DS21348TB datasheet, PDF - EEWORLD Datasheet

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DS21348TB: DescriptionDATACOM, PCM TRANSCEIVER, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44; CategoryWireless rf/communication Telecom circuit; File Size2MB，81 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/

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DATACOM, PCM TRANSCEIVER, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44

DS21348TB Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Rochester Electronics
Parts packaging code	QFP
package instruction	10 X 10 MM, 1 MM HEIGHT, TQFP-44
Contacts	44
Reach Compliance Code	unknown
JESD-30 code	S-PQFP-G44
JESD-609 code	e0
length	10 mm
Humidity sensitivity level	4
Number of functions	1
Number of terminals	44
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	TQFP
Package shape	SQUARE
Package form	FLATPACK, THIN PROFILE
Peak Reflow Temperature (Celsius)	245
Certification status	COMMERCIAL
Maximum seat height	1.2 mm
Nominal supply voltage	3.3 V
surface mount	YES
Telecom integrated circuit types	PCM TRANSCEIVER
Temperature level	COMMERCIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	10 mm

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DS21348/DS21Q348

TABLE OF CONTENTS

INTRODUCTION.................................................................................................................. 6

1.1

2.1

3.1

3.2

3.3

DOCUMENT REVISION HISTORY...............................................................................................6

ESCRIPTIONS

........................................................................................................................14

EGISTER

.............................................................................................................................25

ARALLEL

ORT

PERATION

.........................................................................................................26

ERIAL

ORT

PERATION

..............................................................................................................26

EVICE

OWER

-U

P AND

ESET

.....................................................................................................32

PIN DESCRIPTION............................................................................................................ 10

HARDWARE MODE .......................................................................................................... 25

CONTROL REGISTERS .................................................................................................... 29

4.1

STATUS REGISTERS ....................................................................................................... 36

DIAGNOSTICS .................................................................................................................. 41

6.1

6.2

-B

AND

OOP

ODE

ENERATION AND

ETECTION

......................................................................41

OOPBACKS

..................................................................................................................................46

Remote Loopback (RLB) ..................................................................................................................... 46

Local Loopback (LLB) .......................................................................................................................... 46

Analog Loopback (ALB) ....................................................................................................................... 46

Dual Loopback (DLB)........................................................................................................................... 46

6.2.1

6.2.2

6.2.3

6.2.4

6.3

6.4

6.5

PRBS G

ENERATION AND

ETECTION

............................................................................................47

RROR

OUNTER

..........................................................................................................................47

Error Counter Update........................................................................................................................... 48

6.4.1

RROR

NSERTION

........................................................................................................................48

ECEIVER

.....................................................................................................................................49

RANSMITTER

...............................................................................................................................50

ITTER

TTENUATOR

.....................................................................................................................50

G.703 S

YNCHRONIZATION

IGNAL

.................................................................................................51

ANALOG INTERFACE ...................................................................................................... 49

7.1

7.2

7.3

7.4

10.

11.

12.

DS21Q348 QUAD LIU ....................................................................................................... 58

DC CHARACTERISTICS ................................................................................................... 62

THERMAL CHARACTERISTICS....................................................................................... 63

AC CHARACTERISTICS ................................................................................................... 64

PACKAGE INFORMATION ............................................................................................... 73

12.1 44-P

TQFP (56-G4012-001) .....................................................................................................73

12.2 49-B

ALL

CSGBA (7

MM X

) (56-G6006-001) ...........................................................................74

12.3 144-B

ALL

CSBGA (17

MM X

) (56-G6011-001) .....................................................................75

3 of 76

DS21348/DS21Q348

LIST OF FIGURES

Figure 1-1. DS21348 Block Diagram ..........................................................................................................7

Figure 1-2. Receive Logic...........................................................................................................................8

Figure 1-3. Transmit Logic..........................................................................................................................9

Figure 2-1. Parallel Port Mode Pinout (BIS1 = 0, BIS0 = 1 or 0) (TQFP Package) ..................................22

Figure 2-2. Serial Port Mode Pinout (BIS1 = 1, BIS0 = 0) (TQFP Package) ............................................23

Figure 2-3. Hardware Mode Pinout (BIS1 = 1, BIS0 = 1) (TQFP Package) .............................................24

Figure 3-1. Serial Port Operation for Read Access (R = 1) Mode 1 .........................................................27

Figure 3-2. Serial Port Operation for Read Access Mode 2 .....................................................................27

Figure 3-3. Serial Port Operation for Read Access Mode 3 .....................................................................27

Figure 3-4. Serial Port Operation for Read Access Mode 4 .....................................................................28

Figure 3-5. Serial Port Operation for Write Access (R = 0) Modes 1 and 2..............................................28

Figure 3-6. Serial Port Operation for Write Access (R = 0) Modes 3 and 4..............................................28

Figure 7-1. Basic Interface .......................................................................................................................52

Figure 7-2. Protected Interface Using Internal Receive Termination........................................................53

Figure 7-3. Protected Interface Using External Receive Termination.......................................................54

Figure 7-4. E1 Transmit Pulse Template ..................................................................................................55

Figure 7-5. T1 Transmit Pulse Template ..................................................................................................56

Figure 7-6. Jitter Tolerance ......................................................................................................................57

Figure 7-7. Jitter Attenuation ....................................................................................................................57

Figure 8-1. 144-CSBGA (17mm x 17mm) Pinout .....................................................................................61

Figure 11-1. Intel Bus Read Timing (PBTS = 0, BIS1 = 0, BIS0 = 0) .......................................................65

Figure 11-2. Intel Bus Write Timing (PBTS = 0, BIS1 = 0, BIS0 = 0) .......................................................65

Figure 11-3. Motorola Bus Timing (PBTS = 1, BIS1 = 0, BIS0 = 0)..........................................................66

Figure 11-4. Intel Bus Read Timing (PBTS = 0, BIS1 = 0, BIS0 = 1) .......................................................68

Figure 11-5. Intel Bus Write Timing (PBTS = 0, BIS1 = 0, BIS0 = 1) .......................................................68

Figure 11-6. Motorola Bus Read Timing (PBTS = 1, BIS1 = 0, BIS0 = 1) ................................................69

Figure 11-7. Motorola Bus Write Timing (PBTS = 1, BIS1 = 0, BIS0 = 1) ................................................69

Figure 11-8. Serial Bus Timing (BIS1 = 1, BIS0 = 0) ................................................................................70

Figure 11-9. Receive Side Timing ............................................................................................................71

Figure 11-10. Transmit Side Timing .........................................................................................................72

4 of 76

DS21348TB Related Products

	DS21348TB	DS21348GB	DS21Q348
Description	DATACOM, PCM TRANSCEIVER, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44	DATACOM, PCM TRANSCEIVER, PBGA49, 7 X 7 MM, CSBGA-49	DATACOM, PCM TRANSCEIVER, PBGA144, 17 X 17 MM, CSBGA-144
Is it lead-free?	Contains lead	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible	incompatible
Maker	Rochester Electronics	Rochester Electronics	Rochester Electronics
Parts packaging code	QFP	BGA	BGA
package instruction	10 X 10 MM, 1 MM HEIGHT, TQFP-44	7 X 7 MM, CSBGA-49	BGA,
Contacts	44	49	144
Reach Compliance Code	unknown	unknown	unknown
JESD-30 code	S-PQFP-G44	S-PBGA-B49	S-PBGA-B144
JESD-609 code	e0	e0	e0
length	10 mm	7 mm	17 mm
Humidity sensitivity level	4	NOT APPLICABLE	NOT SPECIFIED
Number of functions	1	1	1
Number of terminals	44	49	144
Maximum operating temperature	70 °C	70 °C	70 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TQFP	LFBGA	BGA
Package shape	SQUARE	SQUARE	SQUARE
Package form	FLATPACK, THIN PROFILE	GRID ARRAY, LOW PROFILE, FINE PITCH	GRID ARRAY
Peak Reflow Temperature (Celsius)	245	245	240
Certification status	COMMERCIAL	COMMERCIAL	COMMERCIAL
Nominal supply voltage	3.3 V	3.3 V	3.3 V
surface mount	YES	YES	YES
Telecom integrated circuit types	PCM TRANSCEIVER	PCM TRANSCEIVER	PCM TRANSCEIVER
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal surface	TIN LEAD	TIN LEAD	TIN LEAD
Terminal form	GULL WING	BALL	BALL
Terminal pitch	0.8 mm	0.8 mm	1.27 mm
Terminal location	QUAD	BOTTOM	BOTTOM
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	10 mm	7 mm	17 mm
Maximum seat height	1.2 mm	1.5 mm	-

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