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DS1680 Datasheet(PDF) 20 Page - Dallas Semiconductor

Part # DS1680
Description  Portable System Controller with Touch-Screen Control
PDF  23 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1680 Datasheet(HTML) 20 Page - Dallas Semiconductor

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DS1680
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POWER-FAIL AND RESET CHARACTERISTICS
(0ºC to +70ºC; VCC = 3.3V ± 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
PFI Low to PFO Low
tPFD
200
ns
PFI High to PFO High
tPFU
200
ns
VCC Detect to RST (VCC Falling)
tRPD
200
ns
VCC Detect to RST (VCC Rising)
tRPU
250
ms
15, 16
Reset Active Time
tRST
250
ms
15
Pushbutton Debounce
PBDB
250
ms
15
ST
Pulse Width
tST
40
ns
Chip-Enable Propagation Delay to
External SRAM
tCED
8
15
ns
VCCTP(MAX) to VCCSW(MIN) Fall Time
tFB
50
µs
20
PARALLEL INTERFACE OUTPUT TIMING Figure 9
X,
HIGH
AIN0,
HIGH
X,
LOW
AIN0,
LOW
Y,
HIGH
Y,
LOW
PEN_SELECT
D0 - D7
COEN
OUT_SELECT
BHE
AIN1,
LOW
AIN1,
LOW
tOEZ
tOEA
tMUX
tMUX
tMUX
tMUX
tMUX
t MUX
tMUX



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