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Section 15 Electrical Characteristics
15.1
H8/3855, H8/3856, and H8/3857 Absolute Maximum Ratings
(Standard Specifications)
Table 15.1 shows the absolute maximum ratings.
Table 15.1 Absolute Maximum Ratings
Item
Power supply voltage
Analog power supply voltage
LCD power supply voltage
Programming voltage (FWE)
Input
Except port B and LCD power supply
voltage
Port B
LCD power supply
Operating temperature
Storage temperature
Caution:
Permanent damage may occur to the chip if maximum ratings are exceeded. Normal
operation should be under the conditions specified in Electrical Characteristics.
Exceeding these values can result in incorrect operation and reduced reliability.
Notes: 1. A voltage not lower than V
2. 12 V must not be applied to the FWE pin, as this will permanently damage the device.
3. When the built-in op-amps are not used, and the LCD drive voltages are supplied
directly from an external source, this applies to V1OUT, V2OUT, V3OUT, V4OUT, and
V5OUT.
4. The operating temperature range when programming/erasing flash memory is: T
to +75°C.
15. Electrical Characteristics (H8/3857 Group)
(H8/3857 Group)
Symbol
V
CC
AV
CC
V
LCD
V
in
V
in
AV
in
V
in
T
opr
T
stg
must be applied as LCD power supply voltage V
CC
Value
–0.3 to +7.0
–0.3 to +7.0
–0.3 to +8.0
–0.3 to V
+0.3
CC
–0.3 to V
+0.3
CC
–0.3 to AV
+0.3
CC
–0.3 to V
+0.3
LCD
–20 to +75
–55 to +125
Rev.3.00 Jul. 19, 2007 page 403 of 532
Unit
Notes
V
V
1
V
*
2
V
*
V
V
3
V
*
4
°C
*
°C
.
LCD
= 0°C
a
REJ09B0397-0300
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