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参数资料
型号： ISL8490EIBZ-T
厂商： Intersil
文件页数： 9/13页
文件大小： 0K
描述： IC TXRX RS-485/422 5V 8-SOIC
标准包装： 2,500
类型： 收发器
驱动器/接收器数： 1/1
规程： RS422，RS485
电源电压： 4.5 V ~ 5.5 V
安装类型： 表面贴装
封装/外壳： 8-SOIC（0.154"，3.90mm 宽）
供应商设备封装： 8-SOICN
包装： 带卷 (TR)
5
FN6073.4
July 26, 2007
Receiver Short-Circuit Current
IOSR
0V
≤ VO ≤ VCC
Full
7
-
85
mA
SWITCHING CHARACTERISTICS (ISL8488E, ISL8489E)
Driver Input to Output Delay
tPLH, tPHL RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
250
400
2000
ns
Driver Output Skew
tSKEW
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
160
800
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
250
600
2000
ns
Driver Enable to Output High
tZH
CL = 100pF, SW = GND (Figure 3, Note 8)
Full
250
1000
2000
ns
Driver Enable to Output Low
tZL
CL = 100pF, SW = VCC (Figure 3, Note 8)
Full
250
860
2000
ns
Driver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 3, Note 8)
Full
300
660
3000
ns
Driver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 3, Note 8)
Full
300
640
3000
ns
Receiver Input to Output Delay
tPLH, tPHL (Figure 4)
Full
250
500
2000
ns
Receiver Skew | tPLH - tPHL |tSKD
(Figure 4)
25
-
60
-
ns
Receiver Enable to Output High
tZH
CL = 15pF, SW = GND (Figure 5, Note 8)
Full
-
10
50
ns
Receiver Enable to Output Low
tZL
CL = 15pF, SW = VCC (Figure 5, Note 8)
Full
-
10
50
ns
Receiver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 5, Note 8)
Full
-
10
50
ns
Receiver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 5, Note 8)
Full
-
10
50
ns
Maximum Data Rate
fMAX
Full
250
-
kbps
SWITCHING CHARACTERISTICS (ISL8490E, ISL8491E)
Driver Input to Output Delay
tPLH, tPHL RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
13
24
50
ns
Driver Output Skew
tSKEW
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
3
10
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
5
12
25
ns
Driver Enable to Output High
tZH
CL = 100pF, SW = GND (Figure 3, Note 8)
Full
-
14
70
ns
Driver Enable to Output Low
tZL
CL = 100pF, SW = VCC (Figure 3, Note 8)
Full
-
14
70
ns
Driver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 3, Note 8)
Full
-
44
70
ns
Driver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 3, Note 8)
Full
-
21
70
ns
Receiver Input to Output Delay
tPLH, tPHL (Figure 4)
Full
30
90
150
ns
Receiver Skew | tPLH - tPHL |tSKD
(Figure 4)
25
-
5
-
ns
Receiver Enable to Output High
tZH
CL = 15pF, SW = GND (Figure 5, Note 8)
Full
-
9
50
ns
Receiver Enable to Output Low
tZL
CL = 15pF, SW = VCC (Figure 5, Note 8)
Full
-
9
50
ns
Receiver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 5, Note 8)
Full
-
9
50
ns
Receiver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 5, Note 8)
Full
-
9
50
ns
Maximum Data Rate
fMAX
Full
10
-
Mbps
ESD PERFORMANCE
RS-485 Pins (A, B, Y, Z)
Human Body Model
25
-
±15
-
kV
All Other Pins
25
-
>
±7-
kV
NOTES:
4. All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless
otherwise specified.
5. Supply current specification is valid for loaded drivers when DE = 0V.
6. Applies to peak current. See “Typical Performance Curves” on page 9 for more information.
7. Devices meeting these limits are denoted as “single unit load (1 UL)” transceivers. The RS-485 standard allows up to 32 Unit Loads on the bus.
8. Not applicable to the ISL8488E, ISL8490E.
9. Parts are 100% tested at +25°C. Over-temperature limits established by characterization and are not production tested.
Electrical Specifications
Test Conditions: VCC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at VCC = 5V, TA = +25°C,
(Note 4). (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
(NOTE 9)
TYP
MAX
(NOTE 9) UNITS
ISL8488E, ISL8489E, ISL8490E, ISL8491E
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