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M48T212A-85MH1TR中文資料意法半導(dǎo)體數(shù)據(jù)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(chǎn)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(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
24+ |
3000 |
公司存貨 |
詢價 | ||||
ST |
24+ |
SSOP44 |
16500 |
進口原裝正品現(xiàn)貨 |
詢價 | ||
ST/意法 |
24+ |
SOH |
6819 |
原裝現(xiàn)貨假一賠十 |
詢價 | ||
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 | ||
STM |
24+ |
原廠封裝 |
28500 |
授權(quán)代理直銷,原廠原裝現(xiàn)貨,假一罰十,特價銷售 |
詢價 | ||
ST/意法 |
24+ |
SMD |
9600 |
原裝現(xiàn)貨,優(yōu)勢供應(yīng),支持實單! |
詢價 | ||
ST |
18+ |
SSOP44 |
85600 |
保證進口原裝可開17%增值稅發(fā)票 |
詢價 | ||
ST |
2447 |
SOP44 |
100500 |
一級代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨,長期排單到貨 |
詢價 | ||
ST/意法 |
2022+ |
SSOP44 |
30000 |
進口原裝現(xiàn)貨供應(yīng),原裝 假一罰十 |
詢價 | ||
ST |
24+ |
原廠原封 |
6523 |
進口原裝公司百分百現(xiàn)貨可出樣品 |
詢價 |
