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STK17TA8-R25I PDF预览

STK17TA8-R25I

更新时间: 2024-11-07 20:30:19
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 时钟双倍数据速率光电二极管外围集成电路
页数 文件大小 规格书
25页 285K
描述
REAL TIME CLOCK, PDSO48, 0.300 INCH, 0.025 INCH PITCH, PLASTIC, SSOP-48

STK17TA8-R25I 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SSOP
包装说明:SOP,针数:48
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.91
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-PDSO-G48
JESD-609代码:e0湿度敏感等级:3
端子数量:48最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):240
认证状态:Not Qualified最大供电电压:3.6 V
最小供电电压:2.7 V标称供电电压:3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子位置:DUAL
处于峰值回流温度下的最长时间:30uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

STK17TA8-R25I 数据手册

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STK17TA8  
nvTimeTM Event Data Recorder  
128K x 8 AutoStoreTM nvSRAM  
With Real-Time Clock  
FEATURES  
DESCRIPTION  
Data Integrity of Simtek nvSRAM Combined  
with Full-Featured Real-Time Clock  
Watchdog Timer  
The Simtek STK17TA8 combines a 1 Mbit nonvola-  
tile static RAM with a full-featured real-time clock in  
a reliable, monolithic integrated circuit. The embed-  
ded nonvolatile elements incorporate Simtek’s  
QuantumTraptechnology producing the world’s  
most reliable nonvolatile memory. The SRAM can  
be read and written an unlimited number of times,  
while independent, nonvolatile data resides in the  
nonvolatile elements.  
Clock Alarm with programmable Interrupts  
Capacitor or battery backup for RTC  
25ns, 35ns and 45ns Access Times  
“Hands-off” Automatic STORE on Power Down  
with only a small capacitor  
STORE to QuantumTrap™ Initiated by  
Software , device pin, or on Power Down  
RECALL to SRAM Initiated by Software or  
Power Up  
Unlimited READ, WRITE and RECALL Cycles  
High-reliability  
o Endurance to 1 Million Cycles  
o Retention to 100 years at 125 ºC  
5mA Typical ICC at 200ns Cycle Time  
Single 3V +20%, -10% Operation  
SSOP and DIP Packages, (ROHS compliant)  
The Real-Time Clock function provides an accurate  
clock with leap year tracking and a programmable,  
high accuracy oscillator. The Alarm function is pro-  
grammable for one-time alarms or periodic seconds,  
minutes, hours, or days. There is also a programma-  
ble Watchdog Timer for process control.  
BLOCK DIAGRAM  
VCC  
VCAP  
Quantum Trap  
1024 X 1024  
A5  
A6  
A7  
A8  
VRTCbat  
VRTCcap  
POWER  
CONTROL  
STORE  
RECALL  
STORE/  
RECALL  
CONTROL  
STATIC RAM  
ARRAY  
1024 X 1024  
A9  
A12  
A13  
A14  
A15  
A16  
HSB  
SOFTWARE  
DETECT  
A15 – A0  
DQ0  
DQ1  
DQ2  
DQ3  
DQ4  
DQ5  
DQ6  
DQ7  
COLUMN I/O  
X1  
COLUMN DEC  
RTC  
X2  
INT  
A0 A1 A2 A3 A4 A10 A11  
A16 – A0  
MUX  
G
E
W
Figure 1. Block Diagram  
April 2005  
1
Document Control #ML0025 rev 1.1  

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