UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 675

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

28.3 DC Characteristics
DC Characteristics (1/6)
(T
Notes 1. Value of current at which the device operation is guaranteed even if the current flows from V
Remark Unless specified otherwise, the characteristics of alternate-function pins are the same as those of port pins.
Output current, high
Output current, low
A
= −40 to +125°C, 4.0 V ≤ V
2. Value of current at which the device operation is guaranteed even if the current flows from an output pin to
3. Specification under conditions where the duty factor is 70% (time for which current is output is 0.7 × t and
Parameter
High level output current and low level current are the spec in Duty = 70% conditions.
pin.
GND.
time for which current is not output is 0.3 × t, where t is a specific time). The total output current of the pins
at a duty factor of other than 70% can be calculated by the following expression.
• Where the duty factor of I
However, the current that is allowed to flow into one pin does not vary depending on the duty factor. A
current higher than the absolute maximum rating must not flow into one pin.
<Example> Where the duty factor is 50%, I
Note3
Note1
I
I
I
I
Total output current of pins = (20.0 × 0.7) / (50 × 0.01) = 28.0 mA
Symbol
OH1
OH2
OL1
OL2
CHAPTER 28 ELECTRICAL SPECIFICATIONS ((A2) products))
Note3
DD
= EV
Per pin for P00, P01, P05, P06, P10 to P17,
P30 to P33, P40 to P43, P50 to P53, P70 to P76,
P120, P130 to P132
Total of pins
P50 to P53, P70 to P76, P130
Total of pins
P132
Total of pins
Per pin for P80 to P87, P90 to P93 AV
Per pin for P121 to P124
Per pin for P00, P01, P05, P06, P10 to P17,
P30 to P33, P40 to P43, P50 to P53, P70 to P76,
P120, P130 to P132
Per pin for P60 to P63
Total of pins
P50 to P53, P60 to P63, P70 to P76, P130
Total of pins
P132
Total of pins
Per pin for P80 to P87, P90 to P93 AV
Per pin for P121 to P124
OH
DD
is n%: Total output current of pins = (I
≤ 5.5 V, V
Note2
Note2
Note2
Note2
Note2
Note2
User’s Manual U17554EJ4V0UD
P05, P06, P10 to P17, P30 to P33,
P00, P01, P40 to P43, P120, P131,
P05, P06, P10 to P17, P30 to P33,
P00, P01, P40 to P43, P120, P131,
SS
Conditions
= EV
OH
= 20.0 mA
SS
= AV
SS
REF
REF
= 0 V)
= V
= V
DD
DD
OH
× 0.7) / (n × 0.01)
MIN.
TYP.
−10.0
−14.0
MAX.
−100
−1.5
−6.0
400
4.0
8.0
DD
20
10
30
to an output
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
μ
μ
A
A
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