
Philips Semiconductors
Preliminary specification
80C453/83C453/87C453
CMOS single-chip 8-bit microcontrollers
1996 Aug 15
3-325
AC ELECTRICAL CHARACTERISTICS
(Continued)
16MHz CLOCK
VARIABLE CLOCK
SYMBOL
FIGURE
PARAMETER
MIN
MAX
MIN
MAX
UNIT
Port 6 output
t
OLOH
t
FVDV
t
OLDV
t
OHDZ
t
OVFV
t
FLDV
t
OHFH
External Clock
13
ODS width
209
3t
CLCL
+20
ns
14
SEL to data out delay
85
85
ns
13
ODS to data out delay
80
80
ns
13
ODS to data float delay
35
35
ns
13
ODS to AFLAG (OBF) delay
100
100
ns
13
PE to data out delay
120
120
ns
14
ODS to AFLAG (SEL) delay
100
100
ns
t
CHCX
t
CLCX
t
CLCH
t
CHCL
NOTES:
1. Parameters are valid over operating temperature range unless otherwise specified.
2. Load capacitance for port 0, ALE, and PSEN = 100pF, load capacitance for all other outputs = 80pF.
17
High time
20
20
ns
17
Low time
20
20
ns
17
Rise time
20
20
ns
17
Fall time
20
20
ns