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參數(shù)資料
| 型號(hào)： | M48T513V-85PM1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP36 |
| 封裝： | 0.600 INCH, PLASTIC, MODULE, DIP-36 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大?。?/td> | 134K |
| 代理商： | M48T513V-85PM1 |
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PRELIMINARY DATA
December 1999
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
M48T513Y
M48T513V
3.3V-5V 4 Mbit (512Kb x8) TIMEKEEPER SRAM
s
INTEGRATED ULTRA LOW POWER SRAM,
REAL TIME CLOCK, POWER-FAIL CONTROL
CIRCUIT, BATTERY, and CRYSTAL
s
YEAR 2000 COMPLIANT
s
BCD CODED CENTURY, YEAR, MONTH,
DAY, DATE, HOURS, MINUTES, and
SECONDS
s
BATTERY LOW WARNING FLAG
s
AUTOMATIC POWER-FAIL CHIP DESELECT
and WRITE PROTECTION
s
TWO WRITE PROTECT VOLTAGES:
(VPFD = Power-fail Deselect Voltage)
– M48T513Y: 4.2V
≤ VPFD ≤ 4.5V
– M48T513V: 2.7V
≤ VPFD ≤ 3.0V
s
CONVENTIONAL SRAM OPERATION;
UNLIMITED WRITE CYCLES
s
SOFTWARE CONTROLLED CLOCK
CALIBRATION for HIGH ACCURACY
APPLICATIONS
s
10 YEARS of DATA RETENTION and CLOCK
OPERATION in the ABSENCE of POWER
s
SELF CONTAINED BATTERY and CRYSTAL
in DIP PACKAGE
s
MICROPROCESSOR POWER-ON RESET
(Valid even during battery back-up mode)
s
PROGRAMMABLE ALARM OUTPUT ACTIVE
in BATTERY BACK-UP MODE
DESCRIPTION
The M48T513Y/V TIMEKEEPER RAM is a 512Kb
x 8 non-volatile static RAM and real time clock,
with programmable alarms and a watchdog timer.
The special DIP package provides a fully integrat-
ed battery back-up memory and real time clock so-
lution. The M48T513Y/V directly replaces industry
standard 512Kb x 8 SRAM. It also provides the
non-volatility of Flash without any requirement for
special write timing or limitations on the number of
writes that can be performed.
The 36 pin 600 mil DIP Hybrid houses a controller
chip, SRAM, quartz crystal, and a long life lithium
button cell in a single package.
Figure 1. Logic Diagram
AI02308
19
A0-A18
DQ0-DQ7
VCC
M48T513Y
M48T513V
G
VSS
8
E
W
RST
IRQ/FT
RSTIN
WDI
36
1
PMLDIP36 (PM)
Module
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T513VPM | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513VSH | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513Y | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513Y-70CS1 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
| M48T513Y-70PM1 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM |
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