8XC51_8XC52 NXP Semiconductors, 8XC51_8XC52 Datasheet - Page 29

• Manufacturer Part Number: 8XC51_8XC52
• Description: The Philips 80C51/87C51/80C52/87C52 is a high-performancestatic 80C51 design fabricated with Philips high-density CMOStechnology with operation from 2
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 Aug 07
80C51 8-bit microcontroller family
4 K/8 K OTP/ROM low voltage (2.7 V–5.5 V),
low power, high speed (33 MHz), 128/256 B RAM
CLOCK SIGNAL
Figure 22. I
(NC)
All other pins are disconnected
V
CC
CC
RST
XTAL2
XTAL1
V
Test Condition, Active Mode
SS
Figure 24. Clock Signal Waveform for I
V
CC
0.45V
All other pins are disconnected. V
Figure 25. I
–0.5
V
EA
P0
CC
SU00719
(NC)
I
CC
V
V
CC
CC
0.2V
t
CC
CHCL
0.7V
CC
Test Condition, Power Down Mode
t
CLCH
CC
RST
XTAL2
XTAL1
V
–0.1
SS
= t
CHCL
29
t
CLCX
CC
= 5ns
Tests in Active and Idle Modes
t
CLCL
CLOCK SIGNAL
CC
V
EA
P0
CC
t
= 2 V to 5.5 V
CHCX
t
CLCH
SU00016
Figure 23. I
I
(NC)
CC
V
V
All other pins are disconnected
80C51/87C51/80C52/87C52
CC
CC
SU00009
CC
RST
XTAL2
XTAL1
V
Test Condition, Idle Mode
SS
V
Product specification
P0
EA
CC
SU00720
I
CC
V
V
CC
CC