FDC37C669-MT View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
Manufacturer
FDC37C669-MT
SMSC -> Microchip
FDC37C669-MT Datasheet PDF : 162 Pages
| |||
AX
SD<7:0>
n IOW
IO CH RDY
nWR ITE
PD<7: 0>
n DATAST
nADDRSTB
nWAIT
t 17
t8
t 10
t 13
t 20
t1
t 16
t3
t 14
t 15
t6
t 18
t9
t 12
t 19
t 11
t2
t5
t4
t7
Parameter
min
max
units
Not es
t1
nIOW Ass ertedt o PDATA Valid
t2
nWAIT As sert ed to nWRITE Change
t3
nWR ITE to Command As sert ed
t4
nWAI T Deass erted to Command Deasserted
t5
nWAI T Asserted t o PD ATA Inv alid
t6
TimeO ut
t7
Command D easserted to nWAIT Asserted
t8
SDATA Valid to IOW As sert ed
t9
nIOW Deasserted to DATA Inv alid
t 10
nIOW Ass ertedt o IOC HRDY As sert ed
t 11
WAI T Deass er ted to nI OCH RDY Deas sert ed
t 12
I OCH RDY Deassert ed to nIOW Deas sert ed
t 13
nIOW Asserted to nW RITE As sert ed
t 14
nWAIT As sert ed to Command As sert ed
t 15
Command Asserted to nWAIT Deas sert ed
t 16
PDATA Valid to Command As sert ed
t 17
Ax Valid t o nIO W As sert ed
t 18
nIOW Deas ser ted to Ax Inv alid
t 19
nIOW Deasserted to nIOW or nIOR Asserted
t 20
nWA IT Ass er tedt o nWR ITE Ass erted
0
50
ns
60
1 85
ns
1
5
35
ns
60
1 90
ns
1
0
ns
1
10
12
µs
0
ns
10
ns
0
ns
0
24
ns
60
1 60
ns
1
10
ns
0
70
ns
60
2 10
ns
1
0
10
µs
10
ns
40
ns
10
ns
40
ns
60
1 85
ns
1
1. WAIT must be filt er ed to compens at ef or ringing on the paralle l bus cable. WAIT is considered to have settled aft er it
does not t ransition for a minimum of 50 ns ec.
FIGURE 15 - EPP 1.9 DATA OR ADDRESS WRITE CYCLE
151
|
|
Share Link: