st3232b STMicroelectronics, st3232b Datasheet

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st3232b

Manufacturer Part Number
st3232b
Description
3 To 5.5 V, Low Power, Up To 400 Kbps Rs-232 Drivers And Receivers
Manufacturer
STMicroelectronics
Datasheet

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Features
Description
The ST3232 is a 3 V powered EIA/TIA-232 and
V.28/V.24 communication interface with low power
requirements, high data-rate capabilities.
ST3232 has a proprietary low dropout transmitter
output stage providing true RS-232 performance
from 3 to 5.5 V supplies. The device requires only
four small 0.1 mF standard external capacitors for
operations from 3 V supply.
The ST3232 has two receivers and two drivers.
The device is guaranteed to run at data rates of
250 kbps while maintaining RS-232 output levels.
Typical applications are Notebook, Subnotebook
and Palmtop Computers, Battery Powered
Table 1.
February 2008
Order codes
ST3232CWR
ST3232BWR
ST3232CDR
ST3232BDR
ST3232CTR
ST3232BTR
300 µA supply current
300 kbps minimum guaranteed data rate
6 V/µs minimum guaranteed slew rate
Meet EIA/TIA-232 specifications down to 3 V
Available in SO-16, SO-16 large and TSSOP16
Device summary
Temp. range
-40 to 85 °C
-40 to 85 °C
-40 to 85 °C
0 to 70 °C
0 to 70 °C
0 to 70 °C
SO-16 Large (tape and reel)
SO-16 Large (tape and reel)
TSSOP16 (tape and reel)
TSSOP16 (tape and reel)
SO-16 (tape and reel)
SO-16 (tape and reel)
Package
3 to 5.5 V, low power, up to 400 kbps
Rev 11
Equipment, Hand-Held Equipment, Peripherals
and Printers.
RS-232 drivers and receivers
SO-16
TSSOP16
2500 parts per reel
2500 parts per reel
1000 parts per reel
1000 parts per reel
2500 parts per reel
2500 parts per reel
Packaging
ST3232B
ST3232C
SO-16 Large
www.st.com
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st3232b Summary of contents

Page 1

... Package SO-16 (tape and reel) SO-16 (tape and reel) SO-16 Large (tape and reel) SO-16 Large (tape and reel) TSSOP16 (tape and reel) TSSOP16 (tape and reel) Rev 11 ST3232B ST3232C SO-16 Large TSSOP16 Packaging 2500 parts per reel 2500 parts per reel 1000 parts per reel ...

Page 2

Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

Pin configuration 1 Figure 1. Pin connection Table 2. Pin description Pin n° Symbol OUT ...

Page 4

Absolute maximum ratings Table 3. Absolute maximum ratings Symbol V Supply voltage CC V+ Doubled voltage terminal V- Inverted voltage terminal V+ +|V-| T Transmitter input voltage range IN R Receiver input voltage range IN T Transmitter output voltage ...

Page 5

Electrical characteristics Table 4. Electrical characteristics (C otherwise specified. Typical values are referred to T Symbol Parameter I V Power supply current SUPPLY CC Table 5. Logic input ( specified. Typical values are referred to T ...

Page 6

Table 8. Timing characteristics ( - °C, unless otherwise specified. Typical values are referred Symbol Parameter D Data transfer rate R t Propagation delay input to PHLR t output PLHR |t Transmitter propagation ...

Page 7

Application Figure 2. Application circuits Table 9. Capacitance value (µ 3.0 to 3.6 0.1 4.5 to 5.5 0.047 C2 C3 0.1 0.1 0.33 0.33 C4 Cbypass 0.1 0.1 0.33 0.33 7/18 ...

Page 8

Typical performance characteristics (unless otherwise specified T Figure 3. Driver voltage transfer characteristics for transmitter input Figure 5. Output current vs output low voltage 8/ °C) J Figure 4. Driver voltage transfer characteristics for receiver inputs Figure ...

Page 9

Figure 7. Output current vs output high voltage Figure 9. Receiver input resistance Figure 8. Output current vs output high voltage 9/18 ...

Page 10

Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner ...

Page 11

SO-16 mechanical data mm. Dim. Min. Typ 0 0.35 b1 0. 9.8 E 5.8 e 1.27 e3 8.89 F 3.8 G 4 inch. Max. Min. Typ. 1.75 0.25 ...

Page 12

Dim. Min 0 0. 10 12/18 SO-16L mechanical data mm. Typ. Max. 2.65 0.2 2.45 0.49 0.32 0.5 45° (typ.) ...

Page 13

TSSOP16 mechanical data Dim. Min 0.05 A2 0.8 b 0.19 c 0.09 D 4.9 E 6.2 E1 4.3 e 0.65 BSC K 0° PIN 1 IDENTIFICATION 1 mm. Typ. Max. Min. 1.2 ...

Page 14

Tape & reel SO-16 mechanical data Dim. Min 12 6.45 Bo 10.3 Ko 2.1 Po 3.9 P 7.9 14/18 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 22.4 6.65 0.254 10.5 ...

Page 15

Tape & reel SO-16L mechanical data mm. Dim. Min. Typ 12 10.8 Bo 10.7 Ko 2.9 Po 3.9 P 11.9 inch. Max. Min. Typ. 330 13.2 0.504 0.795 2.362 22.4 11.0 0.425 ...

Page 16

Tape & reel TSSOP16 mechanical data Dim. Min 12 6.7 Bo 5.3 Ko 1.6 Po 3.9 P 7.9 16/18 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 22.4 6.9 0.264 5.5 ...

Page 17

Revision history Table 10. Document revision history Date Revision 06-Sep-2006 8 25-Oct-2006 9 21-Jan-2008 10 08-Feb-2008 11 Changes Order codes has been updated and new template. Order codes has been updated. Added note on Table 3. Modified: Table 1 ...

Page 18

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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