M4T28-BR12SH (STMicroelectronics)
Real-time clock and TIMEKEEPER SNAPHAT battery
M4T28-BR12SH M4T32-BR12SH
Real-time clock and TIMEKEEPER® SNAPHAT® battery with crystal
Datasheet - production data
SNAPHAT® battery with crystal
De
(41 views)
M48T512Y (ST Microelectronics)
4 Mbit (512 Kbit x 8) TIMEKEEPER SRAM
M48T512Y M48T512V
5.0 or 3.3 V, 4 Mbit (512 Kbit x 8) TIMEKEEPER® SRAM
Not recommended for new design
Features
■ Integrated ultra low power SRAM, r
(35 views)
MK45T02B15 (ST Microelectronics)
CMOS 2K x 8 TIMEKEEPER SRAM
(35 views)
MK45T02B25 (ST Microelectronics)
CMOS 2K x 8 TIMEKEEPER SRAM
(34 views)
M48T59Y (ST Microelectronics)
64 Kbit 8Kb x8 TIMEKEEPER SRAM
M48T59 M48T59Y/M48T59V
64 Kbit (8Kb x8) TIMEKEEPER® SRAM
PRELIMINARY DATA
s
INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRC
(34 views)
M48T02 (ST Microelectronics)
16Kbit (2 Kb x 8) TIMEKEEPER SRAM
M48T02 M48T12
5.0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER® SRAM
Features
■ Integrated, ultra low power SRAM, real-time clock, and power-fail control circuit
(33 views)
M48T12 (ST Microelectronics)
16Kbit (2 Kb x 8) TIMEKEEPER SRAM
M48T02 M48T12
5.0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER® SRAM
Features
■ Integrated, ultra low power SRAM, real-time clock, and power-fail control circuit
(33 views)
MK45T02B12 (ST Microelectronics)
CMOS 2K x 8 TIMEKEEPER SRAM
(33 views)
HMNR328D (Hanbit Electronics)
TIMEKEEPER NVSRAM
www.DataSheet4U.com
HANBit
HMNR328D(V)
5.0 or 3.3V, 256K bit (32 Kbit x 8) TIMEKEEPER NVSRAM Part No. HMNR328D(V)
GENERAL DESCRIPTION The HMNR328D(
(33 views)
M48T08Y (STMicroelectronics)
64 Kbit 8Kb x 8 TIMEKEEPER SRAM
M48T08 M48T08Y, M48T18
5 V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM
Features
■ Integrated ultra low power SRAM, real-time clock, power-fail control circu
(32 views)
MK45T02B20 (ST Microelectronics)
CMOS 2K x 8 TIMEKEEPER SRAM
(32 views)
PC8374T (National Semiconductor)
Safe Keeper Desktop Trusted l/O
www.DataSheet4U.com
PC8374T SafeKeeper Desktop TrustedI/O
PRODUCT BRIEF
August 2004 Revision 1.1
PC8374T SafeKeeper Desktop TrustedI/O
General D
(32 views)
DS1284 (Dallas Semiconductor)
(DS1284 / DS1286) Watchdog Timekeepers
DS1284/DS1286 Watchdog Timekeepers
www.maxim-ic.com
GENERAL DESCRIPTION
The DS1284/DS1286 watchdog timekeepers are self-contained real-time clocks, a
(32 views)
MK48T02 (ST Microelectronics)
CMOS 2K x 8 TIMEKEEPER SRAM
(31 views)
MK48T08 (ST Microelectronics)
(MK48T08 / MK48T18) CMOS 8K x 8 Timekeeper SRAM
w
w
a D . w
S a t
e e h
U 4 t
m o .c
w
w
w
.D
t a
S a
e h
t e
U 4
.c
m o
w
w w
.D
at
h S a
t e e
4U
.
m o c
(31 views)
DS1283 (Dallas Semiconductor)
Watchdog Timekeeper Chip
DS1283
DS1283 Watchdog Timekeeper Chip
FEATURES
PIN ASSIGNMENT
INTA X1 X2 NC A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28
(31 views)
DS1284 (Dallas Semiconductor)
(DS1284 / DS1286) Watchdog Timekeepers
DS1284/DS1286 Watchdog Timekeepers
www.maxim-ic.com
GENERAL DESCRIPTION
The DS1284/DS1286 watchdog timekeepers are self-contained real-time clocks, a
(31 views)
AN925 (STMicroelectronics)
Time Update in STs TIMEKEEPER Devices
AN925 APPLICATION NOTE
Time Update in ST’s TIMEKEEPER Devices
Figure 1 shows how the non-volatile, static memory array and the quartz controlled cloc
(30 views)
M48T201V (ST Microelectronics)
3.3V-5V TIMEKEEPER CONTROLLER
M48T201Y M48T201V
5.0 or 3.3 V TIMEKEEPER® supervisor
Features
■ Converts low power SRAM into NVRAMs
■ Year 2000 compliant
■ Battery low flag
■ Integ
(30 views)
MK48T87 (ST Microelectronics)
CMOS 64 x 8 Address / Data Multiplexed Timekeeper SRAM
w
w
a D . w
S a t
e e h
U 4 t
m o .c
w
w
w
.D
t a
S a
e h
t e
U 4
.c
m o
w
w w
at .D
h S a
t e e
4U
.
m o c
(30 views)