參數(shù)資料
型號(hào): MC33990
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: J-1850 SERIAL TRANSCEIVER(J-1850總線收發(fā)器)
中文描述: 殲1850串行收發(fā)器(的J - 1850總線收發(fā)器)
文件頁(yè)數(shù): 6/16頁(yè)
文件大小: 455K
代理商: MC33990
33990
6
Go to: www.freescale.com
STATIC ELECTRICAL CHARACTERISTICS (continued)
Characteristics noted under conditions of 7.0 V
V
BAT
16 V, -40
°
C
T
A
125
°
C,
SLEEP
= 5.0 V unless otherwise noted. Typical
values reflect the parameter's approximate midpoint average value with V
BAT
= 13 V, T
A
= 25°C. All positive currents are into the
pin. All negative currents are out of the pin.
Characteristic
Symbol
Min
Typ
Max
Unit
BUS (continued)
BUS Input Current with Loss of V
BAT
V
BUS
= 9.0 V (see Figure 3)
I
BUS(LOB)
0.5
mA
LOAD Output
I
L
= 6.0 mA
L
ON
0.07
0.2
V
Unpowered LOAD Output
V
BAT
= 0 V, I
L
= 6.0 mA
L
DIO
0.3
0.67
0.9
V
Tx
Tx Input Voltage
Tx Input Logic Low Level
Tx Input Logic High Level
V
T
x
(IL)
V
T
x
(IH)
3.5
0.8
V
Tx Input Current
V
T
x
= 5.0 V
V
T
x
= 0 V
I
T
x
(IH)
I
T
x
(IL)
50
-2.0
120
-0.1
200
2.0
μA
LOOP
4X/LOOP Input Current
V
4X/LOOP
= 0 V (Normal Mode)
V
4X/LOOP
= 5.0 V (4X Mode)
I
4X/LOOP(IL)
I
4X/LOOP(IH)
-200
-95
95
200
μA
4X/LOOP Input Threshold (Tx = 4096 Hz square wave)
Normal Mode to Loopback Mode
Loopback Mode to 4X Mode
V
4X/LOOP(IL)
V
4X/LOOP(IH)
1.4
3.2
1.6
3.43
1.8
3.6
V
Rx
Rx Output Voltage Low
V
BUS
= 0 V, I
R
x
= 1.6 mA
V
Rx(LOW)
0.01
0.18
0.4
V
Rx Output Voltage High
V
BUS
= 7.0 V, I
R
x
= -200 μA
V
Rx(HIGH)
4.25
4.48
4.75
V
Rx Output Current
V
R
x
= High; Short Circuit Protection Limits
I
R
x
2.0
5.9
8.0
mA
SLEEP
SLEEP
Input Current
V
SLEEP
= 0 V
V
SLEEP
= 5.0 V
I
SLEEP(IL)
I
SLEEP(IH)
1.0
-0.003
9.5
-2.0
20
μA
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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