CM2400-02 Datasheet, PDF (6/14 Pages) California Micro Devices Corp – Universal Serial Bus Transceiver with Level Translator

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
t_FR
Rise time
C_L = 50 to 125pF, measured 10% to 90%
(V_OH-V_OL); See Figure 6
t_FF
Fall time
C_L = 50 to 125pF, measured 10% to 90%
(V_OH-V_OL); See Figure 6
FRFM
Differential rise / fall time
matching (t_FR / t_FF)
Excluding the first transition from idle state
V_CRS
Output signal crossover
voltage
Excluding the first transition from idle state;
See Figure 9
t_PLH(DRV)
t_PHL(DRV)
Driver propagation delay
(V_O / V_PO ➔ D+ / D- ;
FSEO / V_MO ➔ D+ / D-
LOW-to-HIGH transition; See Figure 9
HIGH-to-LOW transition; See Figure 9
t_PHZ Driver disable delay
t_PLZ
(OE ➔ D+ / D-)
HIGH-to-OFF; See Figure 7
LOW-to-OFF; See Figure 7
t_PZH Driver enable delay
t_PZL
(OE ➔ D+ / D-)
OFF-to-HIGH; See Figure 7
OFF-to-LOW; See Figure 7
Driver Characteristics & Timings (Low-speed mode only, SPEED=LOW)
SYMBOL PARAMETER
CONDITIONS
t_LR
Rise time
C_L = 200 to 600pF, measured 10% to 90%
(V_OH-V_OL); See Figure 6
t_LF
Fall time
C_L = 200 to 600pF, measured 10% to 90%
(V_OH-V_OL); See Figure 6
FRFM
Differential rise / fall time
matching (t_FR / t_FF)
Excluding the first transition from idle state
V_CRS
Output signal crossover
voltage
Excluding the first transition from idle state;
See Figure 9
Receiver Timings (Full-speed and low-speed modes)
SYMBOL PARAMETER
CONDITIONS
Differential Receiver
t_PLH(RCV) Driver propagation delay
t_PHL(RCV) ^{(D+ / D- ➔ RCV)}
LOW-to-HIGH transition; See Figure 8
HIGH-to-LOW transition; See Figure 8
Single-ended Receiver
t_PLH(SE)
t_PHL(SE)
Driver propagation delay
(D+ / D- ➔ V_P / V_M)
LOW-to-HIGH transition; See Figure 8
HIGH-to-LOW transition; See Figure 8
MIN TYP
4
4
100
1.65
MIN TYP
75
75
80
1.3
MIN TYP
MAX
20
20
18
18
15
15
15
15
MAX
300
300
125
2.0
MAX
15
15
18
18
UNITS
ns
ns
%
V
ns
ns
ns
ns
ns
ns
UNITS
ns
ns
%
V
UNITS
ns
ns
ns
ns
© 2004 California Micro Devices Corp. All rights reserved.
6 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: [phone] ● Fax: [phone] ● www.calmicro.com 08/24/04