P80C562 Philips Semiconductors, P80C562 Datasheet - Page 43

• Manufacturer Part Number: P80C562
• Description: 8-bit microcontroller
• Manufacturer: Philips Semiconductors

Philips Semiconductors
21 AC CHARACTERISTICS
Parameters are valid over operating temperature range and operating supply voltage range unless otherwise specified.
C
Note
1. t
1997 Apr 08
Program memory
t
t
t
t
t
t
t
t
t
t
t
External data memory
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
LL
AL
LA
LIV
LC
CC
CIV
CI
CIF
AIV
AFC
RR
WW
AL
LA
RD
DR
DFR
LD
AD
LW
AW
WHLH
DWX
DW
WD
AFR
L
SYMBOL
8-bit microcontroller
= 100 pF for Port 0, ALE and PSEN; C
CLK
= 1/f
osc
ALE pulse duration
address set-up time to ALE
address hold time after ALE
time from ALE to valid instruction input
time from ALE to control pulse PSEN
control pulse duration PSEN
time from PSEN to valid instruction input
input instruction hold time after PSEN
input instruction float delay after PSEN
address to valid instruction input
address float delay after PSEN
RD pulse duration
WR pulse duration
address set-up time to ALE
address hold time after ALE
RD to valid data input
data hold time after RD
data float delay after RD
time from ALE to valid data input
address to valid data input
time from ALE to RD or WR
time from address to RD or WR
time from RD or WR HIGH to ALE HIGH
data valid to WR transition
data set-up time before WR
data hold time after WR
address float delay after RD
= one oscillator clock period. If f
PARAMETER
L
= 80 pF for all other outputs unless specified. See Figs 23 to 25.
osc
= 16 MHz then t
43
CLK
85
8
28
23
143
0
275
275
8
28
0
138
120
23
3
288
13
f
MIN.
OSC
= 62.5 ns.
= 16 MHz
150
83
38
208
10
148
55
350
398
238
103
0
MAX.
2t
t
t
t
3t
0
6t
6t
t
t
0
3t
4t
t
t
7t
t
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
P83C562; P80C562
CLK
CLK
CLK
CLK
CLK
CLK
CLK
f
MIN.
OSC
55
35
40
55
35
40
60
50
45
100
100
40
50
130
150
= VARIABLE
Product specification
4t
3t
t
5t
10
5t
2t
8t
9t
3t
t
0
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
MAX.
+ 40
+ 50
25
100 ns
105 ns
105 ns
165 ns
150 ns
165 ns
70
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT