参数资料
型号: STK17TA8RF25I
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO48
封装: 0.300 INCH, 0.025 INCH PITCH, ROHS COMPLIANT, PLASTIC, SSOP-48
文件页数: 2/27页
文件大小: 712K
代理商: STK17TA8RF25I
STK17TA8
July 2006
Document Control #ML0025 rev 1.4
10
HARDWARE STORE CYCLE
SYMBOLS
STK17TA8
NO.
Standard
Alternate
PARAMETER
MIN
MAX
UNITS
NOTES
31
tDELAY
tHLQZ
Time Allowed to Complete SRAM Cycle
1
s
n
32
tHLHX
Hardware STORE Pulse Width
15
ns
33
tHLBL
Hardware STORE Low to STORE Busy
300
ns
Notes
n: Read and Write cycles in progress before HSB is asserted are given this amount of time to complete.
HARDWARE STORE CYCLE
Soft Sequence Commands
SYMBOLS
STK17TA8
NO.
Standard
PARAMETER
MIN
MAX
UNITS
NOTES
34
tSS
Soft Sequence Processing Time
70
s
o
,p
Notes
o: This is the amount of time that it takes to take action on a soft sequence command. Vcc power must remain high to effectively register command.
p: Commands like Store and Recall lock out I/O until operation is complete which further increases this time. See specific command.
HSB (OUT)
HSB (IN)
DQ (DATA OUT)
HIGH IMPEDENCE
31
tDELAY
DATA VALID
32
tHLHX
33
tHLBL
HIGH IMPEDENCE
DATA VALID
23
tSTORE
Vcc
34
tSS
ADDRESS
ADDRESS #1
Soft Sequence Command
ADDRESS #6
ADDRESS #1
Soft Sequence Command
ADDRESS #6
34
tSS
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