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| 83C453 Datasheet, PDF (21/26 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 8K/256 OTP/ROM, expanded I/O | |||
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Philips Semiconductors
80C51 8-bit microcontroller family
8K/256 OTP/ROM, expanded I/O
Preliminary specification
83C453/87C453
VCC
RST
(NC)
CLOCK SIGNAL
XTAL2
XTAL1
VSS
VCC
ICC
VCC
VCC
P0
EA
VCC
IDS
ODS
SU00093
Figure 21. ICC Test Condition, Active Mode
All other pins are disconnected
VCC
ICC
VCC
RST
VCC
(NC)
CLOCK SIGNAL
XTAL2
XTAL1
P0
EA
VCC
VSS
IDS
ODS
SU00094
Figure 22. ICC Test Condition, Idle Mode
All other pins are disconnected
VCCâ0.5
0.45V
0.7VCC
0.2VCCâ0.1
tCHCL
tCLCX
tCHCX
tCLCH
tCLCL
SU00009
Figure 23. Clock Signal Waveform for ICC Tests in Active and Idle Modes
tCLCH = tCHCL = 5ns
RST
(NC)
XTAL2
XTAL1
VSS
VCC
ICC
VCC
VCC
P0
EA
VCC
IDS
ODS
SU00095
Figure 24. ICC Test Condition, Power Down Mode
All other pins are disconnected. VCC = 2V to 5.5V
1998 Apr 23
21
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