参数资料
型号: 78Q2120C09-DB
厂商: Maxim Integrated Products
文件页数: 14/35页
文件大小: 0K
描述: BOARD DEMO 78Q2120C
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: *
78Q2120C
10/100BASE-TX
Transceiver
Page: 21 of 35
2009 Teridian Semiconductor Corporation
Rev 1.3
DIGITAL I/O CHARACTERISTICS:
Pins of type CI, CIU, CID, CIO:
PARAMETER
SYMBOL
CONDITIONS
MIN
NOM
MAX
UNIT
Input Voltage Low
Vil
0.8
V
Input Voltage High
Vih
2.0
5.5
V
Input Current
Iil, Iih
-1
1
A
Pull-up Resistance
Rpu
Type CIU only
38
56
78
k
Pull-down Resistance
Rpd
Type CID only
38
56
78
k
Input Capacitance
Cin
8
pF
Pins of type CIS:
PARAMETER
SYMBOL
CONDITIONS
MIN
NOM
MAX
UNIT
Low-to-High Threshold
Vt+
1.3
1.7
V
High-to-Low Threshold
Vt-
0.80
1.20
V
Input Current
Iil, Iih
-1
1
A
Input Capacitance
Cin
8
pF
Pins of type COZ:
PARAMETER
SYMBOL
CONDITIONS
MIN
NOM
MAX
UNIT
Output Voltage Low
Vol
Iol = 4mA
0.4
V
Output Voltage High
Voh
Ioh = -4mA
2.4
V
Output Transition Time
Tt
CL = 20pF
6
ns
Tristate Output Leakage
Current
Iz
-1
1
A
Pins of type CO:
PARAMETER
SYMBOL
CONDITIONS
MIN
NOM
MAX
UNIT
Output Voltage Low
Vol
Iol = 8mA
0.4
V
Output Voltage High
Voh
Ioh = -8mA
2.4
V
Output Transition Time
Tt
CL = 20pF
6
ns
Pins of type CIO:
PARAMETER
SYMBOL
CONDITIONS
MIN
NOM
MAX
UNIT
Output Voltage Low
Vol
Iol = 4mA
0.4
V
Output Voltage High
Voh
Ioh = -4mA
2.4
V
Output Transition Time
Tt
CL = 20pF
6
ns
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