參數(shù)資料
型號(hào): CM2400-03HB
廠商: California Micro Devices Corporation
英文描述: Universal Serial Bus Transceiver with Level Translator
中文描述: 通用串行總線收發(fā)器電平轉(zhuǎn)換
文件頁(yè)數(shù): 6/14頁(yè)
文件大小: 179K
代理商: CM2400-03HB
2004 California Micro Devices Corp. All rights reserved.
6
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
Tel: 408.263.3214
Fax: 408.263.7846
www.calmicro.com
08/24/04
CM2400-02/03/04
PRELIMINARY
Specifications (cont’d)
ELECTRICAL OPERATING CHARACTERISTICS (CONT’D)
Driver Characteristics & Timings (Full-speed mode only, SPEED=HIGH)
SYMBOL
PARAMETER
t
FR
Rise time
CONDITIONS
C
L
= 50 to 125pF, measured 10% to 90%
(V
OH
-V
OL
); See Figure 6
C
L
= 50 to 125pF, measured 10% to 90%
(V
OH
-V
OL
); See Figure 6
Excluding the first transition from idle state
MIN
4
TYP
MAX
20
UNITS
ns
t
FF
Fall time
4
20
ns
FRFM
Differential rise / fall time
matching (t
FR
/ t
FF
)
Output signal crossover
voltage
Driver propagation delay
(V
O
/ V
PO
D+ / D- ;
FSEO / V
MO
D+ / D-
Driver disable delay
(OE
D+ / D-)
100
%
V
CRS
Excluding the first transition from idle state;
See Figure 9
LOW-to-HIGH transition; See Figure 9
1.65
V
t
PLH(DRV)
t
PHL(DRV)
18
ns
HIGH-to-LOW transition; See Figure 9
18
ns
t
PHZ
t
PLZ
t
PZH
t
PZL
HIGH-to-OFF; See Figure 7
15
ns
LOW-to-OFF; See Figure 7
15
ns
Driver enable delay
(OE
D+ / D-)
OFF-to-HIGH; See Figure 7
15
ns
OFF-to-LOW; See Figure 7
15
ns
Driver Characteristics & Timings (Low-speed mode only, SPEED=LOW)
SYMBOL
PARAMETER
t
LR
Rise time
CONDITIONS
C
L
= 200 to 600pF, measured 10% to 90%
(V
OH
-V
OL
); See Figure 6
C
L
= 200 to 600pF, measured 10% to 90%
(V
OH
-V
OL
); See Figure 6
Excluding the first transition from idle state
MIN
75
TYP
MAX
300
UNITS
ns
t
LF
Fall time
75
300
ns
FRFM
Differential rise / fall time
matching (t
FR
/ t
FF
)
Output signal crossover
voltage
80
125
%
V
CRS
Excluding the first transition from idle state;
See Figure 9
1.3
2.0
V
Receiver Timings (Full-speed and low-speed modes)
SYMBOL
PARAMETER
Differential Receiver
t
PLH(RCV)
Driver propagation delay
(D+ / D-
RCV)
t
PHL(RCV)
Single-ended Receiver
t
PLH(SE)
Driver propagation delay
(D+ / D-
V
P
/ V
M
)
t
PHL(SE)
CONDITIONS
MIN
TYP
MAX
UNITS
LOW-to-HIGH transition; See Figure 8
15
ns
HIGH-to-LOW transition; See Figure 8
15
ns
LOW-to-HIGH transition; See Figure 8
18
ns
HIGH-to-LOW transition; See Figure 8
18
ns
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