參數(shù)資料
型號: CPS1087
英文描述: Analog IC
中文描述: 模擬IC
文件頁數(shù): 48/64頁
文件大?。?/td> 870K
代理商: CPS1087
CSP1027 Voice Band Codec for
Cellular Handset and Modem Applications
Data Sheet
January 2002
Agere Systems Inc.
48
9 Electrical Characteristics and Requirements
The following electrical characteristics are preliminary and are subject to change. Electrical characteristics refer to
the behavior of the device under specified conditions. Electrical requirements refer to conditions imposed on the
user for proper operation of the device. The parameters below are valid for the following conditions:
V
DD
= 5 V ± 10% (See Section 8.3 on page 47 for exceptions.)
Table 12. Digital Electrical Characteristics and Requirements
Parameter
Symbol
Min
Max
Unit
Input Voltage (except PORCAP):
Low
High
PORCAP Input Voltage:
Low
High
Input Current (except EIGS, IOCK, PORCAP):
Low (V
IL
= 0 V)
High (V
IH
= 5.5 V)
Input Current (EIGS):
Low (V
IL
= 0 V)
High (V
IH
= 5.5 V)
Input Current (IOCK):
Low (V
IL
= 0 V)
High (V
IH
= 5.5 V)
Input Current (PORCAP):
Low (V
IL
= 0 V)
High (V
IH
= 5.5 V)
Output Low Voltage:
Low (I
OL
= 2.0 mA)
Low (I
OL
= 50 μA)
Output High Voltage:
High (I
OH
= –2.0 mA)
High (I
OH
= –50 μA)
Output 3-State Current:
Low (V
DD
= 5.5 V, V
IL
= 0 V)
High (V
DD
= 5.5 V, V
IH
= 5.5 V)
Input Capacitance
V
IL
V
IH
0.7 x V
DD
0.3 x V
DD
V
V
V
IL
V
IH
0.7 x V
DD
0.5 x V
DD
V
V
I
IL
I
IH
–5
5
μA
μA
I
IL
I
IH
–5
100
μA
μA
I
IL
I
IH
–100
5
μA
μA
I
IL
I
IH
–100
5
μA
μA
V
OL
V
OL
0.4
0.2
V
V
V
OH
V
OH
V
DD
– 0.7
V
DD
– 0.2
V
V
I
OZL
I
OZH
C
I
–10
10
10
μA
μA
pF
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