m28333-3x Mindspeed Technologies, m28333-3x Datasheet - Page 45

• Manufacturer Part Number: m28333-3x
• Description: Single/dual/triple E3/ds3/sts-1 Line Interface Unit
• Manufacturer: Mindspeed Technologies

M28331/M28332/M28333 (–3x)
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
Table 2-7. DC Characteristics
28333-DSH-003-A
V
V
V
V
I
I
Input capacitance
Load capacitance
R
Input impedance
Input voltage range
Input pulse threshold
TLOS asserted
Power dissipation M28333
(–1x, –3x)
Power dissipation
(M28332)
Power dissipation
(M28331)
NOTE(S):
1. The digital inputs of M2833i are TTL 5 V compliant when VGG = 5V. These inputs are diode protected to the VGG pin.
2. The digital outputs of M2833i are also TTL 5 V compliant when VGG = 5V. However, these outputs do not drive to 5 V, nor do
FOOTNOTE:
(1)
LEAK (digital inputs/outputs)
LEAK (analog inputs/outputs)
ih
il
oh
ol
Line
low threshold
TLINExM, TMONxP, TMONxM
high threshold
low threshold
RLINExP, RLINExM, TLINExP,
Additionally, all of the M2833i digital inputs contain 75 k pull-down resistors.
they accept 5 V external pull-ups.
high threshold
Measured while transmitting and receiving all-1s pattern.
/T
Line
Parameter
capacitance
Digital inputs (Logic 1)
Digital inputs (Logic 0)
Digital outputs, I
Digital outputs, I
0 V
Digital outputs
Maximum load
TMONP, TMONM to 0.25 V
TMONP, TMONM to ground
(TMONP, TMONM)
Number of TCLKs with no input
Total chip
Total chip
Total chip
2.8 DC Characteristics
digital Vin
(1)
Mindspeed Technologies
Conditions
oh
ol
= 4 mA
VGG
= –4 mA
—
—
Transmit Monitor
™
±
–0.3
–270
Min
–10
7.5
2.0
2.4
—
—
—
—
30
—
—
—
0.4
0
Nom
±
0.83
—
—
—
—
—
—
—
—
—
10
—
32
—
—
0.5
2.0 Functional Description
VGG + 0.3
±
Max
12.5
.450
200
270
V
0.8
0.4
1.0
0.8
—
10
15
50
34
2.8 DC Characteristics
0.6
dd
# TSYM
Unit
k
pF
pF
pF
W
W
W
V
V
V
V
V
V
A
A
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