CM120 C-Media Electronics, Inc., CM120 Datasheet - Page 31

• Manufacturer Part Number: CM120
• Description: Usb 7-in-1 Combo Card Reader Controller
• Manufacturer: C-Media Electronics, Inc.

Date: 09/09/2003
Data Setup before IOWR
Data Hold following IOWR
IOWR width Time
Address Setup before IOWR
Address Hold following IOWR
CE Setup before IOWR
CE Hold following IOWR
IOIS16 Delay Falling from Address
IOIS16 Delay Rising from Address
Note:The maximum load on –IOIS16 is 1 LSTTL with 50pF total load. All times are in nanoseconds.
Minimum time from –WAIT high to –IOWR high is 0 nsec, but minimum –IOWR width must still
be met. Din signifies data are provided by the CompactFlash Storage Card or CF+ Card to the
system.
Item
Figure 26: True IDE Mode I/O Write Timing Diagram
Table 10：True IDE Mode I/O Output (Write) Timing
tsu(IOWR)
th(IOWR)
tw(IOWR)
tsuA(IOWR)
thA(IOWR)
tsuCE(IOWR)
thCE(IOWR)
tdfIOIS16(ADR) tAVISL
tdrIOIS16(ADR) tAVISH
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Symbol
USB 7-in-1 Combo Card Reader Controller
tDVIWH
tIWHDX
tAVIWL
tIWHAX
tELIWL
tIWHEH
tIWLIWH
IEEE Symbol
Min ns.
165
60
30
70
20
20
5
Version: 1.3
CM120
Max ns.
35
35