respective owners.
December 13, 2011
FN6667.5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL12020MIRZ-T | 功能描述:实时时钟 LDAL TIME CLK & TEMP COMPENSATED CR RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| ISL12020MIRZ-T7A | 功能描述:实时时钟 LDAL TIME CLK & TEMP COMPENSATED CR RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| ISL12021 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Real Time Clock with On Chip Temp Compensation 【5ppm |
| ISL12021CVZ | 功能描述:IC RTC LP BATT BACK SRAM 14TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 实时时钟 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 类型:时钟/日历 特点:警报器，闰年，SRAM 存储容量:- 时间格式:HH:MM:SS（12/24 小时） 数据格式:YY-MM-DD-dd 接口:SPI 电源电压:2 V ~ 5.5 V 电压 - 电源，电池:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN EP 包装:管件 |
| ISL12021IVZ | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Real Time Clock with On Chip Temp Compensation 【5ppm |
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