參數(shù)資料
型號： 1893YI-10
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 網(wǎng)絡(luò)接口
英文描述： DATACOM, INTERFACE CIRCUIT, PQFP64
封裝： 10 X 10 MM, TQFP-64
文件頁數(shù)： 30/152頁
文件大?。?/td> 943K
代理商： 1893YI-10
Chapter 10
DC and AC Operating Conditions
ICS1893 Rev C 6/6/00
June, 2000
125
ICS1893 - Release
Copyright 2000, Integrated Circuit Systems, Inc.
All rights reserved.
10.4
DC Operating Characteristics
This section lists the ICS1893 DC operating characteristics.
10.4.1
DC Operating Characteristics for Supply Current
Table 10-4 lists the DC operating characteristics for the supply current to the ICS1893 under various
conditions.
Note:
All VDD_IO measurements are taken with respect to VSS (which equals 0 V).
These supply current parameters are measured through VDD pins to the ICS1893. The supply current
parameters include external transformer currents.
Measurements taken with 100% data transmission and the minimum inter-packet gap.
10.4.2
DC Operating Characteristics for TTL Inputs and Outputs
Table 10-5 lists the 3.3-V DC operating characteristics of the ICS1893 TTL inputs and outputs.
Note:
All VDD_IO measurements are taken with respect to VSS (which equals 0 V).
Table 10-4.
DC Operating Characteristics for Supply Current
Parameter
Operating Mode
Symbol
Min.
Typ.
Max.
Units
Supply Current
100Base-TX
IDD_IO
–
8
11
mA
IDD
–
110
125
mA
Supply Current
10Base-T
IDD_IO
–
5
8
mA
IDD
–
150
160
mA
Supply Current
Auto-Negotiation
IDD_IO
–
5
8
mA
IDD
–
80
90
mA
Supply Current
Power-Down
IDD_IO
–
3
5
mA
IDD
–
40
50
mA
Supply Current
Reset
IDD
–
50
60
mA
Table 10-5.
3.3-V DC Operating Characteristics for TTL Inputs and Outputs
Parameter
Symbol
Conditions
Min.
Max.
Units
TTL Input High Voltage
VIH
VDD_IO = 3.47 V
–
2.0
–
V
TTL Input Low Voltage
VIL
VDD_IO = 3.47 V
–
0.8
V
TTL Output High Voltage
VOH
VDD_IO = 3.14 V
IOH = –4 mA
2.4
–
V
TTL Output Low Voltage
VOL
VDD_IO = 3.14 V
IOL = +4 mA
–
0.4
V
TTL Driving CMOS,
Output High Voltage
VOH
VDD_IO = 3.14 V
IOH = –4 mA
2.4
–
V
TTL Driving CMOS,
Output Low Voltage
VOL
VDD_IO = 3.14 V
IOL = +4 mA
–
0.4
V
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