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參數(shù)資料
| 型號： | M48T37V-10MH6 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DIODE ZENER SINGLE 300mW 3.3Vz 5mA-Izt 0.0606 5uA-Ir 1 SOT-23 3K/REEL |
| 中文描述： | 3.3 - 5V的256千位的32KB的SRAM x8計時器 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大小： | 128K |
| 代理商： | M48T37V-10MH6 |
M48T37Y, M48T37V
10/20
POWER-ON RESET
The M48T37Y/37V continuously monitors V
CC
.
When V
CC
falls to the power fail detect trip point,
the RSTpulls low (open drain) and remains lowon
power-up for 40ms to 200ms after V
CC
passes
V
PFD
. RST is valid for all V
CC
conditions.The RST
pin is an open drain output and an appropriate re-
sistor to V
CC
should be chosen to control rise time.
PROGRAMMABLE INTERRUPTS
The M48T37Y/37V provides two programmable
interrupts; an alarm and a watchdog. When an in-
terrupt condition occurs, the M48T37Y/37V sets
the appropriate flag bit in the flag register 7FF0h.
The interrupt enable bits in (AFE and ABE) in
7FF6h and the Watchdog Steering (WDS) bit in
7FF7h allow the interrupt to activate the IRQ/FT
pin.
The interrupt flags and the IRQ/FT output are
cleared by a read to the flags register. An interrupt
condition resetwill not occur unless the addresses
are stable at the flag location for at least 15ns
while the device is in the read mode as shown in
Figure 11.
The IRQ/FT pin is an open drain output and re-
quires a pull-up resistor (10k
recommended) to
V
CC
. The pin remains in the high impedance state
unless an interrupt occurs or the frequency test
mode is enabled.
Figure 8. Chip Enable Controlled, Write AC Waveforms
Figure 9. Clock Calibration
AI00927
tAVAV
tEHAX
tDVEH
A0-A14
E
W
DQ0-DQ7
VALID
tAVEH
tAVEL
tAVWL
tELEH
tEHDX
DATA INPUT
AI00594B
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M48T37V-10MH1TR | 3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T39Y-100PM1 | DIODE ZENER SINGLE 500mW 3.3Vz 20mA-Izt 0.05 25uA-Ir 1 SOD-123 3K/REEL |
| M48T39Y-150PM1 | DIODE ZENER SINGLE 200mW 3.3Vz 20mA-Izt 0.05 25uA-Ir 1 SOD-323 3K/REEL |
| M48T39YPM | DIODE ZENER SINGLE 500mW 3.9Vz 20mA-Izt 0.05 10uA-Ir 1 SOD-123 3K/REEL |
| M48T512Y-70PM1 | Shielded Multiconductor Cable; Number of Conductors:5; Conductor Size AWG:24; No. Strands x Strand Size:7 x 32; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper; Temperature Max:80 C RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T37V-10MH6E | 功能描述:實時時鐘 256K (32Kx8) 100ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M48T37V-10MH6F | 功能描述:實時時鐘 256K (32Kx8) 100ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M48T37V-10MH6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37V-70MH1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37V-70MH1E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
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