M4T32-BR12SH datasheet(3/34 Pages) STMICROELECTRONICS

tên linh kiện	M4T32-BR12SH

Giải thích chi tiết về linh kiện	3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor

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3 / 34 page

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M41ST85W

Power-on Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Reset Inputs (RSTIN1 & RSTIN2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 19.RSTIN1 & RSTIN2 Timing Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 5. Reset AC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Power-fail INPUT/OUTPUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Century Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Output Driver Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Battery Low Warning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

trec Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Initial Power-on Defaults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Table 6. trec Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Table 7. Default Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

MAXIMUM RATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 8. Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DC and AC PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 9. DC and AC Measurement Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 20.AC Testing Input/Output Waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 10. Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 11. DC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 21.Bus Timing Requirements Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 12. AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 22.Power Down/Up Mode AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Table 13. Power Down/Up AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

PACKAGE MECHANICAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 23.SOH28 – 28-lead Plastic Small Outline, Battery SNAPHAT, Package Outline . . . . . . . . 28

Table 14. SOH28 – 28-lead Plastic Small Outline, battery SNAPHAT, Package Mechanical Data 28

Figure 24.SH – 4-pin SNAPHAT Housing for 48mAh Battery & Crystal, Package Outline . . . . . . . 29

Table 15. SH – 4-pin SNAPHAT Housing for 48mAh Battery & Crystal, Mechanical Data . . . . . . . 29

Figure 25.SH – 4-pin SNAPHAT Housing for 120mAh Battery & Crystal, Package Outline . . . . . . 30

Table 16. SH – 4-pin SNAPHAT Housing for 120mAh Battery & Crystal, Mechanical Data . . . . . . 30

Figure 26.SOX28 – 28-lead Plastic Small Outline, 300mils, Embedded Crystal, Package Outline. 31

Table 17. SOX28 – 28-lead Plastic Small Outline, 300mils, Embedded Crystal, Mech. Data. . . . . 31

PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 18. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 19. SNAPHAT Battery/Crystal Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

REVISION HISTORY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 20. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Số phần tương tự - M4T32-BR12SH

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	M4T32-BR12SH	530Kb / 34P	5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
	M4T32-BR12SH	139Kb / 16P	TIMEKEEPER짰 SNAPHAT짰 (battery and crystal)
	M4T32-BR12SH	231Kb / 29P	Serial Real Time Clock with 56 Bytes of NVRAM
ARTSCHIP ELECTRONICS CO...	M4T32-BR12SH	7Mb / 27P	TIMEKEEPER SRAM
STMicroelectronics	M4T32-BR12SH	433Kb / 31P	512 Bit 64 bit x8 SERIAL RTC SPI SRAM

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	M41ST85W	369Kb / 41P	3.0/3.3V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
STMicroelectronics	M41ST85W	450Kb / 43P	3.0/3.3 V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
Maxim Integrated Produc...	MAX6917	315Kb / 31P	I2C-Compatible RTC with Microprocessor Supervisor, Alarm, and NV RAM Controller Rev 1; 10/05
STMicroelectronics	M41T315Y	241Kb / 30P	Serial access phantom RTC supervisor
	M41ST87Y	461Kb / 48P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
	M41ST87W	787Kb / 54P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
	M41T315Y	404Kb / 24P	Serial Access Phantom RTC Supervisor
	M41ST87Y	695Kb / 52P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
	M41ST85Y	530Kb / 34P	5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
	M41ST95W	545Kb / 35P	5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor

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