參數(shù)資料
型號(hào)： M48T02
廠商： 意法半導(dǎo)體
英文描述： 16 Kbit (2Kb x8) TIMEKEEPER SRAM(16K位非易失性計(jì)時(shí)靜態(tài)RAM)
中文描述： 16千位（2KB的× 8）計(jì)時(shí)器的SRAM（16K的位非易失性計(jì)時(shí)靜態(tài)內(nèi)存）
文件頁(yè)數(shù)： 1/15頁(yè)
文件大?。?/td> 92K
代理商： M48T02
M48T02
M48T12
16 Kbit (2Kb x8) TIMEKEEPER
SRAM
November 1998
1/15
INTEGRATED ULTRALOW POWER SRAM,
REALTIME CLOCKand POWER-FAIL
CONTROLCIRCUIT
BYTEWIDE
RAM-LIKECLOCK ACCESS
BCD CODED YEAR, MONTH, DAY, DATE,
HOURS, MINUTES and SECONDS
TYPICALCLOCKACCURACY of
±
1 MINUTE
a MONTH, AT25
°
C
SOFTWARE CONTROLLED CLOCK
CALIBRATIONfor HIGH ACCURACY
APPLICATIONS
AUTOMATICPOWER-FAILCHIPDESELECTand
WRITEPROTECTION
WRITEPROTECT VOLTAGES
(V
PFD
= Power-fail DeselectVoltage):
– M48T02: 4.5V
≤
V
PFD
≤
4.75V
– M48T12: 4.2V
≤
V
PFD
≤
4.5V
SELF-CONTAINED BATTERYand CRYSTAL
in the CAPHAT DIP PACKAGE
PIN and FUNCTION COMPATIBLEwith
JEDECSTANDARD 2Kb x8 SRAMs
DESCRIPTION
The M48T02/12TIMEKEEPER
RAM is a 2Kb x8
non-volatile static RAM and real time clock which
is pin and functionalcompatiblewith the DS1642.
A special 24 pin 600mil DIP CAPHAT
package
housestheM48T02/12siliconwitha quartzcrystal
and a long life lithium button cell to form a highly
integratedbatterybacked-upmemoryandrealtime
clocksolution.
AI01027
11
A0-A10
W
DQ0-DQ7
VCC
M48T02
M48T12
G
VSS
8
E
Figure 1. LogicDiagram
A0-A10
Address Inputs
DQ0-DQ7
Data Inputs / Outputs
E
Chip Enable
G
Output Enable
W
Write Enable
V
CC
Supply Voltage
V
SS
Ground
Table1. SignalNames
24
1
PCDIP24 (PC)
Battery/Crystal CAPHAT
相關(guān)PDF資料
PDF描述
M48T08(中文) 64Kb (8K x 8) TIMEKEEPER SRAM(64K位 TIMEKEEPER SRAM)
M48T128Y 3.3V-5V 1Mbit (128Kb x 8) Timekeeper SRAM(1Mb TIMERKEEPEER SRAM)
M48T129V 3.3V-5V 1Mb (128K x 8) Timekeeper SRAM(1Mb TIMERKEEPEER SRAM)
M48T129Y 3.3V-5V 1Mb (128K x 8) Timekeeper SRAM(1Mb TIMERKEEPEER SRAM)
M48T18 64Kb (8K x 8) TIMEKEEPER SRAM(64K位 TIMEKEEPER SRAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T02_03 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER㈢ SRAM
M48T02_07 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER SRAM
M48T02_10 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER? SRAM
M48T02-120PC1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CMOS 8K x 8 TIMEKEEPER SRAM
M48T02-150PC1 功能描述:實(shí)時(shí)時(shí)鐘 16K (2Kx8) 150ns 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
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