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87C550 Datasheet(PDF) 21 Page - NXP Semiconductors

Part # 87C550
Description  80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
PDF  28 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

87C550 Datasheet(HTML) 21 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
80C550/83C550/87C550
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
1998 May 01
21
VCC
P0
EA
RST
XTAL1
XTAL2
VSS
VCC
VCC
VCC
ICC
(NC)
CLOCK SIGNAL
P1
SU00202
Figure 13. ICC Test Condition, Active Mode
All other pins are disconnected
VCC
P0
EA
RST
XTAL1
XTAL2
VSS
VCC
VCC
ICC
(NC)
CLOCK SIGNAL
P1
SU00203
Figure 14. ICC Test Condition, Idle Mode
All other pins are disconnected
VCC–0.5
0.45V
0.7VCC
0.2VCC–0.1
tCHCL
tCLCL
tCLCH
tCLCX
tCHCX
SU00009
Figure 15. Clock Signal Waveform for ICC Tests in Active and Idle Modes
tCLCH = tCHCL = 5ns
VCC
P0
EA
RST
XTAL1
XTAL2
VSS
VCC
VCC
ICC
(NC)
P1
SU00204
Figure 16. ICC Test Condition, Power Down Mode
All other pins are disconnected.
VCC = 2V to 5.5V.



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