English
Language : 

80C562 Datasheet, PDF (10/20 Pages) NXP Semiconductors – Single-chip 8-bit microcontroller
Philips Semiconductors
Single-chip 8-bit microcontroller
Product specification
80C562/83C562
AC ELECTRICAL CHARACTERISTICS1, 2
12MHz CLOCK
VARIABLE CLOCK
SYMBOL FIGURE
PARAMETER
MIN
MAX
MIN
MAX
1/tCLCL
2
tLHLL
2
tAVLL
2
tLLAX
2
tLLIV
2
tLLPL
2
tPLPH
2
tPLIV
2
tPXIX
2
tPXIZ
2
tAVIV
2
tPLAZ
2
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
127
2tCLCL–40
28
tCLCL–55
48
tCLCL–35
234
4tCLCL–100
43
tCLCL–40
205
3tCLCL–45
145
3tCLCL–105
0
0
59
tCLCL–25
312
5tCLCL–105
10
10
tAVLL
3, 4
Address valid to ALE low
43
tCLCL–35
tRLRH
3
RD pulse width
400
6tCLCL–100
tWLWH
4
WR pulse width
400
6tCLCL–100
tRLDV
3
RD low to valid data in
252
tRHDX
3
Data hold after RD
0
0
tRHDZ
3
Data float after RD
97
tLLDV
3
ALE low to valid data in
517
tAVDV
3
Address to valid data in
585
tLLWL
3, 4
ALE low to RD or WR low
200
300
3tCLCL–50
tAVWL
3, 4
Address valid to WR low or RD low
203
4tCLCL–130
tQVWX
4
Data valid to WR transition
23
tCLCL–60
tDW
4
Data before WR
433
7tCLCL–150
tWHQX
4
Data hold after WR
33
tCLCL–50
tRLAZ
3
RD low to address float
0
tWHLH
3, 4
RD or WR high to ALE high
43
123
tCLCL–40
External Clock
tCHCX
tCLCX
tCLCH
tCHCL
5
High time3
5
Low time3
5
Rise time3
5
Fall time3
20
20
20
20
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.
3. These values are characterized but not 100% production tested.
5tCLCL–165
2tCLCL–70
8tCLCL–150
9tCLCL–165
3tCLCL+50
0
tCLCL+40
20
20
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
1992 Jan 08
10