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M48T212A-85MH1TR中文資料意法半導體數據手冊PDF規(guī)格書
M48T212A-85MH1TR規(guī)格書詳情
DESCRIPTION
The M48T212A is a self-contained device that includes a real time clock (RTC), programmable alarms, a watchdog timer, and two external chip enable outputs which provide control of up to four (two in parallel) external low-power static RAMs.
■ CONVERTS LOW POWER SRAM into NVRAMs
■ YEAR 2000 COMPLIANT (4-Digit Year)
■ USES SUPER CAPACITOR or LITHIUM BATTERY (User Supplied)
■ BATTERY LOW FLAG
■ INTEGRATED REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT
■ AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION
■ WATCHDOG TIMER
■ WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage):
– M48T212A: 2.7V ≤ VPFD ≤ 3.0V
■ MICROPROCESSOR POWER-ON RESET
■ PROGRAMMABLE ALARM OUTPUT ACTIVE in the BATTERY BACKED-UP MODE
產品屬性
- 型號:
M48T212A-85MH1TR
- 制造商:
STMICROELECTRONICS
- 制造商全稱:
STMicroelectronics
- 功能描述:
3.3V TIMEKEEPER CONTROLLER
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
ST |
2020+ |
SSOP |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
ST/意法 |
22+ |
SSOP44 |
100000 |
代理渠道/只做原裝/可含稅 |
詢價 | ||
ST |
09+ |
SOH44 |
26 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價 | ||
ST/意法 |
23+ |
NA/ |
5523 |
原裝現貨,當天可交貨,原型號開票 |
詢價 | ||
ST/意法 |
24+ |
SOH |
6819 |
原裝現貨假一賠十 |
詢價 | ||
ST |
18+ |
SSOP44 |
85600 |
保證進口原裝可開17%增值稅發(fā)票 |
詢價 | ||
ST |
24+ |
原廠原封 |
6523 |
進口原裝公司百分百現貨可出樣品 |
詢價 | ||
STMicroelect |
23+ |
44-SOH |
53039 |
詢價 | |||
ST/意法 |
21+ |
SSOP44 |
2000 |
百域芯優(yōu)勢 實單必成 可開13點增值稅發(fā)票 |
詢價 | ||
ST |
2016+ |
SSOP44 |
6528 |
只做原廠原裝現貨!終端客戶個別型號可以免費送樣品! |
詢價 |