Instruction Manual

W90P710CD/W90P710CDG
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7.2.2 USB Transceiver DC Characteristics
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
DI
Differential Input Sensitivity
DP − DM
0.2 V
V
CM
Differential Common Mode Range Includes V
DI
range 0.8 2.5 V
V
SE
Single Ended Receiver Threshold 0.8 2.0 V
V
OL
Static Output Low Voltage
RL of 1.5 KΩ to 3.6 V
0.3 V
V
OH
Static Output High Voltage
RL of 15 KΩ to VSS
2.8 3.6 V
V
CRS
Output Signal Crossover Voltage 1.3 2.0 V
Z
DRV
Driver Output Resistance Steady state drive 28 43
Ω
C
IN
Pin Capacitance 20 pF
7.3 AC Specifications
7.3.1 EBI/SDRAM Interface AC Characteristics
T DH T DSU
1.5V
Output Valid
Iutput Valid
1.5V
1.5V
1.5V
MCLK
MCLK
D[31:0]
D[31:0]
SDRAM input to W90P710
W90P710 write to SDRAM
T DO
SYMBOL PARAMETER MIN. MAX. UNIT
T
DSU
D [31:0] Setup Time 2 ns
T
DH
D [31:0] Hold Time 2 ns
T
DO
D [31:0], A [24:0], nSCS [1:0], SDQM [3:0], CKE, nSWE,
nSRAS, nSCAS
2 7 ns