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| 型號： | PCT789T-A |
| 英文描述： | PCI HSP56 World MicroModem/PCT303DW/PCT1789W |
| 中文描述： | 世界MicroModem/PCT303DW/PCT1789W的PCI HSP56 |
| 文件頁數(shù)： | 51/70頁 |
| 文件大?。?/td> | 872K |
| 代理商： | PCT789T-A |
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PC-TEL, Inc.
51
1789W0DOCDAT06A-0299
PCT1789W DATA SHEET
E
LECTRICAL
C
HARACTERISTICS
!
PRELIMINARY
PRELIMINARY
PCT303DW Electrical Characteristics
PCT303DW Recommended Operating
Conditions
PCT303DW Absolute Maximum Ratings
Permanent device damage may occur if the absolute maximum ratings are exceeded. Functional operation should
be restricted to the conditions as specified in the operational sections of this data sheet. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
Table 19 PCT303DW Absolute Maximum Ratings
Table 18 PCT303DW Recommended Operating Conditions
Parameter
a
Ambient temperature
Symbol
T
A
T
A
V
A
V
D
Test Condition
K-grade
Min
b
0
Typ
25
Max
a
70
Unit
°C
Ambient temperature
B-grade
–40
25
85
°C
PCT303D supply voltage, analog
3.0
3.3/5.0
5.25
V
PCT303D supply voltage, digital
c
3.0
3.3/5.0
5.25
V
a.
The PCT303DW specifications are guaranteed when the typical application circuit (including component tolerance)
and any PCT303D and PCT303W are used. See Figure 2 for typical application circuit.
All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions.
Typical values apply at nominal supply voltages and an operating temperature of 25°C unless otherwise stated.
The digital supply, V
D,
can operate from either 3.3V or 5.0V. The PCT303D supports interface to 3.3V logic when
operating from 3.3V. The 3.3V operation applies to both the serial port and the digital signals RGDT/FSD, OFHK,
RESET, M0, and M1.
b.
c.
Parameter
DC supply voltage
Symbol
V
D
, V
A
I
IN
V
IND
T
A
T
STG
Value
–0.5 to +6.0
Unit
V
Input current, PCT303D digital input pins
±10
mA
Digital input voltage
–0.3 to (V
D
+0.3)
–10 to +100
V
Operating temperature range
°C
Storage temperature range
–40 to +150
°C
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