si5540 Silicon Laboratories, si5540 Datasheet - Page 6

• Manufacturer Part Number: si5540
• Description: Siphy Oc-192/stm-64 Transmitter - Silicon Laboratories
• Manufacturer: Silicon Laboratories

Table 2. DC Characteristics, V
(V
Parameter
Input Voltage High
(TXCLKDSBL, FIFORST, TXSQLCH,
BWSEL, REFRATE, REFSEL, TXMSBSEL,
RESET)
Input Low Current
(TXCLKDSBL, FIFORST, TXSQLCH,
BWSEL, REFRATE, REFSEL, TXMSBSEL,
RESET)
Input High Current
(TXCLKDSBL, FIFORST, TXSQLCH,
BWSEL, REFRATE, REFSEL, TXMSBSEL,
RESET)
Input Impedance
(TXCLKDSBL, FIFORST, TXSQLCH,
BWSEL, REFRATE, REFSEL, TXMSBSEL,
RESET)
LVTTL Output Voltage Low
(FIFOERR, TXLOL)
LVTTL Output Voltage High
(FIFOERR, TXLOL)
Si 5540
6
DD
= 1.8 V ±5%, T
A
= –40°C to 85°C )
DD
= 1.8 V (Continued)
Preliminary Rev. 0.31
Symbol
V
V
V
R
I
OH2
I
OL2
IH2
IH
IL
IN
Test Condition
VDD33 = 1.8 V
VDD33 = 3.3 V
VDD33 = 1.8 V
VDD33 = 3.3 V
Min
2.0
1.4
2.4
10
—
—
—
—
Typ
—
—
—
—
—
—
—
—
Max
0.4
0.4
10
10
—
—
—
—
Unit
k
V
V
V
A
A