參數(shù)資料
型號: LT1237
廠商: Linear Technology Corporation
英文描述: Advanced Low Power Three Driver, Five Receiver RS232 Transceiver.(先進的低功率3發(fā)4收RS232收發(fā)器)
中文描述: 先進的低功耗三驅動器,接收器的RS232收發(fā)器五。(先進的低功率3發(fā)4收的RS232收發(fā)器)
文件頁數(shù): 8/8頁
文件大小: 178K
代理商: LT1237
8
LT1237
LINEAR TECHNOLOGY CORPORATION 1992
1237fa LT/TP 0799 2K REV A PRINTED IN USA
U
A
O
PPLICATI
TYPICAL
Typical Mouse Driving Application
RELATED PARTS
PART NUMBER
LTC
485
LT1137A
LTC1387
LT1780/LT1781
LT1785/LT1791
DESCRIPTION
Low Power RS485 Transceiver
3Dx/5Rx RS232 Transceiver
RS232/RS485 Multiprotocol Transceiver
2Dx/2Rx RS232 Transceiver
60V Fault Tolerant RS485 Transceiver
COMMENTS
15kV ESD
15kV ESD
15kV ESD
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTIOU
SW Package
28-Lead Plastic Small Outline (Wide 0.300)
(LTC DWG # 05-08-1620)
0.037 – 0.045
(0.940 – 1.143)
0.004 – 0.012
(0.102 – 0.305)
0.093 – 0.104
(2.362 – 2.642)
0.050
(1.270)
TYP
0.014 – 0.019
(0.356 – 0.482)
TYP
S28 (WIDE) 0996
NOTE 1
0.697 – 0.712*
(17.70 – 18.08)
22 21 20 19 18 17 16 15
23
1
2
3
4
5
6
7
8
0.394 – 0.419
(10.007 – 10.643)
9
10
25
26
11 12
24
14
13
27
28
0
°
– 8
°
TYP
NOTE 1
0.016 – 0.050
(0.406 – 1.270)
0.009 – 0.013
(0.229 – 0.330)
0.291 – 0.299**
(7.391 – 7.595)
×
45
°
0.010 – 0.029
(0.254 – 0.737)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
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
**
*
1237 TA03
5V V
CC
1.0
μ
F
2
×
0.1
μ
F
0.1
μ
F
DB9
LT1237
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DRIVER 1 OUT
RX1 IN
DRIVER 2 OUT
RX2 IN
RX3 IN
RX4 IN
DRIVER 3 OUT
RX5 IN (LOW-Q)
ON/OFF
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2
×
0.1
μ
F
DRIVER 1 IN
RX1 OUT
DRIVER 2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DRIVER 3 IN
RX5 OUT (LOW-Q)
GND
DRIVER DISABLE
MOUSE
V
V
+
LOGIC “0”
LOGIC “0”
MOUSE DATA
LOGIC “1”
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
(1)
(9)
(5)
LOGIC
OPTICS
V
+
V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
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