FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 153

• Manufacturer Part Number: FDC37C672QFP
• Description: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
• Manufacturer: SMSC Corporation

Enhanced Super I/O Controller with Fast IR
Datasheet
SMSC FDC37C672
NAME
t10
t11
t12
t13
t14
t15
t16
t1
t2
t3
t4
t5
t6
t7
t8
t9
(DO-D7)
FDRQ,
PDRQ
nDACK
nIOW
DATA
nIOR
AEN
nDACK Delay Time from FDRQ High
DRQ Reset Delay from nIOR or nIOW
FDRQ Reset Delay from nDACK Low
nDACK Width
nIOR Delay from FDRQ High
nIOW Delay from FDRQ High
Data Access Time from nIOR Low
Data Set Up Time to nIOW High
Data to Float Delay from nIOR High
Data Hold Time from nIOW High
nDACK Set Up to nIOW/nIOR Low
nDACK Hold after nIOW/nIOR High
TC Pulse Width
AEN Set Up to nIOR/nIOW
AEN Hold from nDACK
TC Active to PDRQ Inactive
TC
or
t14
t1
t6
t5
Figure 21.9 - DMA Timing (Burst Transfer Mode)
DESCRIPTION
t11
DATASHEET
DATA VALID
Page 153
t3
t4
t16
t2
MIN
150
10
10
60
40
10
40
10
0
0
0
5
t7
t13
t8
DATA VALID
TYP
t12
t10
t9
MAX
t15
100
100
100
100
60
Rev. 10-29-03
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns