Hitachi DK23EB - Travelstar Series 20 GB Hard Drive Specifications page 105

HSTROBE
at host
DD(15:0)
at host
HSTROBE
at device
DD(15:0)
at device
Note: DD(15:0) and HSTROBE signals are shown at both the device and the host to emphasize that cable
settling time as well as cable propagation delay shall not allow the data signals to be considered stable at the
device until some time after they are driven by the host.
Mode 0(ns) Mode 1(ns) Mode 2(ns) Mode 3(ns) Mode 4(ns) Mode5(ns)
SYMBOL MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
t 112
CYC
t2 230
CYC
t 15
DS
t 5
DH
t 70
DVS
t 6.2
DVH
t 14.7
DSIC
t 4.8
DHIC
t 72.9
DVSIC
t 9
DVHIC
K6602743
Rev.2
02.12.'02
Figure 6-14 Sustained Ultra DMA Write Data
t
CYC
t
t
DVH
DVS
t
DVHIC
t
DVSIC
t
t
DS
DH
t
DSIC
t
DHIC
73 54
153 115
10 7
5 5
48 31
6.2 6.2
9.7 6.8
4.8 4.8
50.9 33.9
9 9
t
2CYC
t
CYC
t
DVH
t
t
DVHIC DVS
t
DVSIC
t
t
DS
DH
t
t
DSIC
DHIC
39 25
86 57
7 5
5 5
20 6.7
6.2 6.2
6.8 4.8
4.8 4.8
22.6 9.5
9 9
- 105 -
t
2CYC
t
DVH
t
DVHIC
t
DH
t
DHIC
Description
16.8 Cycle time allowing for
asymmetry and clock
variation
38 Two cycle time allowing for
clock variation
4 Data setup time at
recipient
4.6 Data hold time at recipient
4.8 Data valid setup time at
sender
4.8 Data valid hold time at
sender
2.3 Recipient IC data setup time
2.8 Recipient IC data hold time
6.0 Sender IC data valid setup
time
6 Sender IC data valid hold
time