Table 20-2 DC Characteristics (cont)
Sym- Measurement
Item bol Min Typ Max Unit Conditions
Current dissipation Normal operation I
CC – 20 30 mA f = 6 MHz
– 25 40 mA f = 8 MHz
– 30 50 mA f = 10 MHz
Sleep mode – 12 20 mA f = 6 MHz
– 16 25 mA f = 8 MHz
– 20 30 mA f = 10 MHz
Standby – 0.01 5.0 µA T
a ≤ 50°C
– – 20 µA T
a > 50°C
Analog supply During A/D AI
CC – 1.2 2.0 mA
current conversion
While waiting – 0.01 5.0 µA
RAM standby voltage V
RAM 2.0 – – V
*2 Current dissipation values assume that V
IH min = VCC – 0.5V, VIL max = 0.5V, all output pins are
in the no-load state, and all MOS input pull-ups are off.
Table 20-3 Allowable Output Current Sink Values
Conditions: VCC = 5.0V ±10%, AVCC = 5.0V ±10%, VSS = AVSS = 0V,
Ta = –20 to +75˚C (Regular Specifications)
Ta = –40 to +85˚C (Wide-Range Specifications)
Item Symbol Min Typ Max Unit
Allowable output Low Port 4 I
OL ––10mA
current sink (per pin) Other output pins – – 2.0 mA
Allowable output Low Port 4, total of 8 pins Σ I
OL ––40mA
current sink (total) Total of all other – – 80 mA
output pins
Allowable output High All output pins –I
OH – – 2.0 mA
current sink (per pin)
Allowable output High Total of all output Σ –I
OH ––25mA
current sink (total) pins
Note: To avoid degrading the reliability of the chip, be careful not to exceed the output current sink
values in table 20-3. In particular, when driving a Darlington transistor pair or LED directly,
be sure to insert a current-limiting resistor in the output path. See figures 20-1 and 20-2.
*2
321
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