Rainbow Electronics AT89C4051 - Manual (Page 15)

15
AT89C4051
1001D–06/01
Power-Down Mode Notes: 1. XTAL1 tied to GND for I
CC
(power-down)
2. P.1.0 and P1.1 = V
CC
or GND
3. Lock bits programmed
AT89C4051
TYPICAL ICC - ACTIVE (85˚C)
0
5
10
15
20
0 6 12 18 24
FREQUENCY (MHz)
I
C
C
m
A
Vcc=6.0V
Vcc=5.0V
Vcc=3.0V
AT89C4051
TYPICAL ICC - IDLE (85˚C)
0
1
2
3
0 3 6 9 12
FREQUENCY (MHz)
I
C
C
m
A
Vcc=6.0V
Vcc=5.0V
Vcc=3.0V
AT89C4051
TYPICAL ICC vs. VOLTAGE- POWER DOWN (85˚C)
0
5
10
15
20
3.0V 4.0V 5.0V 6.0V
Vcc VOLTAGE
I
C
C
µ
A