80C453 Datasheet, PDF (15/23 Pages) NXP Semiconductors – CMOS single-chip 8-bit microcontrollers

Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Preliminary specification
80C453/83C453/87C453
AC ELECTRICAL CHARACTERISTICS (Continued)
16MHz CLOCK
VARIABLE CLOCK
SYMBOL FIGURE
PARAMETER
MIN
MAX
MIN
MAX
Port 6 output
t_OLOH
13
t_FVDV
14
t_OLDV
13
t_OHDZ
13
t_OVFV
13
t_FLDV
13
t_OHFH
14
External Clock
ODS width
SEL to data out delay
ODS to data out delay
ODS to data float delay
ODS to AFLAG (OBF) delay
PE to data out delay
ODS to AFLAG (SEL) delay
209
3t_CLCL+20
85
85
80
80
35
35
100
100
120
120
100
100
t_CHCX
17 High time
20
20
t_CLCX
17 Low time
20
20
t_CLCH
17 Rise time
20
20
t_CHCL
17 Fall time
20
20
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.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1996 Aug 15
3-325