PRELIMINARY
CM2400-02/03/04
Specifications (cont’d)
ELECTRICAL OPERATING CHARACTERISTICS (CONT’D)
Driver Characteristics & Timings (Full-speed mode only, SPEED=HIGH)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP MAX UNITS
tFR
Rise time
CL = 50 to 125pF, measured 10% to 90%
(VOH-VOL); See Figure 6
4
20
ns
tFF
Fall time
CL = 50 to 125pF, measured 10% to 90%
(VOH-VOL); See Figure 6
4
20
ns
FRFM
VCRS
Differential rise / fall time
Excluding the first transition from idle state
100
%
V
matching (tFR / tFF
)
Output signal crossover
voltage
Excluding the first transition from idle state;
See Figure 9
1.65
tPLH(DRV) Driver propagation delay
LOW-to-HIGH transition; See Figure 9
HIGH-to-LOW transition; See Figure 9
18
18
ns
ns
(VO / VPO ➔ D+ / D- ;
tPHL(DRV)
FSEO / VMO ➔ D+ / D-
tPHZ
tPLZ
tPZH
tPZL
Driver disable delay
(OE ➔ D+ / D-)
HIGH-to-OFF; See Figure 7
LOW-to-OFF; See Figure 7
OFF-to-HIGH; See Figure 7
OFF-to-LOW; See Figure 7
15
15
15
15
ns
ns
ns
ns
Driver enable delay
(OE ➔ D+ / D-)
Driver Characteristics & Timings (Low-speed mode only, SPEED=LOW)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP MAX UNITS
tLR
Rise time
CL = 200 to 600pF, measured 10% to 90%
(VOH-VOL); See Figure 6
75
300
ns
tLF
Fall time
CL = 200 to 600pF, measured 10% to 90%
(VOH-VOL); See Figure 6
75
300
ns
FRFM
VCRS
Differential rise / fall time
Excluding the first transition from idle state
80
125
2.0
%
V
matching (tFR / tFF
)
Output signal crossover
voltage
Excluding the first transition from idle state;
See Figure 9
1.3
Receiver Timings (Full-speed and low-speed modes)
SYMBOL PARAMETER
Differential Receiver
CONDITIONS
MIN
TYP MAX UNITS
tPLH(RCV) Driver propagation delay
LOW-to-HIGH transition; See Figure 8
HIGH-to-LOW transition; See Figure 8
15
15
ns
ns
(D+ / D- ➔ RCV)
tPHL(RCV)
Single-ended Receiver
tPLH(SE)
tPHL(SE)
Driver propagation delay
(D+ / D- ➔ VP / VM)
LOW-to-HIGH transition; See Figure 8
HIGH-to-LOW transition; See Figure 8
18
18
ns
ns
© 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
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
