VCC 400k 惟 GND +5V 1 40 16 1 渭F 2 18 4 5k 惟 5" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� MAX237CNG+
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩(sh霉)锛� 26/38闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC 5DVR/3RCVR RS232 5V 24-DIP
鐢�(ch菐n)鍝佸煿瑷撴ā濉婏細 Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
妯欐簴鍖呰锛� 15
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� 5/3
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� 閫氬瓟
灏佽/澶栨锛� 24-DIP锛�0.300"锛�7.62mm锛�
渚涙噳鍟嗚ō鍌欏皝瑁濓細 24-PDIP
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
400k
VCC
400k
GND
+5V
1
40
16
1
渭F
2
18
4
5k
5k
5k
5k
5k
5k
5k
5k
ENTA
TA1OUT
TA1IN
TA3OUT
TA3IN
6 RB5OUT
12 RA1IN
10 RA1OUT
13 RA2IN
9 RA2OUT
14 RA3IN
8 RA3OUT
15 RA4IN
7
20
RA4OUT
11
39
24
38
22
36
29
31
28
32
27
33
26
34
30
ENRA
ENTB
TB1OUT
TB1IN
TB3OUT
TB3IN
RB1IN
5k
25
RB5IN
RB1OUT
RB2IN
RB2OUT
RB3IN
RB3OUT
RB4IN
RB4OUT
ENRB
400k
+5V
17
3
TA2OUT
TA2IN
+5V
23
37
TB2OUT
TB2IN
400k
+5V
19
5
TA4OUT
TA4IN
+5V
21
35
TB4OUT
TB4IN
40
VCC
ENTB
TB1IN
TB2IN
TB3IN
TB4IN
RB4OUT
RB3OUT
RB2OUT
RB1OUT
RB1IN
RB2IN
RB3IN
RB4IN
RB5IN
TB1OUT
TB2OUT
TB3OUT
TB4OUT
39
38
37
36
35
34
33
32
31
1
2
3
4
5
6
7
8
9
10
ENTA
TA1IN
TA2IN
TA3IN
TA4IN
RB5OUT
RA4OUT
RA3OUT
RA2OUT
RA1OUT
RA1IN
RA2IN
RA3IN
RA4IN
TA1OUT
TA2OUT
TA3OUT
TA4OUT
GND
TOP VIEW
MAX247
30
29
28
27
26
25
24
23
22
21
11
12
13
14
15
16
17
18
19
DIP
20
ENRA
ENRB
MAX247 FUNCTIONAL DESCRIPTION
9 RECEIVERS
4 A-SIDE RECEIVERS
5 B-SIDE RECEIVERS (RB5 ALWAYS ACTIVE)
8 TRANSMITTERS
4 A-SIDE TRANSMITTERS
4 B-SIDE TRANSMITTERS
4 CONTROL PINS
ENABLE RECEIVER A-SIDE (ENRA)
ENABLE RECEIVER B-SIDE (ENRB)
ENABLE RECEIVER A-SIDE (ENTA)
ENABLE RECEIVER B-SIDE (ENTB)
+
Figure 23. MAX247 Pin Configuration and Typical Operating Circuit
32
Maxim Integrated
MAX220鈥揗AX249
鐩搁棞PDF璩囨枡
PDF鎻忚堪
MAX241CWI+ IC 4DVR/5RCVR RS232 5V 28-SOIC
MAX239CNG+ IC 3DVR/5RCVR RS232 5V 24-DIP
VI-BWB-MX-F4 CONVERTER MOD DC/DC 95V 75W
MAX236CWG+ IC 4DVR/3RCVR RS232 5V 24-SOIC
VI-BWB-MX-F3 CONVERTER MOD DC/DC 95V 75W
鐩搁棞浠g悊鍟�/鎶€琛撳弮鏁�(sh霉)
鍙冩暩(sh霉)鎻忚堪
MAX237CNG+ 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ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
MAX237CNG-ND 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:
MAX237CWG 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ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
MAX237CWG+ 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ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
MAX237CWG+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ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽: