參數(shù)資料
型號： STK17TA8RF25I
元件分類： 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述： REAL TIME CLOCK, PDSO48
封裝： 0.300 INCH, 0.025 INCH PITCH, ROHS COMPLIANT, PLASTIC, SSOP-48
文件頁數(shù)： 19/27頁
文件大?。?/td> 712K
代理商： STK17TA8RF25I
STK17TA8
July 2006
Document Control #ML0025 rev 1.4
26
Document Revision History
Revision
Date
Summary
0.0
February 2003
Publish new datasheet
0.1
March 2003
Remove 525 mil SOIC, Add 48 Pin SSOP and 40 Pin DIP packages; Modified Block
Diagram in AutoStore description section
0.2
June 2003
Modify 600 mil DIP pin-out (switch pins 32 and 33), Update Power-up Recall specs,
Update Software Controlled Store/Recall Cycle, Added Hardware Store Description,
Modified Mode Selection Table, Updated VSWITCH, Updated tSTORE, Modify IBAK and VBAK
0.3
February 2004
Change part number from STK17CA8 to STK17TA8; Add lead-free finish option
1.0
December 2004
Parameter
Old Value
New Value
Notes
Vcap Min
10F
17 F
tVCCRISE
NA
150 s
New Spec
ICC1 Max Com.
35 mA
50 mA
@ 45ns access
ICC1 Max Com.
40 mA
55 mA
@ 35ns access
ICC1 Max Com.
50 mA
65 mA
@ 25ns access
ICC1 Max Ind.
35 mA
55 mA
@ 45ns access
ICC1 Max Ind.
45 mA
60 mA
@ 35ns access
ICC1 Max Ind.
55 mA
70 mA
@ 25ns access
ICC2 Max
1.5 mA
3.0 mA
Com. & Ind.
ICC4 Max
0.5 mA
3 mA
Com & Ind.
tHRECALL
5 ms
20 ms
tSTORE
10 ms
12.5 ms
tRECALL
20 s
40 s
tGLQV
10 ns
12 ns
@ 25 ns access
1.1
April 2005
Changed RTC register unused bits “X” to require zero “0” value when writing values.
1.2
September 2005
Removed Plastic DIP 40 pin package offering. Package type “W”.
Parameter
Old Value
New Value
Notes
ICC3 Max Com.
5 mA
10 mA
ICC3 Max Ind.
5 mA
10 mA
ISB Max Com.
3 mA
ISB Max Ind.
3 mA
tRECALL
40 s
60 s
Soft Recall
tSTORE
12.5 ms
15 ms
Industrial Grade
Only
Max. STORE
Cycles
1x10
6
5x10
5
Contact Simtek for
details.
tOSCS
1 min
10 sec
@ MIN
Temperature
tOSCS
10 sec
5 sec
@ 25C from
Power up
C1
2.2 pF
0 pF
RTC Output Cap.
C2
47 pF
56 pF
RTC Input Cap
1.3
December 2005
Discontinued 35 ns speed grade option.
Parameter
Old Value
New Value
Notes
tRECALL
60 s
100 s
Soft Recall
tSS
Undefined
70 s
New Spec
DATAR
100 Years at
Unspecified
Temperature
20 Years @ Max
Temperature
Data Retention
New Specification
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參數(shù)描述
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STK17TA8-RF25IL 制造商:Cypress Semiconductor 功能描述:
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STK17TA8-RF25TR 功能描述:NVRAM 128Kbx8+RTC 2.7-3.6V RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube
STK17TA8-RF35 制造商:SIM 功能描述:
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