ICL3243E Intersil Corporation, ICL3243E Datasheet

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ICL3243E

Manufacturer Part Number
ICL3243E
Description
(ICL32xxE) RS-232 Transmitters/Receivers
Manufacturer
Intersil Corporation
Datasheet

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www.DataSheet4U.com
±15kV ESD Protected, +3V to +5.5V,
1Microamp, 250kbps, RS-232
Transmitters/Receivers
The Intersil ICL32xxE devices are 3.0V to 5.5V powered
RS-232 transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at V
they provide
and Human Body Model) on transmitter outputs and receiver
inputs (RS-232 pins). Targeted applications are PDAs,
Palmtops, and notebook and laptop computers where the
low operational, and even lower standby, power
consumption is critical. Efficient on-chip charge pumps,
coupled with manual and automatic powerdown functions
(except for the ICL3232E), reduce the standby supply
current to a 1µA trickle. Small footprint packaging, and the
use of small, low value capacitors ensure board space
savings as well. Data rates greater than 250kbps are
guaranteed at worst case load conditions. This family is fully
compatible with 3.3V-only systems, mixed 3.3V and 5.0V
systems, and 5.0V-only systems.
The ICL324XE are 3-driver, 5-receiver devices that provide a
complete serial port suitable for laptop or notebook
computers. Both devices also include noninverting
always-active receivers for “wake-up” capability.
The ICL3221E, ICL3223E and ICL3243E, feature an
automatic powerdown function which powers down the
on-chip power-supply and driver circuits. This occurs when
an attached peripheral device is shut off or the RS-232 cable
is removed, conserving system power automatically without
changes to the hardware or operating system. These
devices power up again when a valid RS-232 voltage is
applied to any receiver input.
Table 1 summarizes the features of the devices represented
by this data sheet, while Application Note AN9863
summarizes the features of each device comprising the
ICL32xxE 3V family.
NUMBER
ICL3221E
ICL3222E
ICL3223E
ICL3232E
ICL3241E
ICL3243E
PART
±
15kV ESD protection (IEC61000-4-2 Air Gap
NUMBER
OF Tx
1
2
2
2
3
3
NUMBER
®
OF Rx
1
1
2
2
2
5
5
CC
Data Sheet
= 3.0V. Additionally,
NUMBER OF
RECEIVERS
MONITOR
(R
OUTB
0
0
0
0
2
1
TABLE 1. SUMMARY OF FEATURES
)
1-888-INTERSIL or 1-888-468-3774
(kbps)
DATA
RATE
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
250
250
250
250
250
250
FUNCTION?
ICL3221E, ICL3222E, ICL3223E,
RECEIVER
ICL3232E, ICL3241E, ICL3243E
Features
• ESD Protection for RS-232 I/O Pins to
• Drop in Replacements for MAX3221E, MAX3222E,
• ICL3221E is a Low Power, Pin Compatible Upgrade for 5V
• ICL3222E is a Low Power, Pin Compatible Upgrade for 5V
• ICL3232E is a Low Power Upgrade for HIN232E, ICL232
• RS-232 Compatible with V
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
• Latch-Up Free
• On-Chip Voltage Converters Require Only Four External
• Manual and Automatic Powerdown Features
• Guaranteed Mouse Driveability (ICL324XE Only)
• Receiver Hysteresis For Improved Noise Immunity
• Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
• Wide Power Supply Range . . . . . . . Single +3V to +5.5V
• Low Supply Current in Powerdown State. . . . . . . . . . .1µA
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Any System Requiring RS-232 Communication Ports
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
ENABLE
MAX3223E, MAX3232E, MAX3241E, MAX3243E,
SP3243E
MAX221E
MAX242E, and SP312E
and Pin Compatible Competitor Devices
0.1µF Capacitors
- Battery Powered, Hand-Held, and Portable Equipment
- Laptop Computers, Notebooks, Palmtops
- Modems, Printers and other Peripherals
- Digital Cameras
- Cellular/Mobile Phones
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Yes
Yes
Yes
Yes
No
No
All other trademarks mentioned are the property of their respective owners.
June 22, 2007
|
Copyright Intersil Americas Inc. 2000-2005, 2007. All Rights Reserved
Intersil (and design) is a registered trademark of Intersil Americas Inc.
OUTPUT?
READY
No
No
No
No
No
No
POWER-DOWN?
CC
MANUAL
= 2.7V
Yes
Yes
Yes
Yes
Yes
No
±
15kV (IEC61000)
FN4910.19
POWERDOWN
AUTOMATIC
FUNCTION?
Yes
Yes
Yes
No
No
No

Related parts for ICL3243E

ICL3243E Summary of contents

Page 1

... Both devices also include noninverting always-active receivers for “wake-up” capability. The ICL3221E, ICL3223E and ICL3243E, feature an automatic powerdown function which powers down the on-chip power-supply and driver circuits. This occurs when an attached peripheral device is shut off or the RS-232 cable is removed, conserving system power automatically without www ...

Page 2

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Ordering Information PART NUMBER ICL3221ECA* ICL 3221ECA ICL3221ECAZ* (Note) ICL32 21ECAZ ICL3221ECAZA* (Note) ICL32 21ECAZ ICL3221ECV* 3221 ECV ICL3221ECVZ* (Note) 3221 ECVZ ICL3221EIA* ICL 3221EIA ICL3221EIAZ* (Note) ICL32 21EIAZ ICL3221EIV* 3221 EIV ICL3221EIVZ* (Note) 3221 EIVZ ...

Page 3

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Ordering Information PART NUMBER ICL3232EIAZ* (Note) 3232 EIAZ ICL3232EIB* ICL3232EIB ICL3232EIBZ* (Note) 3232EIBZ ICL3232EIBNZ* (Note) 3232EIBNZ ICL3232EIV-16* 3232E IV-16 ICL3232EIV-16Z* (Note) 3232E IV-16Z ICL3232EIV-20* ICL3232 EIV-20 ICL3232EIV-20Z* (Note) ICL3232 EIV-20Z ICL3241ECA* ICL 3241ECA ICL3241ECAZ* (Note) ICL3241 ECAZ ...

Page 4

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Pinouts ICL3221E (16 LD SSOP, TSSOP) TOP VIEW C1- 4 C2 R1IN 8 ICL3222E (20 LD SSOP, TSSOP) TOP VIEW C1- 4 C2 T2OUT 8 R2IN 9 R2OUT 10 www.DataSheet4U.com ICL3232E (16 LD SOIC, SSOP, TSSOP-16) ...

Page 5

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Pinouts (Continued) ICL3241E (28 LD SOIC, SSOP, TSSOP) TOP VIEW C2 R1IN 4 R2IN 5 R3IN 6 R4IN 7 R5IN 8 T1OUT 9 T2OUT 10 T3OUT 11 T3IN 12 T2IN 13 T1IN 14 Pin Descriptions PIN VCC System power supply input (3.0V to 5.5V). V+ Internally generated positive transmitter supply (+5.5V). ...

Page 6

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Typical Operating Circuits LOGIC LEVELS NOTE: The negative terminal of C www.DataSheet4U.com TTL/CMOS LOGIC LEVELS NOTE: The negative terminal ICL3221E +3.3V + 0.1µ C1 0.1µ C2+ + 0.1µ TTL/CMOS 9 R1 OUT ...

Page 7

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Typical Operating Circuits TTL/CMOS LOGIC LEVELS www.DataSheet4U.com TTL/CMOS LOGIC LEVELS NOTE: The negative terminal (Continued) ICL3223E +3.3V + 0.1µ C1 0.1µ C2+ + 0.1µ C2 OUT 5kΩ ...

Page 8

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Typical Operating Circuits ICL3241E +3.3V + 0.1µ C1 0.1µ C2+ + 0.1µ OUTB 20 R2 OUTB 19 R1 TTL/CMOS OUT LOGIC LEVELS 18 R2 OUT 17 R3 OUT 16 R4 OUT 15 R5 OUT 23 EN ...

Page 9

... ICL3232E) Output Voltage Low I OUT Output Voltage High I OUT AUTOMATIC POWERDOWN (ICL3221E, ICL3223E, ICL3243E Only, FORCEON = GND, FORCEOFF = V Receiver Input Thresholds to ICL32xxE Powers Up (see Figure 6) Enable Transmitters Receiver Input Thresholds to ICL32xxE Powers Down (see Figure 6) Disable Transmitters INVALID Output Voltage Low ...

Page 10

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Electrical Specifications Test Conditions: V Typicals are at T PARAMETER Receiver Threshold to Transmitters Enabled Delay ( Receiver Positive or Negative Threshold to INVALID High Delay (t ) INVH Receiver Positive or Negative Threshold to INVALID Low Delay (t ) INVL RECEIVER INPUTS Input Voltage Range ...

Page 11

... The ICL3221E, ICL3222E, ICL3223E, ICL3241E inverting receivers disable only when EN is driven high. ICL3243E receivers disable during forced (manual) powerdown, but not during automatic powerdown (see Table 2). ICL3241E and ICL3243E monitor receivers remain active even during manual powerdown and forced receiver disable, making them extremely useful for Ring Indicator monitoring ...

Page 12

... X NOTE: 4. Applies only to the ICL3241E and ICL3243E. 12 The ICL3221E, ICL3223E, and ICL3243E utilize a two pin approach where the FORCEON and FORCEOFF inputs determine the IC’s mode. For always enabled operation, FORCEON and FORCEOFF are both strapped high. To switch between active and powerdown modes, under logic or software control, only the FORCEOFF input need be driven. The FORCEON state isn’ ...

Page 13

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E The INVALID output always indicates whether or not a valid RS-232 signal is present at any of the receiver inputs (see Table 2), giving the user an easy way to determine when the interface block should power down. In the case of a disconnected interface cable where all the receiver inputs ...

Page 14

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E VALID RS-232 LEVEL - ICL32xxE IS ACTIVE 2.7V INDETERMINATE - POWERDOWN MAY OR MAY NOT OCCUR 0.3V INVALID LEVEL - POWERDOWN OCCURS AFTER 30µs -0.3V INDETERMINATE - POWERDOWN MAY OR MAY NOT OCCUR -2.7V VALID RS-232 LEVEL - ICL32xxE IS ACTIVE FIGURE 6. DEFINITION OF VALID RS-232 RECEIVER LEVELS Automatic powerdown operates when the FORCEON input is low, and the FORCEOFF input is high ...

Page 15

... TIME (20µs/DIV) FIGURE 8. TRANSMITTER OUTPUTS WHEN EXITING POWERDOWN Mouse Driveability The ICL3241E and ICL3243E have been specifically designed to power a serial mouse while operating from low voltage supplies. Figure 9 shows the transmitter output voltages under increasing load current. The on-chip switching regulator ensures the transmitters will supply at ± ...

Page 16

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Interconnection with 3V and 5V Logic The ICL32XX directly interface with 5V CMOS and TTL logic families. Nevertheless, with the ICL32XX at 3.3V, and the logic supply at 5V, AC, HC, and CD4000 outputs can drive ICL32XX inputs, but ICL32XX outputs do not reach the minimum V these logic families ...

Page 17

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Typical Performance Curves 45 ICL3221E 1000 2000 LOAD CAPACITANCE (pF) FIGURE 15. SUPPLY CURRENT vs LOAD CAPACITANCE WHEN TRANSMITTING DATA 45 ICL324XE 1000 2000 0 www.DataSheet4U.com LOAD CAPACITANCE (pF) FIGURE 17. SUPPLY CURRENT vs LOAD CAPACITANCE ...

Page 18

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Dual-In-Line Plastic Packages (PDIP) N INDEX N/2 AREA -A- D BASE PLANE SEATING PLANE 0.010 (0.25) M NOTES: 1. Controlling Dimensions: INCH. In case of conflict between English and Metric dimensions, the inch dimensions control. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 19

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Small Outline Plastic Packages (SOIC) N INDEX H AREA E - SEATING PLANE - - 0.25(0.010 NOTES: 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 20

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Thin Shrink Small Outline Plastic Packages (TSSOP) N INDEX E AREA E1 - 0.05(0.002) SEATING PLANE - - 0.10(0.004 NOTES: 1. These package dimensions are within allowable dimensions of JEDEC MO-153-AB, Issue E. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 21

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Small Outline Plastic Packages (SSOP) N INDEX H AREA E - SEATING PLANE - - 0.25(0.010 NOTES: 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 22

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Small Outline Plastic Packages (SOIC) N INDEX H AREA E - SEATING PLANE - - 0.25(0.010 NOTES: 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 23

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Small Outline Plastic Packages (SOIC) N INDEX H AREA E - SEATING PLANE - - 0.25(0.010 NOTES: 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 24

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Thin Shrink Small Outline Plastic Packages (TSSOP) N INDEX E AREA E1 - 0.05(0.002) SEATING PLANE - - 0.10(0.004 NOTES: 1. These package dimensions are within allowable dimensions of JEDEC MO-153-AC, Issue E. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 25

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Shrink Small Outline Plastic Packages (SSOP) N INDEX H AREA E - SEATING PLANE - - 0.25(0.010 NOTES: 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 26

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Thin Shrink Small Outline Plastic Packages (TSSOP) N INDEX E AREA E1 - 0.05(0.002) SEATING PLANE - - 0.10(0.004 NOTES: 1. These package dimensions are within allowable dimensions of JEDEC MO-153-AE, Issue E. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 27

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Shrink Small Outline Plastic Packages (SSOP) N INDEX H AREA E - SEATING PLANE - - 0.25(0.010 NOTES: 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

Page 28

... ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E Small Outline Plastic Packages (SOIC) N INDEX H AREA E - SEATING PLANE - - 0.25(0.010 NOTES: 1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. ...

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