p87c453ebaa NXP Semiconductors, p87c453ebaa Datasheet - Page 21

• Manufacturer Part Number: p87c453ebaa
• Description: 80c51 8-bit Microcontroller Family 8k/256 Otp/rom, Expanded I/o
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1998 Apr 23
80C51 8-bit microcontroller family
8K/256 OTP/ROM, expanded I/O
CLOCK SIGNAL
Figure 21. I
(NC)
All other pins are disconnected
V
CC
CC
RST
XTAL2
XTAL1
V
SS
Test Condition, Active Mode
Figure 23. Clock Signal Waveform for I
V
CC
0.45V
ODS
V
IDS
Figure 24. I
All other pins are disconnected. V
CC
–0.5
EA
P0
(NC)
SU00093
I
CC
V
V
V
CC
CC
CC
0.2V
t
CC
CHCL
0.7V
RST
XTAL2
XTAL1
V
CC
Test Condition, Power Down Mode
t
CLCH
SS
CC
–0.1
= t
CHCL
21
t
CLCX
CC
= 5ns
Tests in Active and Idle Modes
t
CLOCK SIGNAL
CLCL
ODS
V
IDS
CC
EA
P0
CC
t
CHCX
= 2V to 5.5V
SU00095
t
CLCH
I
(NC)
Figure 22. I
CC
V
V
V
CC
CC
CC
All other pins are disconnected
SU00009
CC
RST
XTAL2
XTAL1
V
SS
Test Condition, Idle Mode
83C453/87C453
Preliminary specification
ODS
V
IDS
CC
EA
P0
SU00094
I
CC
V
V
V
CC
CC
CC