參數資料
型號: CN8332EXF
英文描述: PCM Transceiver
中文描述: 收發(fā)器的PCM
文件頁數: 35/48頁
文件大?。?/td> 434K
代理商: CN8332EXF
DVDDC (3.3 V).
CN8331/CN8332/CN8333
2.0 Functional Description
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
2.7 DC Characteristics
100604B
Conexant
2-17
2.7 DC Characteristics
Table 2-3. DC Characteristics
Parameter
Conditions
Min
Nom
Max
Unit
V
ih
high threshold
Digital inputs
2.0
VGG + 0.3
V
V
il
low threshold
Digital inputs
0.3
0.8
V
V
oh
high threshold
Digital outputs,
I
oh
=
4 mA
2.4
V
V
ol
low threshold
Digital outputs,
I
ol
= 4 mA
0.4
V
I
LEAK
0 V
digital
V
in
VGG
10
200
μ
A
Input capacitance
10
pF
Load capacitance
Digital outputs
15
pF
NOTE(S):
1. The digital inputs of CN833x are TTL 5 V compliant. These inputs are diode protected to
DVDDIO and DVSSIO pins. Additionally, all of the CN8331/CN8332/CN8333 digital inputs
contain 75 k
pull-down resistors.
2. The digital outputs of CN8331/CN8332/CN8333 are also TTL 5 V compliant. However,
these outputs will not drive to 5 V, nor will they accept 5 V external pullups. The output is
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