參數(shù)資料
型號： XRT4000
廠商： Exar Corporation
英文描述： Universal Multiprotocol Serial Interface
中文描述： 通用多協(xié)議串行接口
文件頁數(shù)： 12/46頁
文件大?。?/td> 396K
代理商： XRT4000
XRT4000
Rev. 1.00
- 12 -
ELECTRICAL CHARCTERISTICS (CONT’D)
Test Conditions: VDD = 5V, VSS = -6V, VPP = 12V (all
±
5%), TA = 25
°
C
Symbol
V.11 Receiver
V
TH
Parameter
Min
Typ
Max
Units
Conditions
Input Threshold
Voltage
Input Hysteresis
Input Current (A,
B)
Input Impedance
Rise or Fall Time
Input to Output
Input to Output
Inp. to Out.
Difference, |TPLH
- TPHL|
-0.2
0.2
-7V
≤
VCM
≤
7V
VTH
I
IN
35
±1
60
±1.5
mV
mA
-7V
≤
VCM
≤
7V
-10V
≤
VA,B
≤
10V
R
IN
t
r
, t
f
T
PLH
T
PHL
t
9
10
20
80
80
5
11
k
ns
ns
ns
ns
-10V
≤
VA,B
≤
10V
(Figures 7, 12)
(Figures 7, 12)
(Figures 7, 12)
(Figures 7, 12)
50
50
0
120
120
15
V.35 Driver
V
OD
Differential Output
Voltage
Transmitter
Output High
Current
Transmitter
Output Low
Current
Transmiter Output
Leakage Current
Rise or Fall Time
Input to Output
Input to Output
Inp. to Out.
Difference, |TPLH
- TPHL|
Output to Output
Skew
±0.44
±0.55
±0.66
V
With Load, (Figure 12)
I
OH
-12
-11
-10
mA
VA, B = 0V
I
OL
10
11
12
mA
VA, B = 0V
I
OZ
±0.01
±100
μ
A
-0.25
≤
VA,B
≤
0.25V
t
r
, t
f
T
PLH
T
PHL
t
5
ns
ns
ns
ns
(Figures 8, 11)
(Figures 8, 11)
(Figures 8, 11)
(Figures 8, 11)
25
25
0
55
55
5
85
85
15
T
SKEW
5
ns
(Figures 8, 11)
V.35 Receiver
V
TH
Differential Input
Threshold Volt.
Input Hysteresis
Input Current
(A,B)
Input Impedance
(A, B)
Rise or Fall Time
Input to Output
Input to Output
Input to Output
Difference, ITPLH
- TPHLI
-0.2
0.2
V
-2V
=
(VA + VB)/2
=
2V (Figure 8)
V
TH
I
IN
35
±60
60
mV
mA
-2V
=
(VA + VB)/2
=
2V (Figure 8)
-10V
=
VA, B
=
10V
R
IN
175
-10V
=
VA, B
=
10V
t
r
, t
f
T
PLH
T
PHL
t
20
80
100
5
ns
ns
ns
ns
(Figures 8, 12)
(Figures 8, 12)
(Figures 8, 12)
(Figures 8, 12)
120
120
15
Note 1:
Absolute Maximum Ratings are those beyond which the safety of a device may be impaired.
Note 2:
All currents into device pins are positive; all currents out of device are negative. All voltages are
referenced to device ground unless otherwise specified.
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