參數(shù)資料
型號(hào)： M48T18
廠商： 意法半導(dǎo)體
英文描述： 64Kb (8K x 8) TIMEKEEPER SRAM(64K位 TIMEKEEPER SRAM)
中文描述： 64Kb的（8K的× 8）計(jì)時(shí)器的SRAM（64K的位計(jì)時(shí)器的SRAM）
文件頁(yè)數(shù)： 1/30頁(yè)
文件大小： 257K
代理商： M48T18
July 2007
Rev 8
1/30
1
M48T08
M48T08Y, M48T18
5V, 64Kbit (8 Kb x 8) TIMEKEEPER
SRAM
Features
■
Integrated ultra low power sram, real time
clock, power-fail control circuit, and battery
■
BYTEWIDE RAM-like clock access
■
BCD coded year, month, day, date, hours,
minutes, and seconds
■
Typical clock accuracy of ±1 minute a month, at
25°C
■
Automatic power-fail chip deselect and write
protection
■
Write protect
V
PFD
= Power-fail deselect voltage):
– M48T08: V
CC
= 4.75 to 5.5V
4.5V
≤
V
PFD
≤
4.75V
– M48T18/T08Y: V
CC
= 4.5 to 5.5V
4.2V
≤
V
PFD
≤
4.5V
■
Software controlled clock calibration for high
accuracy applications
■
Self-contained battery and crystal in the
CAPHAT dip package
■
Packaging includes a 28-lead SOIC and
SNAPHAT
top (to be ordered separately)
■
SOIC package provides direct connection for a
snaphat top which contains the battery and
crystal
■
Pin and function compatible with DS1643 and
JEDEC standard 8K x8 SRAMs
■
RoHS compliant
– Lead-free second level interconnect
28
1
PCDIP28 (PC)
battery/crystal
CAPHAT
28
1
SNAPHAT (SH)
battery/crystal
SOH28 (MH)
相關(guān)PDF資料
PDF描述
M48T08Y 64Kb (8K x 8) TIMEKEEPER SRAM(64K位 TIMEKEEPER SRAM)
M48T35Y 256 Kbit (32Kb x 8) ZEROPOWER SRAM(256K位零功耗靜態(tài)RAM)
M48T37Y 3.3V-5V 256Kbit (32Kb x8) Timekeeper SRAM(256K位(32K x 8) Timekeeper 靜態(tài)RAM)
M48T37V 3.3V-5V 256Kbit (32Kb x8) Timekeeper SRAM(256K位(32K x 8) Timekeeper 靜態(tài)RAM)
M48T39Y 256Kb (32K x 8) Timekeeper SRAM(256K位(32K x 8) Timekeeper 靜態(tài)RAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T18-100MH1 功能描述:RAM其它 8KX8 TIMEKEEP 100NS RoHS:否 制造商:Freescale Semiconductor 封裝:Tray
M48T18-100MH1E 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM
M48T18-100MH1F 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM
M48T18-100MH1TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM
M48T18-100PC1 功能描述:實(shí)時(shí)時(shí)鐘 64K (8Kx8) 100ns 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
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。