SI871X Datasheet, PDF (5/35 Pages) Silicon Laboratories – Industrial automation

Table 2. Electrical Characteristics (Continued)
V_DD = 5 V; GND = 0 V; T_A = –40 to +125 °C; typical specs at 25 °C
Parameter
Symbol
Test Condition
Min
AC Switching Parameters (V_DD =5 V, C_L = 15 pF)
Maximum Data Rate
F_DATA
DC
Minimum Pulse Width MPW
66
Propagation Delay
t_PLH C_L = 15 pF
5
(Low-to-High)
Propagation Delay
t_PHL C_L = 15 pF
5
(High-to-Low)
Pulse Width Distortion PWD | t_PLH – t_PHL |
—
Propagation Delay
Skew
t_PSK(p-p) t_PSK(P-P) is the magnitude of the dif-
—
ference in prop delays between dif-
ferent units operating at same supply
voltage, load, and ambient temp.
Rise Time*
t_R C_L = 15 pF
—
Fall Time*
t_F C_L = 15 pF
—
Device Startup Time
t_START
—
Common Mode
CMTI Output = low or high
Transient Immunity
V_CM =1500 V (See Figure 2)
I_F = 6 mA
35
*Note: Guaranteed by design and/or characterization
Si871x/2x
Typ
Max Unit
—
15
M_BPS
—
—
ns
—
50
ns
—
50
ns
—
25
ns
—
25
ns
2.5
4
ns
2.5
4
ns
—
40
µs
50
—
kV/µs
Rev. 1.0
5