бакМИТ_КП2015 / Компоненты по вариантам / БуферRS232 / LT1780CSW
.pdf
LT1780/LT1781
PACKAGE DESCRIPTIOU Dimensions in inches (millimeters) unless otherwise noted.
S Package
16-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
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0.386 – 0.394* |
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(9.804 – 10.008) |
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16 |
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0.228 |
– 0.244 |
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0.150 |
– 0.157** |
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(5.791 |
– 6.197) |
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(3.810 |
– 3.988) |
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1 |
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8 |
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0.010 – 0.020 |
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× 45° |
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0.053 – 0.069 |
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(0.254 – 0.508) |
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(1.346 – 1.752) |
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0.008 – 0.010 |
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0.004 – 0.010 |
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0°– 8°TYP |
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(0.101 – 0.254) |
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(0.203 – 0.254) |
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0.016 – 0.050 |
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0.014 – 0.019 |
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0.050 |
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(0.355 – 0.483) |
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(1.270) |
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0.406 – 1.270 |
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TYP |
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S16 0695 |
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*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. |
11 |
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- |
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tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. |
LT1780/LT1781
TYPICAL APPLICATIOU
Supporting an LT1039 (Triple Driver/Receiver)
SHUTDOWN |
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5V |
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18 |
ON/OFF |
VCC |
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18 |
VCC |
ON/OFF |
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LT1780 |
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LT1039 |
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TTL INPUT 11 |
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8 |
RS232 OUTPUT |
TTL INPUT 15 |
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4 |
RS232 OUTPUT |
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TTL INPUT 12 |
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15 RS232 OUTPUT |
TTL INPUT |
13 |
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6 |
RS232 OUTPUT |
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TTL INPUT |
11 |
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8 |
RS232 OUTPUT |
TTL OUTPUT 13 |
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14 RS232 INPUT |
TTL OUTPUT |
16 |
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3 |
RS232 INPUT |
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5k |
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30k |
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TTL OUTPUT 10 |
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9 |
RS232 INPUT |
TTL OUTPUT |
14 |
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5 |
RS232 INPUT |
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5k |
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30k |
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2 |
C1+ |
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TTL OUTPUT |
12 |
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7 |
RS232 INPUT |
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1μF |
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4 |
C1– |
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30k |
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1 |
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C2 |
+ |
V+ |
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V |
+ |
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1μF |
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6 |
C2 |
– |
V – |
7 |
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9 |
V |
– |
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GND |
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GND |
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1μF |
1μF |
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16 |
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10 |
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1780/81 • TA04 |
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RELATED PARTS
PART NUMBER |
DESCRIPTION |
COMMENTS |
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LT1137A |
3Driver/5Receiver RS232 Transceiver |
IEC-1000-4-2 Level 4 ESD Compliance |
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LTC1383 |
5V Low Power RS232 2Driver/2Receiver Transceiver |
Low Supply Current ICC = 220μA |
LTC1387 |
Single 5V RS232/RS485 Multiprotocol Transceiver |
Configurable as Dual RS232 or Single RS485 Transceiver |
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12 |
Linear Technology Corporation |
1630 McCarthy Blvd., Milpitas, CA 95035-7417 |
17801f LT/TP 0498 4K • PRINTED IN USA
(408)432-1900● FAX:(408)434-0507 ● www.linear-tech.com |
ã LINEAR TECHNOLOGY CORPORATION 1998 |