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UPD72012 bảng dữ liệu(PDF) 22 Page - NEC

tên linh kiện UPD72012
Giải thích chi tiết về linh kiện  HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
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Data Sheet S13918EJ3V0DS
µPD72012
3. ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings
Parameter
Symbol
Conditions
Rating
Unit
Power supply voltage
VDD
–0.5 to +4.6
V
USB buffer
UD0, UD1, D10 to D50, D11 to D51
–0.5 to +4.6
V
Clock input buffer
X1, CLK/X2
–0.5 to +6.6
V
5 V Schmitt input buffer
RST, CS1 to CS5
–0.5 to +6.6
V
Input voltage
VI
5 V input buffer
CLKSEL, PSSEL, PVSEL
–0.5 to +4.6
V
USB buffer
UD0, UD1, D10 to D50, D11 to D51
–0.5 to +4.6
V
Open drain output buffer
PP1 to PP5
–0.5 to +6.6
V
Output voltage
VO
5 V output buffer
OSL
–0.5 to +6.6
V
Output current
IO
100
mA
Operating ambient temperature
TA
0 to +70
°C
Storage temperature
Tstg
–65 to +150
°C
Caution
Product quality may suffer if the absolute maximum rating is exceeded even momentarily for
any parameter. That is, the absolute maximum ratings are rated values at which the product is
on the verge of suffering physical damage, and therefore the product must be used under
conditions that ensure that the absolute maximum ratings are not exceeded.
Recommended Operating Conditions (TA = 0 to +70
°°°°C)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Power supply voltage
VDD
3.0
3.3
3.6
V
High level input voltage
VIH
2.0
VDD
V
Low level input voltage
VIL
USB pin
UD0, UD1, D10 to D50, D11 to D51
00.8
V
High level input voltage
VIH
2.3
5.5
V
Low level input voltage
VIL
5 V Schmitt input pin
RST, CS1 to CS5
00.8
V
Input rise time for RST
tr
0.3 V to 2.7 V
10
ms
High level input voltage
VIH
2.0
5.5
V
Low level input voltage
VIL
5 V input pin
CLKSEL, PSSEL, PVSEL
00.8
V
High level input voltage
VIH
2.3
5.5
V
Low level input voltage
VIL
Clock input pin (at 48 MHz input)
X1, CLK/X2
00.8
V
Oscillator input (+100 ppm)
48.00
MHz
Clock input frequency
fCK
Oscillator input (+50 ppm)
4.0
MHz



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