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HD6475328CG Datasheet, PDF (330/459 Pages) Hitachi Semiconductor – Manual Gives a Hardware Description | |||
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Table 20-2 DC Characteristics (cont)
Sym-
Measurement
Item
bol Min Typ Max Unit Conditions
Current dissipation*2 Normal operation ICC
â
20 30 mA f = 6 MHz
â
25 40 mA f = 8 MHz
â
30 50 mA f = 10 MHz
Sleep mode
â
12 20 mA f = 6 MHz
â
16 25 mA f = 8 MHz
â
20 30 mA f = 10 MHz
Standby
â
0.01 5.0 µA Ta ⤠50°C
â
â
20 µA Ta > 50°C
Analog supply
During A/D
AICC â
1.2 2.0 mA
current
conversion
While waiting
â
0.01 5.0 µA
RAM standby voltage
VRAM 2.0 â
âV
*2 Current dissipation values assume that VIH min = VCC â 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 = â20 to +75ËC (Regular Specifications)
Ta = â40 to +85ËC (Wide-Range Specifications)
Item
Symbol Min Typ Max Unit
Allowable output Low Port 4
IOL
â
â
10
mA
current sink (per pin) Other output pins
â
â
2.0
mA
Allowable output Low Port 4, total of 8 pins Σ IOL
â
â
40
mA
current sink (total)
Total of all other
â
â
80
mA
output pins
Allowable output High All output pins
âIOH
â
â
2.0
mA
current sink (per pin)
Allowable output High Total of all output
Σ âIOH
â
â
25
mA
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.
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