參數(shù)資料
型號: ISL4485EIB-T
廠商: Intersil
文件頁數(shù): 7/11頁
文件大?。?/td> 0K
描述: IC TXRX 1TX/1RX 5V RS-485 8-SOIC
標(biāo)準(zhǔn)包裝: 2,500
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: 帶卷 (TR)
5
FIGURE 2A. TEST CIRCUIT
FIGURE 2B. MEASUREMENT POINTS
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
FIGURE 3A. TEST CIRCUIT
FIGURE 3B. MEASUREMENT POINTS
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
Test Circuits and Waveforms (Continued)
D
DE
DI
VCC
SIGNAL
GENERATOR
CL = 100pF
RDIFF
Z
Y
CL = 100pF
OUT (Y)
3V
0V
tPLH
1.5V
VOH
VOL
50%
tPHL
OUT (Z)
tPHL
VOH
VOL
50%
tPLH
DIFF OUT (Y - Z)
tR
+VOD
-VOD
90%
tF
10%
DI
SKEW = |CROSSING PT. OF Y
↑ & Z↓ - CROSSING PT. OF Y↓ & Z↑|
D
DE
DI
CL
500
Z
Y
VCC
GND
SW
PARAMETER OUTPUT
RE
DI
SW
CL (pF)
tHZ
Y/Z
X
1/0
GND
15
tLZ
Y/Z
X
0/1
VCC
15
tZH
Y/Z
X
1/0
GND
100
tZL
Y/Z
X
0/1
VCC
100
SIGNAL
GENERATOR
OUT (Y, Z)
3V
0V
1.5V
VOH
0V
2.3V
VOH - 0.5V
tHZ
OUT (Y, Z)
VCC
VOL
2.3V
VOL + 0.5V
tLZ
DE
OUTPUT HIGH
OUTPUT LOW
tZL
tZH
ISL4485E
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