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參數資料
型號: W86L488
廠商: WINBOND ELECTRONICS CORP
英文描述: SD/ SDIO/ MMC MEMORY CARD BRIDGE
中文描述: SD / SDIO記憶/ MMC記憶卡橋
文件頁數: 32/45頁
文件大小: 1842K
代理商: W86L488
Preliminary W86L488
Publication Release Date: February 5, 2004
- 29 -
Revision 0.82
8.5. Timing Characteristics, continued
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Serial Interface Signals (figure 8-6, 8-7, 8-8, 8-9)
1
SD3 output delay
tSD3
d
tSD3D
su
tSD3
h
tSDn
d
tSDn
su
tSDn
h
5
-
15
nS
2
2
SD3 input setup time
10
-
-
nS
3
SD3 input hold time
5
-
-
nS
4
SD1, SD2, SD5, SD6 output delay time
*
-
-
30
nS
2
5
SD1, SD2, SD5, SD6 input setup time
10
-
-
nS
6
SD1, SD2, SD5, SD6 input hold time
5
-
-
nS
Note 1: External clock input.
Note 2: 20 pF output loading.
Note 3: Crystal driver.
Note 4: Minimum active pulse width of (XCSN and XRDN) or (XCSN and XWRHN and XWRLN).
Note 5: 40 pF output loading.
Note 6: From the last active signal of XCSN or XRDN.
Note 7: From the first in-active signal of XCSN or XRDN.
Note 8: To the first in-active signal of XCSN, XWRHN or XWRLN, XWRHN or XWRLN related to the
D[15:8] or D[7:0].
Note 9: From the first in-active signal of XCSN, XWRHN or XWRLN, XWRHN or XWRLN related to
the D[15:8] or D[7:0].
Note 10: XCSN, XASN, XRWN and XBE[1:0] signals.
Fig. 8-1 Timing Characteristic of XTI, XTO and HCKI.
HCKI
XTI
XTO
tXTO
d
tXTI
wh
tXTI
wl
tXTI
f
tXTI
r
tHCKI
wh
wl
tHCKI
tHCKI
f
tHCKI
r
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