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参数资料
| 型号： | M41T93ZQA6F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PQCC16 |
| 封装： | 4 X 4 MM, ROHS COMPLIANT, QFN-16 |
| 文件页数： | 1/49页 |
| 文件大小： | 719K |
| 代理商： | M41T93ZQA6F |
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October 2010
Doc ID 12615 Rev 5
1/49
1
M41T93
Serial SPI bus RTC with battery switchover
Features
■ Ultra-low battery supply current of 365 nA
■ Factory calibrated accuracy ±5 ppm
guaranteed after 2 reflows (SOX18)
– Much better accuracies achievable using
built-in programmable analog and digital
calibration circuits
■ 2.0 V to 5.5 V clock operating voltage
■ Counters for tenths/hundredths of seconds,
seconds, minutes, hours, day, date, month,
year, and century
■ Automatic switchover and reset output circuitry
(fixed reference)
–M41T93S: VCC = 3.0 V to 5.5 V
(2.85 V
≤ VRST ≤ 3.00 V)
–M41T93R: VCC = 2.7 V to 5.5 V
(2.55 V
≤ VRST ≤ 2.70 V)
–M41T93Z: VCC = 2.38 V to 5.50 V
(2.25 V
≤ VRST ≤ 2.38 V)
■ Compatible with SPI bus serial interface
(supports SPI mode 0 [CPOL = 0, CPHA = 0])
■ Programmable alarm with interrupt function
(valid even during battery back-up mode)
■ Optional 2nd programmable alarm available
■ Square wave output (defaults to 32 KHz on
power-up)
■ RESET (RST) output
■ Watchdog timer
■ Programmable 8-bit counter/timer
■ 7 bytes of battery-backed user SRAM
■ Battery low flag
■ Power-down time stamp (HT bit)
■ Low operating current of 80 A
■ Oscillator stop detection
■ Battery or SuperCap backup
■ Operating temperature of –40 °C to +85 °C
■ Package options include:
– a 16-lead QFN or an 18-lead embedded
crystal SOIC
■ RoHS compliance: lead-free components are
compliant with the RoHS directive
SOX18 (MY, 18-pin, 300 mil SOIC
QFN16, 4 mm x 4 mm (QA)
with embedded crystal)
1
18
相关PDF资料 |
PDF描述 |
|---|---|
| M41T93RQA6F | 1 TIMER(S), REAL TIME CLOCK, PQCC16 |
| M41T93SQA6F | 1 TIMER(S), REAL TIME CLOCK, PQCC16 |
| M43C505-XXX-DIT | 4-BIT, MROM, 2 MHz, MICROCONTROLLER, UUC |
| M43C505-XXX-Q44 | 4-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44 |
| M44C090-XXX-FL16 | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDSO16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M41T94 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:512 Bit 64 bit x8 SERIAL RTC SPI SRAM |
| M41T94_06 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Serial Real Time Clock with 44Bytes NVRAM and Reset |
| M41T94_07 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Serial real-time clock with 44 bytes NVRAM and reset |
| M41T94_09 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Serial real-time clock with 44 bytes NVRAM and reset |
| M41T94MH | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:512 Bit 64 bit x8 SERIAL RTC SPI SRAM |
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