Hitachi DK23EB - Travelstar Series 20 GB Hard Drive Specifications page 97

Read Data Valid
DIOR-/DIOW-
IORDY
SYMBOL
t
A
t
B
t
RD
t
B
CS0-/CS1-
DMARQ
DMACK-
DIOR-/DIOW-
Write Data Valid *3
Read Data Valid *3
*3 Data Consists DD(15:0)
SYMBOL
t
0
t
D
t
E
t
F
K6602743
Rev.2
02.12.'02
Figure 6-5 IORDY Timing
Description
IORDY Setup Time
IORDY Pulse Width
Read Data Valid to IORDY active
IORDY assertion to release
Figure 6-7 Multi-word DMA Data Transfer Timing(Mode 2)
t
M
t
t
I
t
E
Description
Cycle Time
DIOR- /DIOW- Pulse Width
DIOR- Data Access
DIOR- Data Hold
t
RD
t
t
B
A
MIN(ns)
t
0
t
L
t
D
K
t
t
H
Gw
t
t
Gr
F
- 97 -
t
C
MAX(ns)
35
1250
0
5
t
N
t
t
Z
J
MIN(ns) MAX(ns)
120
70
50
5