7 FN7784.1 March 16, 2012 Maximum Data Rate fMAX
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� ISL32470EIBZ
寤犲晢锛� Intersil
鏂囦欢闋佹暩(sh霉)锛� 17/19闋�
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC TXRX RS485 FAULT PROT 14SOIC
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Solutions for Industrial Control Applications
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 50
椤炲瀷锛� 鏀剁櫦(f膩)鍣�
椹�(q奴)鍕�(d貌ng)鍣�/鎺ユ敹鍣ㄦ暩(sh霉)锛� 1/1
瑕�(gu墨)绋嬶細 RS422锛孯S485
闆绘簮闆诲锛� 4.5 V ~ 5.5 V
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 14-SOIC锛�0.154"锛�3.90mm 瀵級
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 14-SOIC
鍖呰锛� 绠′欢
ISL32470E, ISL32472E, ISL32475E, ISL32478E
7
FN7784.1
March 16, 2012
Maximum Data Rate
fMAX
CD = 820pF (Figure 6)
Full
0.25
1.5
-
Mbps
Driver Enable to Output High
tZH
SW = GND (Figure 5), (Note 9)
Full
-
1200
ns
Driver Enable to Output Low
tZL
SW = VCC (Figure 5), (Note 9)
Full
-
1200
ns
Driver Disable from Output Low
tLZ
SW = VCC (Figure 5)
Full
-
120
ns
Driver Disable from Output High
tHZ
SW = GND (Figure 5)
Full
-
120
ns
Time to Shutdown
tSHDN
(Note 11)
Full
60
160
600
ns
Driver Enable from Shutdown to
Output High
tZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)
Full
-
2500
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN) SW = VCC (Figure 5), (Notes 11, 12)
Full
-
2500
ns
DRIVER SWITCHING CHARACTERISTICS (1Mbps Versions; ISL32475E)
Driver Differential Output Delay
tPLH, tPHL RD = 54, CD = 50pF (Figure 4)
Full
-
70
125
ns
Driver Differential Output Skew
tSKEW
RD = 54, CD = 50pF (Figure 4)
Full
-
4.5
15
ns
Driver Differential Rise or Fall Time
tR, tF
RD = 54, CD = 50pF (Figure 4)
Full
70
170
300
ns
Maximum Data Rate
fMAX
CD = 820pF (Figure 6)
Full
1
4-
Mbps
Driver Enable to Output High
tZH
SW = GND (Figure 5), (Note 9)
Full
-
350
ns
Driver Enable to Output Low
tZL
SW = VCC (Figure 5), (Note 9)
Full
-
300
ns
Driver Disable from Output Low
tLZ
SW = VCC (Figure 5)
Full
-
120
ns
Driver Disable from Output High
tHZ
SW = GND (Figure 5)
Full
-
120
ns
Time to Shutdown
tSHDN
(Note 11)
Full
60
160
600
ns
Driver Enable from Shutdown to
Output High
tZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)
Full
-
2000
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN) SW = VCC (Figure 5), (Notes 11, 12)
Full
-
2000
ns
DRIVER SWITCHING CHARACTERISTICS (15Mbps Versions; ISL32478E)
Driver Differential Output Delay
tPLH, tPHL RD = 54, CD = 50pF (Figure 4)
Full
-
21
45
ns
Driver Differential Output Skew
tSKEW
RD = 54, CD = 50pF (Figure 4)
Full
-
3
6
ns
Driver Differential Rise or Fall Time
tR, tF
RD = 54, CD = 50pF (Figure 4)
Full
5
17
30
ns
Maximum Data Rate
fMAX
CD = 470pF (Figure 6)
Full
15
25
-
Mbps
Driver Enable to Output High
tZH
SW = GND (Figure 5), (Note 9)
Full
-
100
ns
Driver Enable to Output Low
tZL
SW = VCC (Figure 5), (Note 9)
Full
-
100
ns
Driver Disable from Output Low
tLZ
SW = VCC (Figure 5)
Full
-
120
ns
Driver Disable from Output High
tHZ
SW = GND (Figure 5)
Full
-
120
ns
Time to Shutdown
tSHDN
(Note 11)
Full
60
160
600
ns
Driver Enable from Shutdown to
Output High
tZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)
Full
-
2000
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN) SW = VCC (Figure 5), (Notes 11, 12)
Full
-
2000
ns
Electrical Specifications Test Conditions: VCC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are VCC = 5V, TA = +25掳C
(Note 6). Boldface limits apply over the operating temperature range, -40掳C to +85掳C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(掳C)
MIN
(Note 14)
TYP
MAX
(Note 14)
UNITS
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