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AB18X5-RTC 数据表(PDF) 27 Page - Abracon Corporation

部件名 AB18X5-RTC
功能描述  Baseline timekeeping features
PDF  37 Pages
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制造商  ABRACON [Abracon Corporation]
网页  https://abracon.com
标志 ABRACON - Abracon Corporation

AB18X5-RTC 数据表(HTML) 27 Page - Abracon Corporation

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AB18X5 Real-Time Clock with Power
Management Family
Date of Issue: October 16, 2014
3.0 x 3.0 mm
Page 27 of 37
Abracon Drawing #453568
Revision: C
Table 12: SPI AC Electrical Parameters
SYMBOL
PARAMETER
VCC
MIN
TYP
MAX
UNIT
fSCL
SCL input clock frequency
1.7V–3.6V
0.01
2
MHz
tLOW
Low period of SCL clock
1.7V–3.6V
200
ns
tHIGH
High period of SCL clock
1.7V–3.6V
200
ns
tRISE
Rise time of all signals
1.7V–3.6V
1
µs
tFALL
Fall time of all signals
1.7V–3.6V
1
µs
tSU:NCE
nCE low setup time to SCL
1.7V–3.6V
200
ns
tHD:NCE
nCE hold time to SCL
1.7V–3.6V
200
ns
tSU:CE
nCE high setup time to SCL
1.7V–3.6V
200
ns
tSU:SDI
SDI setup time
1.7V–3.6V
40
ns
tHD:SDI
SDI hold time
1.7V–3.6V
50
ns
tSU:SDO
SDO output delay from SCL
1.7V–3.6V
150
ns
tHD:SDO
SDO output hold from SCL
1.7V–3.6V
0
ns
tHZ
SDO output Hi-Z from nCE
1.7V–3.6V
250
ns
tBUF
nCE high time before a new transmission
1.7V–3.6V
200
ns



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