參數(shù)資料
型號: IDT77V1254L25
廠商: Integrated Device Technology, Inc.
英文描述: Quad Port PHY (Physical Layer) for 25.6 and 51.2 ATM Networks
中文描述: 四端口PHY(實體層)為25.6和51.2 ATM網(wǎng)絡(luò)
文件頁數(shù): 38/47頁
文件大?。?/td> 840K
代理商: IDT77V1254L25
38 of 47
September 21, 2001
IDT77V1254L25
Recommended DC Operating Conditions
Capacitance
(TA = +25°C, F = 1MHz)
DC Electrical Characteristics (All Pins except TX+/- and RX+/-)
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
Digital Supply Voltage
3.0
3.3
3.6
V
GND
Digital Ground Voltage
0
0
0
V
VIH
Input High Voltage
2.0
____
5.25
V
VIL
Input Low Voltage
-0.3
____
0.8
V
AVDD
Analog Supply Voltage
3.0
3.3
3.6
V
AGND
Analog Ground Voltage
0
0
0
V
VDIF
VDD - AVDD
-0.5
0
0.5
V
Symbol
Parameter
Conditions
Max.
Unit
C
IN
1
1.
Characterized values, not tested.
Input Capacitance
V
IN
= 0V
10
pF
C
IO
1
I/O Capacitance
V
OUT
= 0V
10
pF
Symbol
Parameter
Test Conditions
Min.
Max.
Unit
I
LI
Input Leakage Current
Gnd
VIN
VDD
-5
5
μA
I
LO
/O (as input) Leakage Current
Gnd
VIN
VDD
-10
10
μA
V
OH1
1
1.
For AD[7:0] pins only.
2.
For all output pins except AD[7:0], INT and TX+/-.
3.
For all output pins except TX+/-.
4.
Add 15mA for each TX+/- pair that is driving a load.
5.
Total supply current is the sum of IDD1 and IDD2
Output Logic "1" Voltage
I
OH
= -2mA, VDD = min.
2.4
V
V
OH2
2
Output Logic "1" Voltage
I
OH
= -8mA, VDD = min.
2.4
V
V
OL
3
Output Logic "0" Voltage
I
OL
= -8mA, VDD = min.
0.4
V
I
DD1
4, 5
Digital Power Supply Current - VDD
OSC = 32 MHz, all outputs unloaded
90
mA
OSC = 64 MHz, all outputs unloaded
170
mA
I
DD2
5
Analog Power Supply Current - AVDD
OSC = 32 MHz, all outputs unloaded
55
mA
OSC = 64 MHz, all outputs unloaded
60
mA
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