CX28331-1X CONEXANT [Conexant Systems, Inc], CX28331-1X Datasheet - Page 53

• Manufacturer Part Number: CX28331-1X
• Description: Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
• Manufacturer: CONEXANT [Conexant Systems, Inc]

CX28331/CX28332/CX28333
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
Table 2-5. DC Characteristics
100985A
V
V
V
V
I
Input capacitance
Load capacitance
NOTE(S):
1. The digital inputs of CX2833i are TTL 5 V compliant. These inputs are diode protected to DVDDIO and DVSSIO pins.
2. The digital outputs of CX2833i are also TTL 5 V compliant. However, these outputs will not drive to 5 V, nor will they accept
LEAK
ih
il
oh
ol
low threshold
low threshold
high threshold
Additionally, all of the CX2833i digital inputs contain 75 k
5 V external pull-ups. The output is DVDDC (3.3 V).
high threshold
Parameter
Digital inputs
Digital inputs
Digital outputs, I
Digital outputs, I
0 V
Digital outputs
2.8 DC Characteristics
digital Vin
oh
ol
Conditions
= 4 mA
VGG
= –4 mA
—
Conexant
pull-down resistors.
–0.3
Min
–10
2.0
2.4
—
—
—
Nom
—
—
—
—
—
—
—
2.0 Functional Description
2.8 DC Characteristics
VGG + 0.3
Max
200
0.8
0.4
—
10
15
Unit
pF
pF
V
V
V
V
2-21
A