FDC37C78-HT View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
FDC37C78-HT Datasheet PDF : 82 Pages
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nCS
DRQ,
nDACK
nIOR
or
nIOW
DATA
(DO-D7)
TC
t15
t16
t3
t2
t1
t14
t11
t6
t5
t4
t12
t8
t7
t13
t10
t9
DATA VALID
Parameter
min typ
t1 nDACK Delay Time from DRQ High
0
t2 DRQ Reset Delay from nIOR or nIOW
t3 DRQ Reset Delay from nDACK Low
t4 nDACK Width
150
t5 nIOR Delay from DRQ High
0
t6 nIOW Delay from DRQ High
0
t7 Data Access Time from nIOR Low
t8 Data Set Up Time to nIOW High
40
t9 Data to Float Delay from nIOR High
10
t10 Data Hold Time from nIOW High
10
t11 nDACK Set Up to nIOW/nIOR Low
5
t12 nDACK Hold After nIOW/nIOR High
10
t13 TC Pulse Width
60
t14 nCS Set Up to nIOR/nIOW
40
t15 nCS Hold from nDACK
10
t16 TC Active to DRQ Inactive
FIGURE 5 - DMA TIMING
max
100
100
100
60
100
units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
77
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