LT1537CSW Linear Technology, LT1537CSW Datasheet - Page 7

• Manufacturer Part Number: LT1537CSW
• Description: IC TXRX 5V RS232 LOW-PWR 28-SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LT1537CSW

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PACKAGE DESCRIPTIO
(0.229 – 0.330)
TYPICAL APPLICATIO S
0.009 – 0.013
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
RAD MIN
(0.127)
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS.
0.005
MOUSE
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
0.005 – 0.009
(0.13 – 0.22)
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
(0.254 – 0.737)
0.010 – 0.029
OPTICS
LOGIC
NOTE 1
(7.391 – 7.595)
0.291 – 0.299
V
V
(0.406 – 1.270)
(NOTE 2)
0.016 – 0.050
+
–
0.205 – 0.212*
(5.20 – 5.38)
0.022 – 0.037
(0.55 – 0.95)
45
0 – 8 TYP
(2.362 – 2.642)
0.093 – 0.104
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
(1.270)
0.050
TYP 0.014 – 0.019
0 – 8
(0.356 – 0.482)
(1)
(5)
U
DB9
U
(9)
0.0256
(0.65)
BSC
Dimensions in inches (millimeters) unless otherwise noted.
Typical Mouse Driving Application
0.010 – 0.015
(0.25 – 0.38)
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
28-Lead Plastic SOL
0.1 F
2 0.1 F
28-Lead SSOP
G Package
S Package
+
DRIVER 1 OUT
DRIVER 2 OUT
DRIVER 3 OUT
+
ON/OFF = 5V
2. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
5V V
(0.102 – 0.305)
0.004 – 0.012
RX1 IN
RX2 IN
RX3 IN
RX4 IN
RX5 IN
(0.940 – 1.143)
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
0.037 – 0.045
V
CC
+
0.002 – 0.008
(0.05 – 0.21)
0.068 – 0.078
NOTE 1
10
11
12
13
14
(1.73 – 1.99)
1
2
3
4
5
6
7
8
9
28SSOP 0694
28
1
LT1537
27
2
26
3
28
1 2 3 4 5 6 7 8 9 10 11 12
25
4
27
24
26
5
25
23
(17.70 – 18.08)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
6
0.697 – 0.712
24
(NOTE 2)
22 21 20 19 18 17 16 15
(10.07 – 10.33)
0.397 – 0.407*
7
DRIVER 1 IN
RX1 OUT
DRIVER 2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DRIVER 3 IN
RX5 OUT
GND
DRIVER DISABLE
23
V
22 21 20 19 18 17 16 15
8
–
9
10
+
11 12
2 0.1 F
13
13
LOGIC “0”
LOGIC “0”
LOGIC “1”
MOUSE DATA
14
LT1537
14
LT1137A • TA04
(10.007 – 10.643)
0.301 – 0.311
+
(7.65 – 7.90)
0.394 – 0.419
SOL28 0392
0.1 F
7