| PART |
Description |
Maker |
| DS12885 DS12885N DS12885Q DS12885QN DS12885S DS128 |
Real-time clock, 14 bytes of clock and control registers, 114 bytes of general purpose RAM
Real-Time Clock 实时时钟
|
MAXIM - Dallas Semiconductor
Dallas Semiconducotr
Maxim Integrated Products, Inc.
|
| DS14287 DS14285N DS14285Q DS14285S DS14285STR DS14 |
Real-Time Clock with NV RAM
|
Dallas Semiconductor
|
| MC146818A |
REAL-TIME CLOCK PLUS RAM(RTC)
|
Motorola
|
| DS1643-70 DS1643P DS1643P-100 DS1643P-70 DS16431 |
Nonvolatile Timekeeping RAM
Real-Time Clock
|
MAXIM - Dallas Semiconductor
|
| DS1554W-120 DS1554W-150 DS1554P-70 DS1554WP-120 DS |
256K NV Y2KC Timekeeping RAM 256K内存时钟非易失Y2KC
256k Nonvolatile, Y2K-Compliant Timekeeping RAM 0 TIMER(S), REAL TIME CLOCK
|
http://
Maxim Integrated Products, Inc.
Dallas Semiconducotr
|
| CDP68HC68T1 CDP68HC68T1D CDP68HC68T1E CDP68HC68T1M |
From old datasheet system
CMOS Serial Real-Time Clock With RAM and Power Sense/Control
|
INTERSIL[Intersil Corporation]
|
| RS5C372A RS5C372A-E2NBSP RS5C372ANBSP |
I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs
RS5C372A/B 12CBUS Serial Interface Real Time Clock ICs Application Manual
IC,REAL-TIME CLOCK,CMOS,SSOP,8PIN,PLASTIC
|
Ricoh Corp
RICOH[RICOH electronics devices division]
|
| DS1688 DS1688S DS1691 |
3 Volt/5 Volt Serialized Real Time Clock with NV RAM Control
|
DALLAS[Dallas Semiconducotr]
MAXIM - Dallas Semiconductor
|
| ISL120291012 ISL12029AIB27Z ISL12029AIV27Z ISL1202 |
Real Time Clock/Calendar with I2C Bus and EEPROM
Real Time Clock/Calendar with EEPROM 1 TIMER(S), REAL TIME CLOCK, PDSO14
|
Intersil Corporation
Intersil, Corp.
|
| R2033T-E2 R2033K-E2 |
3 wire interface Real-Time Clock ICs 0 TIMER(S), REAL TIME CLOCK, PDSO10
|
Ricoh Co., Ltd.
|
