If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test conditions.
7. For other values, please contact your sales office.
8. Icc Flash Write operation current while an on-chip flash page write is on going.
Figure 46. ICC Test Condition, Active Mode
VCC
ICC
VCC
VCC
P0
VCC
RST
EA
(NC)
CLOCK
SIGNAL
XTAL2
XTAL1
VSS
All other pins are disconnected.
All other pins are disconnected.
All other pins are disconnected.
Figure 47. ICC Test Condition, Idle Mode
VCC
ICC
VCC
P0
VCC
RST
EA
XTAL2
XTAL1
VSS
(NC)
CLOCK
SIGNAL
Figure 48. ICC Test Condition, Power-down Mode
VCC
ICC
VCC
P0
EA
VCC
RST
(NC)
XTAL2
XTAL1
VSS
Figure 49. Clock Signal Waveform for ICC Tests in Active and Idle Modes
VCC-0.5V
0.7VCC
0.2VCC-0.1
0.45V
TCLCH
TCHCL
TCLCH = TCHCL = 5ns.
110
AT89C51RB2/RC2
4180E–8051–10/06
ATMEL [ ATMEL ]
