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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� MAX241CWI+
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩(sh霉)锛� 3/38闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC 4DVR/5RCVR RS232 5V 28-SOIC
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 25
椤炲瀷锛� 鏀剁櫦(f膩)鍣�
椹�(q奴)鍕曞櫒/鎺ユ敹鍣ㄦ暩(sh霉)锛� 4/5
瑕�(gu墨)绋嬶細 RS232
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� 28-SOIC锛�0.295"锛�7.50mm 瀵級
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 28-SOIC W
鍖呰锛� 绠′欢
鐢�(ch菐n)鍝佺洰閷勯爜闈細 1401 (CN2011-ZH PDF)
+5V-Powered, Multichannel RS-232
Drivers/Receivers
INPUT
OUTPUT
+3V
V+
0V
V-
0V
tPLHT
tPHLT
tPHLR
tPHLS
tPLHR
tPLHS
50%
VCC
50%
+3V
50%
INPUT
OUTPUT
*EXCEPT FOR R2 ON THE MAX243
WHERE -3V IS USED.
0V*
50%
GND
Figure 1. Transmitter Propagation-Delay Timing
Figure 2. Receiver Propagation-Delay Timing
EN
RX IN
a) TEST CIRCUIT
b) ENABLE TIMING
c) DISABLE TIMING
EN INPUT
RECEIVER
OUTPUTS
RX OUT
RX
1k
0V
+3V
EN
+0.8V
+3.5V
OUTPUT ENABLE TIME (tER)
VCC - 2V
VOL + 0.5V
VOH - 0.5V
OUTPUT DISABLE TIME (tDR)
VCC - 2V
+3V
0V
150pF
EN INPUT
VOH
RECEIVER
OUTPUTS
VOL
1 OR 0
TX
3k
50pF
-5V
+5V
OUTPUT DISABLE TIME (tDT)
V+
SHDN
+3V
0V
V-
0V
a) TIMING DIAGRAM
b) TEST CIRCUIT
Figure 3. Receiver-Output Enable and Disable Timing
Figure 4. Transmitter-Output Disable Timing
Test Circuits/Timing Diagrams
Maxim Integrated
11
MAX220鈥揗AX249
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
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鐩搁棞(gu膩n)浠g悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉)
鍙冩暩(sh霉)鎻忚堪
MAX241CWI+ 鍔熻兘鎻忚堪:RS-232鎺ュ彛闆嗘垚闆昏矾 5V MultiCh RS-232 Driver/Receiver RoHS:鍚� 鍒堕€犲晢:Exar 鏁�(sh霉)鎿�(j霉)閫熺巼:52 Mbps 宸ヤ綔闆绘簮闆诲:5 V 闆绘簮闆绘祦:300 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
MAX241CWI+T 鍔熻兘鎻忚堪:RS-232鎺ュ彛闆嗘垚闆昏矾 5V MultiCh RS-232 Driver/Receiver RoHS:鍚� 鍒堕€犲晢:Exar 鏁�(sh霉)鎿�(j霉)閫熺巼:52 Mbps 宸ヤ綔闆绘簮闆诲:5 V 闆绘簮闆绘祦:300 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
MAX241CWI-T 鍔熻兘鎻忚堪:RS-232鎺ュ彛闆嗘垚闆昏矾 RoHS:鍚� 鍒堕€犲晢:Exar 鏁�(sh霉)鎿�(j霉)閫熺巼:52 Mbps 宸ヤ綔闆绘簮闆诲:5 V 闆绘簮闆绘祦:300 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
MAX241EAI 鍔熻兘鎻忚堪:RS-232鎺ュ彛闆嗘垚闆昏矾 RoHS:鍚� 鍒堕€犲晢:Exar 鏁�(sh霉)鎿�(j霉)閫熺巼:52 Mbps 宸ヤ綔闆绘簮闆诲:5 V 闆绘簮闆绘祦:300 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
MAX241EAI+ 鍔熻兘鎻忚堪:RS-232鎺ュ彛闆嗘垚闆昏矾 5V MultiCh RS-232 Driver/Receiver RoHS:鍚� 鍒堕€犲晢:Exar 鏁�(sh霉)鎿�(j霉)閫熺巼:52 Mbps 宸ヤ綔闆绘簮闆诲:5 V 闆绘簮闆绘祦:300 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽: