M40Z300MQ1TR datasheet(5/16 Pages) STMICROELECTRONICS

tên linh kiện	M40Z300MQ1TR

Giải thích chi tiết về linh kiện	NVRAM CONTROLLER for up to EIGHT LPSRAM

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M40Z300, M40Z300W

POWER-ON RESET OUTPUT

All microprocessors have a reset input which forc-

es them to a known state when starting. The

M40Z300/W has a reset output (RST) pin which is

guaranteed to be low within tWPT of VPFD (See Ta-

ble 7). This signal is an open drain configuration.

An appropriate pull-up resistor should be chosen

to control the rise time. This signal will be valid for

all voltage conditions, even when VCC equals VSS.

Once VCC exceeds the power failure detect volt-

age VPFD, an internal timer keeps RST low for

tREC to allow the power supply to stabilize.

TWO TO FOUR DECODE

The M40Z300/W includes a 2 input (A, B) decoder

which allows the control of up to 4 independent

SRAMs. The Truth Table for these inputs is shown

in Table 3.

Figure 4. Hardware Hookup

AI02395

VCC

E

E1CON

VSS

VOUT

VCC

CMOS

SRAM

3.0V, 3.3V or 5V

THS

A

0.1

µF

0.1

µF

M40Z300

M40Z300W

Threshold

E

B

E2CON

E3CON

E4CON

RST

BL

E

VCC

CMOS

SRAM

0.1

µF

E

VCC

CMOS

SRAM

0.1

µF

E

VCC

CMOS

SRAM

0.1

µF

To Microprocessor

To Battery Monitor Circuit

Số phần tương tự - M40Z300MQ1TR

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	M40Z300MQ1TR	348Kb / 21P	5V or 3V NVRAM Supervisor for Up to 8 LPSRAMs

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	M40SZ100Y	230Kb / 25P	5V or 3V NVRAM supervisor for LPSRAM
	M40SZ100Y	285Kb / 19P	5V or 3V NVRAM SUPERVISOR FOR LPSRAM
	M40SZ100Y	442Kb / 24P	5 V or 3 V NVRAM supervisor for LPSRAM
	M40Z300AV	272Kb / 20P	3V NVRAM Supervisor for Up to 8 LPSRAMs
	M40Z111	107Kb / 15P	5V OR 3V NVRAM SUPERVISOR FOR UP TO TWO LPSRAMs
	M40Z300	221Kb / 25P	5V or 3V NVRAM supervisor for up to 8 LPSRAMs
	M40Z300	348Kb / 21P	5V or 3V NVRAM Supervisor for Up to 8 LPSRAMs
	M40Z111	180Kb / 21P	5V or 3V NVRAM supervisor for up to two LPSRAMs
Gennum Corporation	3374N	171Kb / 9P	Protects up to eight lines
STMicroelectronics	M40Z300	431Kb / 25P	5 V or 3 V NVRAM supervisor for up to 8 LPSRAMs

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