SP333_07_技术文档

®

SP333

+5V Only RS-232/AppleTalk™ Programmable Transceiver

■ +5V Only, Single Supply Operation

■ Low Power Shutdown

■ 28-Pin SOIC Packaging

■ 3 Drivers, 5 Receivers – RS-232

■ Complete AppleTalk™ Interface

■ High Data Rates

5Mbps Differential Transceivers

460kbps Single-Ended Transceivers

Now Available in Lead Free Packaging

DESCRIPTION…

The SP333 is a monolithic device that supports both Macintosh™ and PC serial interfaces.

RS-232 mode offers three (3) RS-232 drivers and five (5) RS-232 receivers. Mac mode

includes a differential driver and a single-ended inverting driver. Receivers in Mac mode

include one differential receiver, one non-inverting single-ended receiver and one inverting

single-ended receiver. An on-chip charge pump allows +5V-only operation, and a low power

ShutdownmodemakestheSP333idealforbatterypoweredapplications. Theinterfacemode

can be changed at any time by a mode select pin.

+5V

PC Mode

Mac Mode

0V

25

+5V

0.1µF

5

V_CC

25

9

10

RS-232/MacMode

0.1µF

12

11

12

11

SP333 ^V+14

14

26

V+

0.1µF

SP333

V-

C2+

C2-

C2+

C2-

0.1µF

26

Shutdown

13

27

13

6

7

TI1

TX1

TX2

T1

T2

T3

TI1

27

2

T1

7

TXEN

TI2

TX2

TX3

28

4

TI3

TX3

RI2

1

T3

16

15

RX1

RI1

R1

19

RX1

19

R1

RI1

16

17

18

RX2

RX3

RX4

RI2

R2

20

21

22

RI3

R3

17

RI3

RX3

21

R3

RI4

R4

24

8

RX5

RI5

R5

23

3

RX5

24

8

23

3

RI5

R5

RXEN

GND

RXEN

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

1

ABSOLUTE MAXIMUM RATINGS

These are stress ratings only and functional operation of the device at

theseratingsoranyotherabovethoseindicatedintheoperationsections

ofthespecificationsbelowisnotimplied. Exposuretoabsolutemaximum

rating conditions for extended periods of time may affect reliability.

V_CC...................................................................................................+12V

Input Voltages

Logic........................................................-0.3Vto(V_CC+0.5V)

Drivers..................................................-0.3Vto(V_CC+0.5V)

Receivers..................................................................±15V

DriverOutputs......................................................................................±14V

Storage Temperature..................................................-65˚C to +150˚C

PowerDissipation..........................................................................1000mW

SPECIFICATIONS

T_MINto T_MAXand V_CC= 5V±5% unless otherwise noted.

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

MAC Mode (pin 25 = +5V)

Differential Driver

High Level Output Voltage

Low Level Output Voltage

Differential Output, Load

Differential Output, No Load

Driver Short Circuit Current

+3.6

Volts

mA

I

_OH= 8mA

-3.6

I_OH= –8mA

R_L= 450Ω (TX outputs to GND)

R_L= ∞

±5V

±40

±10

500

–7V≤V_O≤+7V; V_{IN LOW}≤0.8V or

V

_{IN HIGH}≥2.0V

Output Leakage Current

Input High Voltage

Input Low Voltage

Input Current

±100

µA

–7V≤V_O≤+7V; TxEN = V_CC

Applies to differential driver inputs

V_IN= 0V to V_CC

2.0

Volts

µA

0.8

±20

Transition Time

30

ns

R_L= 450Ω, C_L= 50pF; Rise/Fall

10% – 90%

Propagation Delay

t_PHL

t_PLH

Data Rate

100

ns

Mbps

R_L= 450Ω, C_L= 50pF

5

Single-Ended Inverting Driver

High Level Output Voltage

+3.6

–6.0

+6.0

–3.6

±10

Volts

R_L= 450Ω to GND; V_{IN LOW}≤0.8V or

V

_{IN HIGH}≥2.0V

R_L= 450Ω to GND; V_{IN LOW}≤0.8V or

_{IN HIGH}≥2.0V

Low Level Output Voltage

V

Driver Open Circuit Voltage

Driver Short Circuit Current

Input High Voltage

Input Low Voltage

Input Current

Volts

mA

Volts

µA

R_L= ∞

±40

–7V≤V_O≤+7V; Infinite duration

Applies to single-ended driver inputs

V_IN= 0V to V_CC

2.0

0.8

±20

Transition Time

30

ns

R_L= 450Ω, C_L= 50pF; Rise/Fall

10% – 90%

Propagation Delay

t_PHL

t_PLH

Data Rate

100

ns

Mbps

R_L= 450Ω, C_L= 50pF

5

Differential Receiver

Differential Input Threshold

Input Hysteresis

-0.2

+0.2

Volts

mV

-7V≤V_CM≤+7V

V_CM=0V

70

Input Resistance

12

3.5

kΩ

-7V≤V_CM≤+7V

I_SOURCE= –4mA

I_SINK= +4mA

0V≤V_OUT≤V_CC

Output Voltage High

Output Voltage Low

Short Circuit Current

Volts

mA

0.4

85

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

2

SPECIFICATIONS (CONTINUED)

T_MINto T_MAXand V_CC= 5V±5% unless otherwise noted.

PARAMETER

Differential Receiver

Propagation Delay

t_PHL

t_PLH

Data Rate

MIN.

TYP.

MAX.

UNITS

CONDITIONS

100

ns

Mbps

R_L= 450Ω, C_L= 50pF

5

Single-Ended Inverting Receiver

Input Voltage Range

Input Threshold Low

Input Threshold High

Hysteresis

Input Impedance

Output Voltage High

Output Voltage Low

Propagation Delay

t_PHL

–15

0.8

+15

Volts

mV

kΩ

Volts

1.2

1.7

500

5

3.0

1000

7

200

3

3.5

I_SOURCE= –4mA

I_SINK= +4mA

0.4

100

ns

t_PLH

Data Rate

5

Mbps

Single-Ended Non-Inverting Receiver

Input Voltage Range

Input Threshold Low

Input Threshold High

Hysteresis

Input Impedance

Output Voltage High

Output Voltage Low

Propagation Delay

t_PHL

–7

-0.2

+7

Volts

mV

kΩ

Volts

+0.2

70

15

12

3.5

I_SOURCE= –4mA

I_SINK= +4mA

0.4

100

ns

t_PLH

Data Rate

5

Mbps

PC Mode (pin 25 = GND)

RS-232 Driver

TTL Input Levels

V_IL

0.8

Volts

mA

Applies to transmitter inputs

R_L= 3kΩ to Gnd

R_L= ∞

V_IH

2.0

+5.0

-15.0

High Level Voltage Output

Low Level Voltage Output

Open Circuit Output

Short Circuit Current

Power Off Impedance

Slew Rate

+15.0

-5.0

±15

±100

V_OUT= Gnd

300

Ohms

V/µs

V_CC=0V; V_OUT= ±2V

R_L=3kΩ, C_L=50pF; From +3V

to -3V or -3V to +3V

Rise/fall time, between +3V & –3V

; R_L=3kΩ, C_L=2500pF

60

Transition Time

1.56

µs

Propagation Delay

t_PHL

1.5

1.3

µs

R_L=3kΩ, C_L=1000pF; From 1.5V

of T_INto 50% of V_OUT

R_L=3kΩ, C_L=1000pF; From 1.5V

of T_INto 50% of V_OUT

t_PLH

µs

Data Rate

460

2.4

600

kbps

R_L=3kΩ, C_L=1000pF

RS-232 Receiver

TTL Output Levels

V_OL

0.4

3.0

Volts

I_SINK= 4mA

I_SOURCE= -4mA

V_OH

Receiver Input

High Threshold

1.7

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

3

SPECIFICATIONS (CONTINUED)

T_MINto T_MAXand V_CC= 5V±5% unless otherwise noted.

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

RS-232 Receiver

Low Threshold

Input Voltage Range

Input Impedance

Hysteresis

Transmission Rate

Propagation Delay

t_PHL

0.8

-15

3

0.2

10

1.2

Volts

kOhms

Volts

+15

7

1.0

5

0.5

V_IN=±15V

V_CC=+5V

Mbps

100

600

ns

kbps

From 50% of V_INto 1.5V of R_OUT

t_PLH

Data Rate

460

POWER REQUIREMENTS

No Load Supply Current

Shutdown Supply Current

15

25

75

mA

µA

No load; V_CC=5.0V; T_A=25˚C

T_A=25˚C, V_CC=5.0V

AC PARAMETERS

Differential Mode

t_PZL; Enable to Output low

t_PZH; Enable to Output high

t_PLZ; Disable from Output low

t_PHZ; Disable from Output high

200

1000

ns

C_L=100pF, Figures 2 & 4, S₂closed

C_L=100pF, Figures 2 & 4, S₁closed

C_L=15pF, Figures 2 & 4, S₂closed

C_L=15pF, Figures 2 & 4, S₁closed

Receiver Delay Time from Enable Mode to Tri-state Mode

Single-Ended Mode

t_PZL; Enable to Output low

t_PZH; Enable to Output high

t_PLZ; Disable from Output low

t_PHZ; Disable from Output high

200

1000

ns

C_RL=15pF, Figures 1 & 6, S₁closed

C_RL=15pF, Figures 1 & 6, S₂closed

C_RL=15pF, Figures 1 & 6, S₁closed

C_RL=15pF, Figures 1 & 6, S₂closed

Differential Mode

t_PZL; Enable to Output low

t_PZH; Enable to Output high

t_PLZ; Disable from Output low

t_PHZ; Disable from Output high

200

1000

ns

C_RL=15pF, Figures 1 & 6, S₁closed

C_RL=15pF, Figures 1 & 6, S₂closed

C_RL=15pF, Figures 1 & 6, S₁closed

C_RL=15pF, Figures 1 & 6, S₂closed

Notes:

1.

2.

3.

4.

Measured from 2.5V of R_INto 2.5V of R_OUT

Measured from one–half of R_INto 2.5V of R_OUT

Measured from 1.5V of T_INto one–half of T_OUT

Measured from 2.5V of R_Oto 0V of A and B.

.

1KΩ

Test Point

V

CC

Receiver

Output

S

V

CC

1

S

1

500Ω

Output

Under

Test

C

RL

1KΩ

C

L

2

S

2

Figure 1. Driver Timing Test Load

C i r c u i t

Figure 2. Receiver Timing Test Load

C i r c u i t

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

4

f = 1MHz; t_R< 10ns; t_F< 10ns

1.5V

+3V

0V

1.5V

DRIVER INPUT

t_PLH

t_PHL

TX₂

1/2V_O

t_SKEW

DRIVER

OUTPUT

V_O

TX₁

t_SKEW

+

V_O

DIFFERENTIAL

OUTPUT

0V

–

V_O

TX₁– TX₂

t_R

t_F

Figure 3. Driver Propagation Delays

f = 1MHz; t_R< 10ns; t_F< 10ns

1.5V

+3V

TXEN

0V

1.5V

t_ZL

2.3V

t_LZ

5V

TX_x

Output normally LOW

Output normally HIGH

0.5V

V_OL

V_OH

TX_x

0.5V

t_HZ

2.3V

t_ZH

0V

Figure 4. Driver Enable and Disable Times

+

–

V

0D2

0V

RI –RI

1

2

0D2

INPUT

V

OH

1.5V

RX

OUTPUT

V

OL

t

PLH

PHL

f = 1MHz; t < 10ns; t < 10ns

R

F

Figure 5. Receiver Propagation Delays

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

5

+3V

1.5V

RXEN

f = 1MHz; t < 10ns; t < 10ns

R

F

0V

5V

t

LZ

ZL

RX

1.5V

x

Output normally LOW

Output normally HIGH

0.5V

V

IL

V

IH

RX

x

1.5V

0V

t

HZ

ZH

Figure 6. Receiver Enable and Disable Times

The single-ended AppleTalk driver also has

typical voltage output swings of ±5V under

loaded conditions, and ±8V under no-load con-

ditions. The single-ended AppleTalk driver can

maintain ±3.6V (minimum) swings under worst

case conditions of 450Ω to ground. The single-

ended AppleTalk driver can support data rates

up to 5Mbps.

THEORY OF OPERATION...

The SP333 is a single chip device that can be

configured via software for either RS-232 or

AppleTalk™ interface modes at any time. The

SP333 is made up of three basic circuit ele-

ments: single-ended drivers and receivers, dif-

ferentialdriversandreceivers,andchargepump.

The receiver section of the SP333 is made up of

a differential receiver, a single-ended non-in-

verting receiver , and a single-ended inverting

receiver. The differential receiver has an input

sensitivity of ±200mV over a common mode

range of ±7V. The receivers have a typical input

resistance of 15kΩ (12kΩ minimum). The

differential receiver can receive data up to

5Mbps.

APPLETALK™ DRIVERS/RECEIVERS...

To program the SP333 for MacMode, Pin 25

should be connected to a logic HIGH. In

MacMode, the SP333 offers a complete

AppleTalk serial interface.

The driver section of the AppleTalk interface is

made up of a differential driver and a single-

ended inverting driver. The differential driver

has voltage swings that are typically ±5V on

each output pin under loaded conditions, and

typically ±8V under no-load conditions. The

differential driver can maintain ±3.6V (mini-

mum) swings (per pin) under worst case load

conditions of 450Ω between the differential

output.

The single-ended non-inverting receiver has a

±200mV input threshold, however, the input

voltage can vary between ±7V. The typical

input resistance of the single-ended non-invert-

ing receiver is 15kΩ (12kΩ minimum). The

single-ended non-inverting receiver can also

receive data up to 5Mbps.

The differential driver is equipped with a tri-

state control pin. When TXEN is a logic LOW,

thedifferentialdriverisactive. WhentheTXEN

pin is a logic HIGH, the differential driver

outputs are tri-stated. The TXEN pin only

functions in MacMode. The differential

AppleTalk driver can support data rates up to

5Mbps.

The SP333 also has a single-ended inverting

receiver input. This receiver is basically an RS-

232 receiver (R5 receiver) and is typically used

as a GPI (General Purpose Input) in the

AppleTalk interface. The GPI input has TTL-

compatible input thresholds that can receive

signals up to ±15V. The input resistance of the

single-ended inverting receiver is typically 5kΩ

(3kΩ to 7kΩ). The GPI receiver can operate up

to 5Mbps.

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

6

output to a logic HIGH state. The input resis-

tancewillmaintain3kΩ-7kΩovera±15Vrange.

The maximum operating voltage range for the

receiver is ±30V, under these conditions the

input current to the receiver must be limited to

less than 100mA. Due to the on-chip ESD pro-

tection circuitry, the receiver inputs will be

clamped to ±15V levels; this should not affect

operation at ±30Volts. The RS-232 receivers

can operate over 400kbps.

SINGLEENDEDDRIVERS/RECEIVERS...

RS-232 (V.28) Drivers...

The single-ended drivers and receivers comply

the with the RS-232E and V.28 standards. The

drivers are inverting transmitters which accept

either TTL or CMOS inputs and output the RS-

232 signals with an inverted sense relative to the

input logic levels. Typically, the RS-232 driver

output voltage swing is ±9V with no load and is

guaranteed to be greater than ±5V under full

load. The drivers rely on the V+ and V- voltages

generated by the on-chip charge pump to main-

tain proper RS-232 output levels. With worst

case load conditions of 3kΩ and 2500pF, the

four RS-232 drivers can still maintain ±5V

output levels. The drivers can operate over

400kbps; the propagation delay from input to

output is typically 1.5µs. During shutdown, the

driver outputs will be put into a high impedance

tri-state mode.

CHARGE PUMP...

The charge pump is a Sipex-patented design

(5,306,954) and uses a unique approach com-

pared to older less-efficient designs. The charge

pump still requires four external capacitors, but

uses a four-phase voltage shifting technique to

attain symmetrical 10V power supplies. The

capacitor values of the SP333 can be as low as

0.1µF. Figure 11a shows the waveform found

on the positive side of capacitor C2, and Figure

11b shows the negative side of capacitor C2.

There is a free-running oscillator that controls

the four phases of the voltage shifting. A de-

scription of each phase follows.

RS-232 (V.28) Receivers...

The RS-232 receivers convert RS-232 input

signals to inverted TTL signals. Each of the four

receivers features 500mV of hysteresis margin

to minimize the affects of noisy tranmission

lines. The inputs also have a 5kΩ resistor to

ground, in an open circuit situation the input of

the receiver will be forced low, committing the

V

= +5V

V

= +5V

CC

C

+

+10V

C

4

+

4

+5V

–

+

V

Storage Capacitor

–

+

V

Storage Capacitor

DD

+

–

+

–

+

–

+

–

C

2

C

2

1

–

SS

C

3

–5V

3

Figure 7. Charge Pump Phase 1

Figure 8. Charge Pump Phase 2

V

= +5V

V

= +5V

CC

C

+5V

4

+

–

+

–

V

Storage Capacitor

V

Storage Capacitor

DD

SS

DD

+

–

+

–

+

–

+

–

C

2

1

2

1

+

–

V

Storage Capacitor

V

SS

C

3

–10V

–5V

3

Figure 10. Charge Pump Phase 4

Figure 9. Charge Pump Phase 3

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

7

the Vdd storage capacitor. Simultaneously with

this,thepositivesideofcapacitorC1isswitched

to +5V and the negative side is connected to

ground, and the cycle begins again.

Phase 1

-Vss charge storage- During this phase of the

clock cycle, the positive side of capacitors C1

and C2 are initially charged to +5V. C1+ is then

switched to ground and charge in C1- is trans-

ferred to C2-. Since C2+ is connected to +5V,

the voltage potential across capacitor C2 is

now 10V.

Since both V+ and V- are separately generated

from Vcc in a no load condition, V+ and V- will

be symmetrical. Older charge pump approaches

that generate V- from V+ will show a decrease

in the magnitude of V- compared to V+ due to

the inherent inefficiencies in the design.

Phase 2

-Vss transfer- Phase two of the clock connects

the negative terminal of C2 to the Vss storage

capacitor and the positive terminal of C2 to

ground, and transfers the generated -10V to C3.

Simultaneously, the positive side of capacitor

C1 is switched to +5V and the negative side is

connected to ground.

The clock rate for the charge pump typically

operatesat15kHz.Theexternalcapacitorsshould

be 0.1µF with a 16V breakdown rating.

External Power Supplies

For applications that do not require +5V only,

external supplies can be applied at the V+ and

V- pins. The value of the external supply volt-

ages must be no greater than ±10V. The current

drain from the ±10V supplies is used for the RS-

232 drivers. For the RS-232 driver, the current

requirement is 3.5mA per driver. The external

power supplies should provide a power supply

sequence of either: +10V, –10V, and then +5V;

or –10V, +10V, and then +5V. It is critical that

the ±10V supplies are on before V_CC.

Phase 3

-Vdd charge storage- The third phase of the

clock is identical to the first phase- the trans-

ferredchargeinC1produces-5Vinthenegative

terminal of C1, which is applied to the negative

side of capacitor C2. Since C2+ is at +5V, the

voltage potential across C2 is 10V.

Phase 4

-Vdd transfer- The fourth phase of the clock

connects the negative terminal of C2 to ground

andtransfersthegenerated10VacrossC2toC4,

+10V

+

a) C₂

GND

–

b) C₂

–10V

Figure 11. Charge Pump Waveforms

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

8

Shutdown Mode

The SP333 can be put into a low power shut-

down mode by connecting the Shutdown pin

(SD, Pin 26) to a logic HIGH. During Shut-

down, the driver outputs are put into a high

impedance tri-state, and the charge pump is put

intostand-bymode. Thesupplycurrentdropsto

less than 10µA during shutdown and can be

activated in either RS-232 or AppleTalk mode.

For normal operation, the SD pin should be

connected to a logic LOW.

Receiver Enable

TheSP333hasacontrollinetoenableordisable

the receiver outputs. Pin 3 (RXEN) is active

LOW; a logic LOW on Pin 3 will enable the

receiver outputs. A logic HIGH on Pin 3 will

disable the receiver outputs. The receiver en-

ablefunctioncanbeinitiatedineitherRS-232or

AppleTalk mode.

Wake-Up

The SP333 also features a "wake-up" function.

ThewakeupfunctionallowstheRS-232receiv-

ers to remain active during Shutdown mode

unless they are disabled by the Receiver Enable

control pin (Pin 3). The wake-up feature allows

users to take advantage of the low power Shut-

down mode and keep the receivers active to

accept an incoming "ring indicator" signal.

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

9

SP333 Typical Application for AppleTalk™ and RS-232

+5V

25

0.1µF

5

9

10

0.1µF

12

11

13

APPLETALK™ INTERFACE

0.1µF

14

26

SP333

6

7

27

2

4

1

16

15

7

8

6

19

4

3

5

21

17

2

1

23

3

24

8

+5V

0V

25

0.1µF

5

9

10

0.1µF

PC INTERFACE

12

11

13

SP333

14

26

27

28

6

7

4

1

15

19

7

8

5

6

20

21

22

16

17

18

4

3

2

1

23

3

24

8

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

10

SP333 PIN CONFIGURATION

TI3

1

2

3

4

5

6

7

8

9

28 TI2

27 TI1

26 SD

25 RS-232/Mac

24 RI5

23 RX5

22 RX4

21 RX3

20 RX2

19 RX1

18 RI4

TXEN

RXEN

TX3

VCC

TX1

TX2

GND

C1+

V+ 10

C2+ 11

C1- 12

C2- 13

V- 14

SP333

17 RI3

16 RI2

15 RI1

SP333 TYPICAL OPERATING CIRCUIT

PC Mode (RS-232)

Mac Mode (AppleTalk)

+5V

0V

0.1µF

5

V_CC

25

V_CC

25

9

10

RS-232/MacMode

0.1µF

12

11

12

11

V+

0.1µF

SP333

14

26

14

26

V-

C2+

C2-

C2+

C2-

Shutdown

13

27

13

6

7

6

7

TI1

TX1

TX2

T1

T2

T3

TI1

27

2

T1

TXEN

TI2

TX2

TX3

28

4

TI3

TX3

RI2

1

T3

16

15

RX1

RI1

R1

19

RX1

19

R1

RI1

16

17

18

RX2

RX3

RX4

RI2

R2

20

21

22

RI3

R3

17

RI3

RX3

21

R3

RI4

R4

24

8

RX5

RI5

R5

23

3

RX5

24

8

23

3

RI5

R5

RXEN

GND

RXEN

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

11

PACKAGE: PLASTIC

SMALL OUTLINE (SOIC)

E

H

D

A

Ø

A1

L

e

B

DIMENSIONS (Inches)

Minimum/Maximum

(mm)

28–PIN

A

A1

B

D

E

0.093/0.104

(2.352/2.649)

0.004/0.012

(0.102/0.300)

0.013/0.020

(0.330/0.508)

0.697/0.713

(17.70/18.09)

0.291/0.299

(7.402/7.600)

e

0.050 BSC

(1.270 BSC)

H

L

0.394/0.419

(10.00/10.64)

0.016/0.050

(0.406/1.270)

Ø

0°/8°

(0°/8°)

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

12

ORDERING INFORMATION

Model

Temperature Range

Package Types

SP333CT .............................................................................. 0˚C to +70˚C ......................................................................................... 28-Pin SOIC

SP333ET ............................................................................. -40˚C to +85˚C ........................................................................................ 28-Pin SOIC

Available in lead free packaging. To order, add "-L" suffix to the part number.

Example: SP33CT= standard. SP333CT-L = lead free.

Co rp o ra tio n

SIGNAL PROCESSING EXCELLENCE

Sipex Corporation

Headquarters and

Sales Office

22 Linnell Circle

Billerica, MA 01821

TEL: (978) 667-8700

FAX: (978) 670-9001

e-mail: sales@sipex.com

Sales Office

233 South Hillview Drive

Milpitas, CA 95035

TEL: (408) 934-7500

FAX: (408) 935-7600

Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the

application or use of any product or circuit described hereing; neither does it convey any license under its patent rights nor the rights of others.

Rev 07/29/02

SP333 RS-232/AppleTalk Programmable Transceiver

13


型号：	SP333_07
厂家：	SIPEX CORPORATION
描述：	+5V Only RS-232/AppleTalk⑩ Programmable Transceiver + 5V只有RS - 232 /的AppleTalk ™可编程收发器
文件：	总13页 (文件大小：113K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

SP333_07 [SIPEX]

相关型号：

SP334

SP334CT

SP334CT-L

SP334CT-L-TR

SP334CT-L/TR

SP334CT-L/TR

SP334ET

SP334ET-L

SP334ET-L

SP334ET-L/TR

SP334ET/TR

SP334N