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參數(shù)資料
型號(hào): 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(yè)數(shù): 30/45頁(yè)
文件大小: 1842K
代理商: W86L488
Preliminary W86L488
Publication Release Date: February 5, 2004
- 27 -
Revision 0.82
8.4 Digital Characteristics
PARAMETER
CONDITION SYMBOL
MIN.
TYP
MAX.
UNITS
NOTES
1 Output High Voltage
2mA load
V
OH
V
OL
0.9
V
DD
1
2 Output Low Voltage
2mA sink
0.1
V
DD
1
3 Output High Voltage at SD4
output
3mA load
V
OH
0.9
V
DD
4 Output Low Voltage at SD4
output
3mA sink
V
OL
0.1
V
DD
5 High Level Input Voltage
V
IH
0.7
V
DD
6 Low Level Input Voltage
V
IL
0.3
V
DD
7 Input Current
Iin
1
μ
A
8 Input Capacitance
Cin
10
pF
: Typical figure are at V
DVDD
= 3.3V and temperature = 25
°
C and are for design aid only, not
guaranteed and not subject to production testing.
Notes:
1: All output pins except SD4 output.
8.5 Timing Characteristics
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNITS
NOTES
Clock (figure 8-1)
1
XTI
fXTI
1
-
20
MHz
1
2
XTI high pulse width
tXTI
wh
10
-
-
nS
1
3
XTI low pulse width
tXTI
wl
10
-
-
nS
1
4
XTI rise time
tXTI
r
-
-
5
nS
1
5
XTI fall time
tXTI
f
-
-
5
nS
1
6
XTO delay time
tXTO
d
-
-
5
nS
2
7
XTI crystal driver
fXTI
3.58
-
25
MHz
3
8
HCLK frequency
fHCLK
1
-
40
MHz
9
HCLK high pulse width
tHCLK
wh
10
-
-
nS
10 HCLK low pulse width
tHCLK
wl
10
-
-
nS
11 HCLK rise time
tHCLK
I
-
-
5
nS
12 HCLK fall time
tHCLK
f
-
-
5
nS
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