SI5540 Datasheet, PDF (6/20 Pages) Silicon Laboratories – SiPHY OC-192/STM-64 TRANSMITTER

Si5540
Table 2. DC Characteristics, V_DD = 1.8 V (Continued)
(V_DD = 1.8 V ±5%, T_A = –40°C to 85°C)
Parameter
Symbol Test Condition Min
Typ
Max Unit
Input Voltage High
V_IH2
(TXCLKDSBL, FIFORST, TXSQLCH,
BWSEL, REFRATE, REFSEL, TXMSBSEL,
RESET)
2.0
—
—
V
Input Low Current
I_IL
(TXCLKDSBL, FIFORST, TXSQLCH,
BWSEL, REFRATE, REFSEL, TXMSBSEL,
RESET)
Input High Current
I_IH
(TXCLKDSBL, FIFORST, TXSQLCH,
BWSEL, REFRATE, REFSEL, TXMSBSEL,
RESET)
Input Impedance
R_IN
(TXCLKDSBL, FIFORST, TXSQLCH,
BWSEL, REFRATE, REFSEL, TXMSBSEL,
RESET)
—
—
10
µA
—
—
10
µA
10
—
—
kΩ
LVTTL Output Voltage Low
(FIFOERR, TXLOL)
V_OL2 VDD33 = 1.8 V
—
—
0.4
V
VDD33 = 3.3 V —
—
0.4
LVTTL Output Voltage High
(FIFOERR, TXLOL)
V_OH2 VDD33 = 1.8 V 1.4
—
—
V
VDD33 = 3.3 V 2.4
—
—
6
Preliminary Rev. 0.31