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18 PRELIMINARY
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Figure 5. I
PD
Test Condition, Powerdown Mode, V
CC
= 2.0 – 5.5V
Figure 6. I
CC
vs. Frequency (Mhz)
A4208-01
V
CC
V
CC
V
CC
I
PD
P0
EA#
XTAL1
V
SS
XTAL2
RST
8XC251SA
8XC251SB
8XC251SP
8XC251SQ
(NC)
All other 8XC251SA/SB/SP/SQ pins are unconnected.
A4400-01
70
60
50
40
30
20
10
0
21 345678910 16
Frequency at XTAL (MHz)
11 12 13 14 15
typ Active mode (mA)
max Active mode (mA)
max Idle mode (mA)
typ Idle mode (mA)
I
CC
(mA)