7 FN7639.0 June 17, 2010 Driver Differential Rise or Fall Time t
參數(shù)資料
型號： ISL31478EIBZ-T7A
廠商： Intersil
文件頁數(shù)： 19/21頁
文件大?。?/td> 0K
描述： IC TXRX RS485 FAULT PROT 8SOIC
標(biāo)準(zhǔn)包裝： 1
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 4.5 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOICN
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： ISL31478EIBZ-T7ADKR
ISL31470E, ISL31472E, ISL31475E, ISL31478E
7
FN7639.0
June 17, 2010
Driver Differential Rise or
Fall Time
tR, tF
RD = 54Ω, CD = 50pF (Figure 2)
Full
400
650
1200
ns
Maximum Data Rate
fMAX
CD = 820pF (Figure 4)
Full
0.25
1.5
-
Mbps
Driver Enable to Output High
tZH
SW = GND (Figure 3), (Note 11)
Full
-
1200
ns
Driver Enable to Output Low
tZL
SW = VCC (Figure 3), (Note 11)
Full
-
1200
ns
Driver Disable from Output
Low
tLZ
SW = VCC (Figure 3)
Full
-
120
ns
Driver Disable from Output
High
tHZ
SW = GND (Figure 3)
Full
-
120
ns
Time to Shutdown
tSHDN
(Note 13)
Full
60
160
600
ns
Driver Enable from Shutdown
to Output High
tZH(SHDN) SW = GND (Figure 3), (Notes 13, 14)
Full
-
2500
ns
Driver Enable from Shutdown
to Output Low
tZL(SHDN) SW = VCC (Figure 3), (Notes 13, 14)
Full
-
2500
ns
DRIVER SWITCHING CHARACTERISTICS (1Mbps Versions; ISL31475E)
Driver Differential Output
Delay
tPLH, tPHL RD = 54Ω, CD = 50pF (Figure 2)
Full
-
70
125
ns
Driver Differential Output Skew
tSKEW
RD = 54Ω, CD = 50pF (Figure 2)
Full
-
3
15
ns
Driver Differential Rise or Fall
Time
tR, tF
RD = 54Ω, CD = 50pF (Figure 2)
Full
70
230
300
ns
Maximum Data Rate
fMAX
CD = 820pF (Figure 4)
Full
1
4
-
Mbps
Driver Enable to Output High
tZH
SW = GND (Figure 3), (Note 11)
Full
-
350
ns
Driver Enable to Output Low
tZL
SW = VCC (Figure 3), (Note 11)
Full
-
300
ns
Driver Disable from Output
Low
tLZ
SW = VCC (Figure 3)
Full
-
120
ns
Driver Disable from Output
High
tHZ
SW = GND (Figure 3)
Full
-
120
ns
Time to Shutdown
tSHDN
(Note 13)
Full
60
160
600
ns
Driver Enable from Shutdown
to Output High
tZH(SHDN) SW = GND (Figure 3), (Notes 13, 14)
Full
-
2000
ns
Driver Enable from Shutdown
to Output Low
tZL(SHDN) SW = VCC (Figure 3), (Notes 13, 14)
Full
-
2000
ns
DRIVER SWITCHING CHARACTERISTICS (15Mbps Versions; ISL31478E)
Driver Differential Output
Delay
tPLH, tPHL RD = 54Ω, CD = 50pF (Figure 2)
Full
-
21
45
ns
Driver Differential Output Skew
tSKEW
RD = 54Ω, CD = 50pF (Figure 2)
Full
-
3
6
ns
Driver Differential Rise or Fall
Time
tR, tF
RD = 54Ω, CD = 50pF (Figure 2)
Full
5
17
30
ns
Maximum Data Rate
fMAX
CD = 470pF (Figure 4)
Full
15
25
-
Mbps
Driver Enable to Output High
tZH
SW = GND (Figure 3), (Note 11)
Full
-
100
ns
Driver Enable to Output Low
tZL
SW = VCC (Figure 3), (Note 11)
Full
-
100
ns
Driver Disable from Output
Low
tLZ
SW = VCC (Figure 3)
Full
-
120
ns
Electrical Specifications Test Conditions: VCC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at VCC = 5V,
TA = +25°C (Note 8). Boldface limits apply over the operating temperature range,
-40°C to +85°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
(Note 16) TYP
MAX
(Note 16) UNITS
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