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M48T58-70PC1TR PDF预览

M48T58-70PC1TR

更新时间: 2024-11-13 22:46:43
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 计时器或实时时钟微控制器和处理器外围集成电路静态存储器光电二极管双倍数据速率
页数 文件大小 规格书
17页 137K
描述
64 Kbit 8Kb x8 TIMEKEEPER SRAM

M48T58-70PC1TR 技术参数

生命周期:Active零件包装代码:DIP
包装说明:DIP,针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.22
最大时钟频率:0.032 MHz外部数据总线宽度:8
信息访问方法:PARALLEL, DIRECT ADDRESSJESD-30 代码:R-PDIP-T28
长度:39.625 mm端子数量:28
计时器数量:片上数据RAM宽度:8
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not QualifiedRAM(字数):8184
座面最大高度:9.65 mm最大压摆率:50 mA
最大供电电压:5.5 V最小供电电压:4.75 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL宽度:15.24 mm
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

M48T58-70PC1TR 数据手册

 浏览型号M48T58-70PC1TR的Datasheet PDF文件第2页浏览型号M48T58-70PC1TR的Datasheet PDF文件第3页浏览型号M48T58-70PC1TR的Datasheet PDF文件第4页浏览型号M48T58-70PC1TR的Datasheet PDF文件第5页浏览型号M48T58-70PC1TR的Datasheet PDF文件第6页浏览型号M48T58-70PC1TR的Datasheet PDF文件第7页 
M48T58  
M48T58Y  
®
64 Kbit (8Kb x8) TIMEKEEPER SRAM  
INTEGRATED ULTRA LOW POWER SRAM,  
REAL TIME CLOCK, POWER-FAIL CONTROL  
CIRCUIT and BATTERY  
BYTEWIDE RAM-LIKE CLOCK ACCESS  
SNAPHAT (SH)  
Battery/Crystal  
BCD CODED YEAR, MONTH, DAY, DATE,  
HOURS, MINUTES and SECONDS  
FREQUENCY TEST OUTPUT for REAL TIME  
CLOCK  
AUTOMATIC POWER-FAIL CHIP DESELECT and  
WRITE PROTECTION  
WRITE PROTECT VOLTAGES  
28  
28  
1
(VPFD = Power-fail Deselect Voltage):  
1
– M48T58: 4.5V VPFD 4.75V  
– M48T58Y: 4.2V VPFD 4.5V  
SELF-CONTAINED BATTERY and CRYSTAL  
in the CAPHAT DIP PACKAGE  
PCDIP28 (PC)  
Battery/Crystal  
CAPHAT  
SOH28 (MH)  
PACKAGING INCLUDES a 28-LEAD SOIC  
and SNAPHAT® TOP  
(to be Ordered Separately)  
Figure 1. Logic Diagram  
SOIC PACKAGE PROVIDES DIRECT  
CONNECTION for a SNAPHAT TOP which  
CONTAINS the BATTERY and CRYSTAL  
PIN and FUNCTION COMPATIBLE with  
JEDEC STANDARD 8K x 8 SRAMs  
V
CC  
DESCRIPTION  
The M48T58/58Y TIMEKEEPER® RAM is an 8K x  
8 non-volatile static RAM and real time clock. The  
monolithic chip is available in two special packages  
to provide a highly integrated battery backed-up  
memory and real time clock solution.  
13  
8
A0-A12  
DQ0-DQ7  
W
E1  
E2  
G
M48T58  
M48T58Y  
Table 1. Signal Names  
FT  
A0-A12  
DQ0-DQ7  
FT  
Address Inputs  
Data Inputs / Outputs  
Frequency Test Output (Open Drain)  
Chip Enable 1  
E1  
E2  
Chip Enable 2  
G
Output Enable  
V
SS  
AI01374B  
W
Write Enable  
VCC  
VSS  
Supply Voltage  
Ground  
July 1999  
1/17  

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