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DS1321 датащи(PDF) 7 Page - Dallas Semiconductor

номер детали DS1321
подробное описание детали  Flexible Nonvolatile Controller with Lithium Battery Monitor
PDF  12 Pages
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производитель  DALLAS [Dallas Semiconductor]
домашняя страница  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1321 датащи(HTML) 7 Page - Dallas Semiconductor

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DS1321
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CAPACITANCE
(tA =25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
( CEI *, TOL, MODE)
CIN
7pF
Output Capacitance
( CEO *, BW , RST )
COUT
7pF
AC ELECTRICAL CHARACTERISTICS
(-40°C to +85°C; VCCI
≥ V
CCTP)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CEI
to CEO Propagation Delay
tPD
12
20
ns
CE
Pulse Width
tCE
1.5
µs
11
VCC Valid to End of
Write Protection
tREC
125
ms
9
VCC Valid to CEI Inactive
tPU
2ms
VCC Valid to RST Inactive
tRPU
150
200
350
ms
10
VCC Valid to BW Valid
tBPU
1s
10
AC ELECTRICAL CHARACTERISTICS
(-40°C to +85°C; VCCI < VCCTP)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
VCC Slew Rate
tF
150
µs
VCC Fail Detect to RST Active
tRPD
15
µs
10
VCC Slew Rate
tR
15
µs
AC ELECTRICAL CHARACTERISTICS
(-40°C to +85°C; VCCI
≥ V
CCTP)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Battery Test to BW Active
tBW
1s
10
Battery Test Cycle-Normal
tBTCN
24
hr
Battery Test Cycle-Warning
tBTCW
5s
Battery Test Pulse Width
tBTPW
1s
Battery Detach to Battery Attach
tBDBA
7s
Battery Attach to BW Inactive
tBABW
1s
10



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