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 44. ICC Test Condition, Active Mode
VCC
ICC
VCC
VCC
P0
VCC
RST EA
(NC)
CLOCK
SIGNAL
XTAL2
XTAL1
VSS
All other pins are disconnected.
Figure 45. ICC Test Condition, Idle Mode
VCC
ICC
VCC
VCC
P0
RST EA
(NC)
CLOCK
SIGNAL
XTAL2
XTAL1
VSS
All other pins are disconnected.
Figure 46. ICC Test Condition, Power-down Mode
VCC
ICC
VCC
VCC
P0
RST EA
(NC)
XTAL2
XTAL1
VSS
All other pins are disconnected.
Figure 47. Clock Signal Waveform for ICC Tests in Active and Idle Modes
VCC-0.5V
0.45V
0.7VCC
0.2VCC-0.1
TCHCL
TCLCH
TCLCH = TCHCL = 5ns.
108 AT89C51RB2/RC2
4180B–8051–04/03