SMC256BFY6E NUMONYX [Numonyx B.V], SMC256BFY6E Datasheet - Page 31

• Manufacturer Part Number: SMC256BFY6E
• Manufacturer: NUMONYX [Numonyx B.V]

SMCxxxBF
Table 22.
1. The maximum load on -IOCS16 is 1 LSTTL with a 50pF total load.
2. t
3. This parameter specifies the time from the falling edge of -IORD to the moment when the data bus is no longer driven by the
4. t
Symbol
t
t
t
t
t
t
t
6Z
2i
or command inactive time. The actual cycle time equals the sum of the actual command active time and the actual
command inactive time. The three timing requirements of t
requirement is greater than the sum of t
ensure that t
Card implementation should support any legal host implementation.
CompactFlash Memory Card (tri-state).
0
2
2
7
8
t
t
t
t
t
t
0
7
(2)
1
(2)
(2)
3
4
5
6
(4)
(4)
9
(2)
(3)
is the minimum total cycle time, t
and t
8
Cycle time (min)
Address Valid to -IORD/-IOWR
setup (min)
-IORD/-IOWR (min)
-IORD/-IOWR (min) Register (8
bit)
-IORD/-IOWR recovery time
(min)
-IOWR data setup (min)
-IOWR data hold (min)
-IORD data setup (min)
-IORD data hold (min)
-IORD data tri-state (max)
Address valid to -IOCS16
assertion (max)
Address valid to -IOCS16
released (max)
-IORD/-IOWR to address valid
hold
apply only to modes 0, 1 and 2. The -IOCS16 signal is not valid for other modes.
True IDE PIO mode Read/Write timing
0
is equal to or greater than the value reported in the device's identify drive data. A CompactFlash Memory
Parameter
2
is the minimum command active time, and t
2
and t
2i
Mode 0 Mode 1 Mode 2 Mode 3 Mode 4 Mode 5 Mode 6 Unit
. This means a host implementation can lengthen either or both t
600
165
290
70
60
30
50
30
90
60
20
5
-
0
, t
383
125
290
50
45
20
35
30
50
45
15
2
5
-
, and t
(1)
2i
240
100
290
have to be met. The minimum total cycle time
30
30
15
20
30
40
30
10
5
-
2i
180
NA
NA
30
80
80
70
30
10
20
30
10
is the minimum command recovery time
5
120
NA
NA
25
70
70
25
20
10
20
30
10
5
Command Interface
100
NA
NA
15
65
65
25
20
15
20
10
5
5
2
NA
NA
80
10
55
55
20
15
10
20
10
5
5
or t
2i
to
31/91
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns