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| 80C451 Datasheet, PDF (17/22 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O | |||
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Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, expanded I/O
Product specification
80C451/83C451/87C451
VCC
RST
(NC)
CLOCK SIGNAL
XTAL2
XTAL1
VSS
VCC
ICC
VCC
VCC
P0
EA
VCC
IDS
ODS
SU00093
Figure 14. 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 15. 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 16. 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 17. ICC Test Condition, Power Down Mode
All other pins are disconnected. VCC = 2V to 5.5V
1998 May 01
17
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