p80c528efp NXP Semiconductors, p80c528efp Datasheet - Page 57

• Manufacturer Part Number: p80c528efp
• Description: 8-bit Microcontrollers
• Manufacturer: NXP Semiconductors

Philips Semiconductors
21.2
See notes 1, 2 and 3.; Cl = 100 pF for Port 0, ALE and PSEN; C
specified.
Notes to the AC Characteristics 16 and 24 MHz versions
1. For the AC Characteristics the following conditions are valid:
2. t
3. The maximum operating frequency is limited to 16/24 MHz and the minimum to 3.5 MHz (all versions Ixx/Exx).
1997 Dec 15
External 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
t
LHLL
AVLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIZ
AVIV
PLAZ
LHLL
AVLL
LLAX
RLRH
WLWH
RLDV
RHDX
RHDZ
LLDZ
AVDV
LLWL
AVWL
WHLH
QVWX
QVWH
WHQX
RLAZ
SYMBOL
8-bit microcontrollers
a) P83C52x EBx: V
b) P83C52x EFx: V
CK
AC Characteristics 24 MHz version
min. = 1/f max. (maximum operating frequency); t
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 time to PSEN
ALE pulse duration
address set-up time to ALE
address hold time after ALE
RD pulse duration
WR pulse duration
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
DD
DD
= 5 V 10%; V
= 5 V 10%; V
PARAMETER
SS
SS
= 0 V; T
= 0 V; T
amb
amb
= 40 to +85 C; t
= 0 to +70 C; t
CK
57
= clock period (see section for timing symbol definitions).
43
17
17
17
80
0
43
17
17
150
150
0
75
92
17
12
162
17
L
MIN.
= 80 pF for all other outputs unless otherwise
24 MHZ
P83C524; P80C528; P83C528
CK
102
65
17
128
10
118
55
183
210
175
67
0
MAX.
CK
min. = 63 ns
min. = 63 ns.
2 t
t
t
t
3 t
0
2 t
t
t
6 t
6 t
0
3 t
4 t
t
t
7 t
t
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
VARIABLE CLOCK
MIN.
25
25
25
25
25
25
30
25
40
45
40
100
100
50
75
130
4 t
3 t
t
5 t
10
5 t
2 t
8 t
9 t
3 t
t
0
CK
CK
Product specification
CK
CK
CK
CK
CK
CK
CK
CK
+ 25
MAX.
25
+50
65
60
80
90
28
150
165
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT