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80C528 Datasheet, PDF (14/26 Pages) NXP Semiconductors – CMOS single-chip 8-bit microcontroller | |||
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Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Product specification
80C528/83C528
AC ELECTRICAL CHARACTERISTICS1, 2
16MHz CLOCK
VARIABLE CLOCK
SYMBOL FIGURE
PARAMETER
MIN
MAX
MIN
MAX
1/tCLCL
1
tLHLL
1
tAVLL
1
tLLAX
1
tLLIV
1
tLLPL
1
tPLPH
1
tPLIV
1
tPXIX
1
tPXIZ
1
tAVIV
1
tPLAZ
1
Data Memory
Oscillator frequency
ALE pulse width
Address valid to ALE low
Address hold after ALE low
ALE low to valid instruction in
ALE low to PSEN low
PSEN pulse width
PSEN low to valid instruction in
Input instruction hold after PSEN
Input instruction float after PSEN
Address to valid instruction in
PSEN low to address float
1.2
16
85
2tCLCLâ40
8
tCLCLâ55
28
tCLCLâ35
150
4tCLCLâ100
23
tCLCLâ40
143
3tCLCLâ45
83
3tCLCLâ105
0
0
38
tCLCLâ25
208
5tCLCLâ105
10
10
tRLRH
2, 3
tWLWH
2, 3
tRLDV
2, 3
tRHDX
2, 3
tRHDZ
2, 3
tLLDV
2, 3
tAVDV
2, 3
tLLWL
2, 3
tAVWL
2, 3
tQVWX
2, 3
tWHQX
2, 3
tRLAZ
2, 3
tWHLH
2, 3
External Clock
RD pulse width
WR pulse width
RD low to valid data in
Data hold after RD
Data float after RD
ALE low to valid data in
Address to valid data in
ALE low to RD or WR low
Address valid to WR low or RD low
Data valid to WR transition
Data hold after WR
RD low to address float
RD or WR high to ALE high
275
6tCLCLâ100
275
6tCLCLâ100
148
5tCLCLâ165
0
0
55
2tCLCLâ70
350
8tCLCLâ150
398
9tCLCLâ165
138
238
3tCLCLâ50
3tCLCL+50
120
4tCLCLâ130
3
tCLCLâ60
13
tCLCLâ50
0
0
23
103
tCLCLâ40
tCLCL+40
tCHCX
6
tCLCX
6
tCLCH
6
tCHCL
6
Shift Register
High time
Low time
Rise time
Fall time
20
20
20
20
20
20
20
20
tXLXL
4
Serial port clock cycle time
750
12tCLCL
tQVXH
4
Output data setup to clock rising edge
492
10tCLCLâ133
tXHQX
4
Output data hold after clock rising edge
8
2tCLCLâ117
tXHDX
4
Input data hold after clock rising edge
0
0
tXHDV
4
Clock rising edge to input data valid
492
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.
10tCLCLâ133
UNIT
MHz
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
ns
ns
ns
ns
ns
1995 Feb 02
14
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