Point-of-Sale (POS) Terminals



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Maxim > Solutions > Point-of-Sale (POS) Terminals

Communications

DATA SHEETS

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Title / Parts

Key Advantages

QV PDF

Demo Kit for the DS33X11
DS33X11DK

QV PDF

Ethernet Over PDH Mapping Devices
DS33W11, DS33W41, DS33X11, DS33X161, DS33X162, DS33X41, DS33X42, DS33X81, DS33X82

Industry's First Carrier Ethernet Devices to Support Up to 16 T1/E1s or 8 DS3s with Over 400Mbps Throughput

QV PDF

MAX9225/MAX9226 Evaluation Kit
MAX9225EVKIT, MAX9226EVKIT

QV PDF

Evaluation Kit for MAX9223/MAX9224
MAX9223EVKIT, MAX9224EVKIT

22-Bit Low-Power, CPU Interface, 8MHz to 30MHz Serializer and Deserializer Chipsets
MAX9251, MAX9252, MAX9253, MAX9255

Fully Integrated, Low-Power, Low-Jitter, 22-Bits-to-1 LCDS Serializer/Deserializer Chipsets Reduce EMI

QV PDF

22-Bit, Low-Power, 5MHz to 10MHz Serializer and Deserializer Chipsets
MAX9223, MAX9224

QV PDF

10-Bit, Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset
MAX9225, MAX9226

QV PDF

Ethernet Mapper with Integrated T1/E1/J1 Transceiver
DS33R11

QV PDF

3.3V Single-Piece 8Mb Nonvolatile SRAM
DS2065W

QV PDF

3.3V Single-Piece 4Mb Nonvolatile SRAM
DS2050W

QV PDF

Single-Piece 256Kb Nonvolatile SRAM
DS2030AB, DS2030Y

QV PDF

+5V, Fail-Safe, 20Mbps, Profibus RS-485/RS-422 Transceivers
MAX3460, MAX3461, MAX3462, MAX3463, MAX3464

QV PDF

+5V-Powered, Multichannel RS-232 Drivers/Receivers
MAX220, MAX222, MAX223, MAX225, MAX230, MAX231, MAX232, MAX232A, MAX233, MAX233A, MAX234, MAX235, MAX236, MAX237, MAX238, MAX239, MAX240, MAX241, MAX242, MAX243, MAX244, MAX245, MAX246, MAX247, MAX248, MAX249

QV PDF

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX1487, MAX481, MAX483, MAX485, MAX487, MAX488, MAX489, MAX490, MAX491

QV PDF

3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1µF External Capacitors
MAX3222, MAX3232, MAX3237, MAX3241

Key Specifications: High-Speed Interconnect (Differential Signaling)

Part Number

Features

Rx Signal Type

Tx Signal Type

Functions

Number of Rx

Number of Tx

Data Rates (Mbps)

Supply Voltage (V)

MAX9223

•	Low Power Consumption

LVCMOS

LCDS

•	Serializer

220

3.3

MAX9224

•	Low Power Consumption

LCDS

LVCMOS

•	Deserializer

220

3.3

MAX9225

•	Low Power Consumption

LVCMOS

LCDS

•	Serializer

200

3.3

MAX9226

•	Low Power Consumption

LCDS

LVCMOS

•	Serializer

200

3.3

See All High-Speed Interconnect (Differential Signaling) (132)

Key Specifications: Memory (EPROM, EEPROM, ROM, NV SRAM)

Part Number

Memory Type

Memory Size

Bus Type

Real-Time Clock

DIP with Internal Battery

PowerCap Package

Battery Monitor

With GPIO

Single Piece Module

Features

Supply Voltage (min) (V)

Supply Voltage (max) (V)

DS2050W

NV SRAM

512K x 8

Parallel

Yes

•

µP Reset

3.6

DS2065W

NV SRAM

1M x 8

Parallel

Yes

•

µP Reset

3.6

DS2030AB

NV SRAM

32K x 8

Parallel

Yes

•

µP Reset

4.75

5.25

DS2030Y

NV SRAM

32K x 8

Parallel

Yes

•

µP Reset

4.5

5.5

See All Memory (EPROM, EEPROM, ROM, NV SRAM) (70)

Key Specifications: RS-232 Line Driver/Receivers
Part Number	Supply Voltage (V)	Number of Tx	Number of Rx	Data Rate (kbps)	Typ. I_CC Current (mA)	Internal Charge Pump	Number of Ext. Caps	Nom. Cap. Value (µF)	Number of Rx Active in Shutdown	Package
MAX220	5	2	2	120	0.5	Yes	4	0.1	-	Ceramic DIP/16 PDIP/16 SOIC/16
MAX222	5	2	2	200	4	Yes	4	0.1	0	Ceramic DIP/18 LCC/20 PDIP/18 SOIC/18
MAX223	5	4	5	120	7	Yes	4	1	2	SOIC/28 SSOP/28
MAX225	5	5	5	120	10	Yes	0	-	5	SOIC/28
MAX230	5	5	0	120	7	Yes	4	1	-	Ceramic DIP/20 PDIP/20 SOIC/20
MAX231	12 5	2	2	120	0.4	No	2	1	-	Ceramic DIP/14 PDIP/14 SOIC/16
MAX232	5	2	2	120	5	Yes	4	1	-	Ceramic DIP/16 LCC/20 PDIP/16 SOIC/16 TSSOP/16
MAX232A	5	2	2	200	4	Yes	4	0.1	-	Ceramic DIP/16 LCC/20 PDIP/16 SOIC/16 TSSOP/16
MAX233	5	2	2	120	5	Yes	0	-	-	PDIP/20 SOIC/20
MAX233A	5	2	2	200	4	Yes	0	-	-	PDIP/20 SOIC/20
MAX234	5	4	0	120	7	Yes	4	1	-	Ceramic DIP/16 PDIP/16 SOIC/16
MAX235	5	5	5	120	7	Yes	0	-	-	PDIP/24 SideBraze/24
MAX236	5	4	3	120	7	Yes	4	1	-	Ceramic DIP/24 PDIP/24 SOIC/24
MAX237	5	5	3	120	7	Yes	4	1	-	Ceramic DIP/24 PDIP/24 SOIC/24
MAX238	5	4	4	120	7	Yes	4	1	-	Ceramic DIP/24 PDIP/24 SOIC/24
MAX239	12 5	3	5	120	0.4	No	2	1	-	Ceramic DIP/24 PDIP/24 SOIC/24
MAX240	5	5	5	120	7	Yes	4	1	-	MQFP/44
MAX241	5	4	5	120	7	Yes	4	1	-	SOIC/28 SSOP/28
MAX242	5	2	2	200	4	Yes	4	0.1	2	Ceramic DIP/18 PDIP/18 SOIC/18 SSOP/20
MAX243	5	2	2	200	4	Yes	4	0.1	-	Ceramic DIP/16 PDIP/16 SOIC/16
MAX244	5	8	10	120	11	Yes	4	1	-	PLCC/44
MAX245	5	8	10	120	11	Yes	0	-	10	PDIP/40
MAX246	5	8	10	120	11	Yes	0	-	10	PDIP/40
MAX247	5	8	9	120	11	Yes	0	-	9	PDIP/40
MAX248	5	8	8	120	11	Yes	4	1	8	PLCC/44
MAX249	5	6	10	120	11	Yes	4	1	10	PLCC/44
MAX3222	3.3 5	2	2	120	0.3	Yes	4	0.1	2	PDIP/18 SOIC/18 SSOP/20 TSSOP/20
MAX3232	3.3 5	2	2	120	0.3	Yes	4	0.1	-	PDIP/16 SOIC/16 SSOP/16 TSSOP/16
MAX3237	3.3 5	5	3	1,000	0.5	Yes	4	0.1	3	SSOP/28
MAX3241	3.3 5	3	5	120	0.3	Yes	4	0.1	5	SOIC/28 SSOP/28 TSSOP/28
See All RS-232 Line Driver/Receivers (155)

Key Specifications: RS-422/485 Line Driver/Receivers
Part Number	Number of Tx/Rx	Duplex	Supply Voltage (V)	Typ. I_CC (mA)	Data Rate (kbps)	Tx EN	Rx EN	Typ. Shutdown I_CC (µA)	Number of Rx/Tx on Bus	Package
MAX3460	1Tx + 1Rx	Full	5	2.5	20,000	Yes	Yes	1	128	PDIP/14 SOIC/14
MAX3461	1Tx + 1Rx	Full	5	2.5	20,000	Yes	Yes	1	128	PDIP/14 SOIC/14
MAX3462	1Tx + 1Rx	Full	5	2.5	20,000	No	No	-	128	PDIP/8 SOIC/8
MAX3463	1Tx + 1Rx	Half	5	2.5	20,000	Yes	Yes	1	128	PDIP/8 SOIC/8
MAX3464	1Tx + 1Rx	Half	5	2.5	20,000	Yes	Yes	1	128	PDIP/8 SOIC/8
MAX1487	1Tx + 1Rx	Half	5	0.3	2,500	Yes	Yes	-	128	PDIP/8 SOIC/8 uMAX/8
MAX481	1Tx + 1Rx	Half	5	0.5	2,500	Yes	Yes	0.1	32	Ceramic DIP/8 PDIP/8 SOIC/8 uMAX/8
MAX483	1Tx + 1Rx	Half	5	0.35	250	Yes	Yes	0.1	32	Ceramic DIP/8 PDIP/8 SOIC/8 uMAX/8
MAX485	1Tx + 1Rx	Half	5	0.5	2,500	Yes	Yes	-	32	Ceramic DIP/8 PDIP/8 SOIC/8 uMAX/8
MAX487	1Tx + 1Rx	Half	5	0.25	250	Yes	Yes	0.1	128	Ceramic DIP/8 PDIP/8 SOIC/8 uMAX/8
MAX488	1Tx + 1Rx	Full	5	0.12	250	No	No	-	32	Ceramic DIP/8 PDIP/8 SOIC/8 uMAX/8
MAX489	1Tx + 1Rx	Full	5	0.12	250	Yes	Yes	-	32	Ceramic DIP/14 PDIP/14 SOIC/14
MAX490	1Tx + 1Rx	Full	5	0.3	2,500	No	No	-	32	Ceramic DIP/8 PDIP/8 SOIC/8 uMAX/8
MAX491	1Tx + 1Rx	Full	5	0.3	2,500	Yes	Yes	-	32	Ceramic DIP/14 PDIP/14 SOIC/14
See All RS-422/485 Line Driver/Receivers (150)

Key Specifications: T/E Carrier & Packetized Products

Part Number

Transmission Standard

Functions

Number of Channels

Input to Output Clocks (MHz)

5V-Tolerant I/O

Supply Voltage (V)

EV-Kit

Package

DS33W11

Ethernet/Serial TDM

•	Ethernet Mapper

Yes

3.3

CSBGA/256

DS33W41

Ethernet/Serial TDM

•	Ethernet Mapper

2
4

Yes

3.3

Yes

CSBGA/256

DS33X11

Ethernet/Serial TDM

•	Ethernet Mapper

Yes

3.3

Yes

CSBGA/144

DS33X161

Ethernet/Serial TDM

•	Ethernet Mapper

1
16

Yes

3.3

CSBGA/256

DS33X162

Ethernet/Serial TDM

•	Ethernet Mapper

16
2

Yes

3.3

Yes

CSBGA/256

DS33X41

Ethernet/Serial TDM

•	Ethernet Mapper

1
4

Yes

3.3

CSBGA/256

DS33X42

Ethernet/Serial TDM

•	Ethernet Mapper

2
4

Yes

3.3

CSBGA/256

DS33X81

Ethernet/Serial TDM

•	Ethernet Mapper

1
8

Yes

3.3

CSBGA/256

DS33X82

Ethernet/Serial TDM

•	Ethernet Mapper

2
8

Yes

3.3

CSBGA/256

DS33R11

Ethernet/Serial TDM
T1/E1/J1

•	Ethernet Mapper

1.544 to 4.096 & 8.192

3.3

Yes

BGA/256

See All T/E Carrier & Packetized Products (97)