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| 80C550 Datasheet, PDF (21/28 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer | |||
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Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
Product specification
80C550/83C550/87C550
VCC
RST
(NC)
CLOCK SIGNAL
XTAL2
XTAL1
VSS
VCC
VCC
ICC
VCC
P0
EA
P1
SU00202
Figure 13. ICC Test Condition, Active Mode
All other pins are disconnected
RST
(NC)
CLOCK SIGNAL
XTAL2
XTAL1
VSS
VCC
ICC
VCC
VCC
P1
P0
EA
SU00203
Figure 14. 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 15. Clock Signal Waveform for ICC Tests in Active and Idle Modes
tCLCH = tCHCL = 5ns
RST
(NC)
XTAL2
XTAL1
VSS
VCC
ICC
VCC
P1
P0
EA
VCC
SU00204
Figure 16. ICC Test Condition, Power Down Mode
All other pins are disconnected.
VCC = 2V to 5.5V.
1998 May 01
21
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