參數(shù)資料
型號(hào): ISL81334IBZ-T
廠商: Intersil
文件頁(yè)數(shù): 4/28頁(yè)
文件大小: 0K
描述: TXRX ESD RS-485/422 2PORT 28SOIC
產(chǎn)品培訓(xùn)模塊: Solutions for Industrial Control Applications
標(biāo)準(zhǔn)包裝: 1
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 2/2
規(guī)程: RS232,RS422,RS485
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC W
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: ISL81334IBZ-TDKR
12
FN6202.3
November 21, 2007
FIGURE 3A. TEST CIRCUIT
FIGURE 3B. MEASUREMENT POINTS
FIGURE 3. RS-485 DRIVER ENABLE AND DISABLE TIMES
FIGURE 4A. TEST CIRCUIT
FIGURE 4B. MEASUREMENT POINTS
FIGURE 4. RS-485 RECEIVER PROPAGATION DELAY
FIGURE 5A. TEST CIRCUIT
FIGURE 5B. MEASUREMENT POINTS
FIGURE 5. RS-485 RECEIVER ENABLE AND DISABLE TIMES
Test Circuits and Waveforms (Continued)
D
DE
DY
CL
500
Ω
Y
Z
VCC
GND
SW
FOR SHDN TESTS, SWITCH ON/OFF RATHER THAN DE
PARAMETER
ON/DE
OUTPUT
DY
SW
CL (pF)
tHZ
1/-
Y/Z
0/1
GND
15
tLZ
1/-
Y/Z
1/0
VCC
15
tZH
1/-
Y/Z
0/1
GND
100
tZL
1/-
Y/Z
1/0
VCC
100
tZH(SHDN)
-/1
Y/Z
0/1
GND
100
tZL(SHDN)
-/1
Y/Z
1/0
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
tZH(SHDN)
tZL(SHDN)
(ON/OFF FOR SHDN)
ENABLED
SIGNAL
GENERATOR
R
RA
RXEN (QFN ONLY)
B
A
0V
15pF
RA
+1.5V
-1.5V
tPLH
0V
VCC
0V
1.5V
tPHL
B
1k
Ω
VCC
GND
SW
FOR SHDN TESTS, SWITCH ON/OFF RATHER THAN RXEN
PARAMETER
ON/RXEN
B
SW
tHZ (QFN Only)
1/-
+1.5V
GND
tLZ (QFN Only)
1/-
-1.5V
VCC
tZH (QFN Only)
1/-
+1.5V
GND
tZL (QFN Only)
1/-
-1.5V
VCC
tZH(SHDN)
-/0
+1.5V
GND
tZL(SHDN)
-/0
-1.5V
VCC
SIGNAL
GENERATOR
R
RA
B
A
15pF
RXEN (QFN ONLY)
RA
3V
0V
1.5V
VOH
0V
1.5V
VOH - 0.5V
tHZ
RA
VCC
VOL
1.5V
VOL + 0.5V
tLZ
RXEN (QFN ONLY)
OUTPUT HIGH
OUTPUT LOW
tZL
tZH
tZL(SHDN)
tZH(SHDN)
3V
0V
1.5V
ON/OFF
(FOR SHDN TESTS)
ENABLED
ISL81334, ISL41334
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