參數(shù)資料
型號: USB97C223
廠商: SMSC Corporation
英文描述: capacitor Selection for Internal Regulator Output Pins
中文描述: 電容的選擇內(nèi)部穩(wěn)壓器輸出引腳
文件頁數(shù): 55/59頁
文件大?。?/td> 385K
代理商: USB97C223
SMSC DS – USB97C201
Page 55
Rev. 03/25/2002
PRELIMINARY
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
I/O8 Type Buffer
Low Output Level
H
IGH
O
UTPUT
L
EVEL
Output Leakage
V
OL
V
OH
I
OL
2.4
-10
0.4
+10
V
V
μA
I
OL
= 8 mA @
V
DDIO
= 3.3V
I
OH
= -4 mA @
V
DDIO
= 3.3V
V
IN
= 0 to
V
DDIO
(Note 1)
I/O12 Type Buffer
Low Output Level
High Output Level
Output Leakage
V
OL
V
OH
I
OL
2.4
-10
0.4
+10
V
V
μA
I
OL
= 12 mA @
V
DDIO
= 3.3V
I
OH
= -6mA @ V
DDIO
= 3.3V
V
IN
= 0 to V
DDIO
(Note 1)
I/O20 Type Buffer
Low Output Level
High Output Level
Output Leakage
V
OL
V
OH
I
OL
2.4
-10
0.4
+10
V
V
μA
I
OL
= 20 mA @
V
DDIO
= 3.3V
I
OH
= -5 mA @ V
DDIO
= 3.3V
V
IN
= 0 to V
DDIO
(Note 1)
IO-U
Note 2
Supply Current Unconfigured
I
CCINIT
TBD
TBD
TBD
mA
@
V
DD
= 2.5V
Supply Current Active
Supply Current Standby
I
CC
I
CSBY
60
100
mA
μ
A
@
V
DD
= 2.5V
@
V
DD
= 2.5V
Note 1:
Output leakage is measured with the current pins in high impedance.
Note 2:
See Appendix A for USB DC electrical characteristics.
CAPACITANCE T
A
= 25°C; fc = 1MHz;
V
DD
=
2.5V
LIMITS
TYP
PARAMETER
SYMBOL
C
IN
C
IN
C
OUT
MIN
MAX
20
10
20
UNIT
pF
pF
pF
TEST CONDITION
All pins except USB pins
(and pins under test tied
to AC ground)
Clock Input Capacitance
Input Capacitance
Output Capacitance
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