Toshiba TLCS-900/H1 Series Manual page 486

2
I S Timing (I
4.3.8
Parameter
I2SCKO clock period
I2SCKO high width
I2SCKO low width
I2SDO, I2SWS setup time
I2SDO, I2SWS hold time
AC measuring conditions
• Output level: High = 0.7 VCC, Low = 0.3 VCC, C
I2SCKO
I2SDO
I2SWS
USB Timing (Full-speed)
4.3.9
Parameter
Rising time for D+, D−
Falling time for D+, D−
Output signal crossover voltage
AC measuring conditions
TMP92CH21
D+
D−
D+, D− V
CRS
2
S, SIO Mode)
Symbol
Min
t T
CR
t 0.5 t
HB CR
t 0.5 t
LB CR
t 0.5 t
SD CR
t 0.5 t
HD CR
L
t
CR
t t
LB HB
t
t t
SD
HD HD
Symbol
V
Test point V
CC
R3 = 1.5 kΩ
R1 = 27 Ω
R1 = 27 Ω
R2 = 15 kΩ
C
90% 90%
t t
R F
92CH21-484
Variable
Max
− 15
− 15
− 15
− 5
= 10 pF
= 3.3 ± 0.3 V/f = 48 MHz/Ta = −20 to 70°C
V
CC
USB
Min
t 4
R
t 4
F
1.3
CRS
= 50 pF
L
10%
TMP92CH21
40 MHz 36 MHz 27 MHz Unit
50 55 74
10 12 22
10 12 22
10 12 22
20 22 32
Max Unit
20
ns
20
2.0 V
2009-06-19
ns