DS89C420-ENL MAXIM [Maxim Integrated Products], DS89C420-ENL Datasheet - Page 29

• Manufacturer Part Number: DS89C420-ENL
• Description: Ultra-High-Speed Microcontroller
• Manufacturer: MAXIM [Maxim Integrated Products]

Table 9. PAGE MODE 1, DATA MEMORY CYCLE STRETCH VALUES
(PAGES1:PAGES0 = 01)
Table 10. PAGE MODE 1, DATA MEMORY CYCLE STRETCH VALUES
(PAGES1:PAGES0 = 10)
Table 11. PAGE MODE 2, DATA MEMORY CYCLE STRETCH VALUES
(PAGES1:PAGES0 = 11)
MD2:MD0
MD2:MD0
MD2:MD0
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
STRETCH
STRETCH
STRETCH
CYCLES
CYCLES
CYCLES
10
10
10
0
1
2
3
7
8
9
0
1
2
3
7
8
9
0
1
2
3
7
8
9
RD / WR PULSE WIDTH (IN NUMBER OF OSCILLATOR CLOCKS)
RD / WR PULSE WIDTH (IN NUMBER OF OSCILLATOR CLOCKS)
RD / WR PULSE WIDTH (IN NUMBER OF OSCILLATOR CLOCKS)
4X/2X, CD1,
4X/2X, CD1,
4X/2X, CD1,
CD0 = 100
CD0 = 100
CD0 = 100
0.25
0.75
1.75
2.75
3.75
4.75
5.75
6.75
0.5
0.5
1
2
3
4
5
6
7
1
2
3
4
5
6
7
29 of 58
4X/2X, CD1,
4X/2X, CD1,
4X/2X, CD1,
CD0 = 000
CD0 = 000
CD0 = 000
11.5
13.5
0.5
1.5
3.5
5.5
7.5
9.5
10
12
14
10
12
14
1
2
4
6
8
1
2
4
6
8
4X/2X, CD1,
4X/2X, CD1,
4X/2X, CD1,
CD0 = X10
CD0 = X10
CD0 = X10
11
15
19
23
27
12
16
20
24
28
12
16
20
24
28
1
3
7
2
4
8
2
4
8
4X/2X, CD1,
4X/2X, CD1,
4X/2X, CD1,
CD0 = X11
CD0 = X11
CD0 = X11
12,288
16,384
20,480
24,576
28,672
12,288
16,384
20,480
24,576
28,672
11,264
15,360
19,456
23,552
27,648
2048
4096
8192
1024
3072
7168
2048
4096
8192
DS89C420