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YTD436

Features: 1. Layer 1 function• Conforms to ITU-T Recommendation I.430 (1992 edition) and TTC Standard JT-I430 (1997 edition) (default)- 192 kbps transmission rate- Interface structure : 2B + D (B = 64 kbps, D = 16 kbps)- Frame assembling and disassembling function- Collision control (built-i...

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SeekIC No. : 004550061 Detail

YTD436: Features: 1. Layer 1 function• Conforms to ITU-T Recommendation I.430 (1992 edition) and TTC Standard JT-I430 (1997 edition) (default)- 192 kbps transmission rate- Interface structure : 2B + D...

YTD436 Data Sheet

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Part Number:
YTD436
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/22

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Product Details

Description



Features:

1. Layer 1 function
• Conforms to ITU-T Recommendation I.430 (1992 edition) and TTC Standard JT-I430 (1997 edition) (default)
- 192 kbps transmission rate
- Interface structure : 2B + D (B = 64 kbps, D = 16 kbps)
- Frame assembling and disassembling function
- Collision control (built-in random number (Ri) reset), priority control (built-in retransmission control), and state transition control
- Programmable T3 and T4 timers
• Supports ETSI ETS 300 012 (April 1992) and ANSI T1.605 operating modes
• Leased line capability (JT-I430-a)
• Built-in driver and receiver
- I.430 TTL interface (when the driver / receiver is disconnected)
- No external relay or common-mode choke needed
- Supports 1-to-2 pulse transformer
• Abundant Test functions (for testing and maintenance)
- Demo mode in which no switch simulator is needed.
- Three kinds of loop-back modes (Loop-back 1 to 3)
- INFO signals output for testing
- Test pulse output for pulse shape check
• Multiframing capability
• INFO1 transmission and INFO4 reception monitor pins
• Power down monitor pin
• I.430 transmission frame phase adjustment function
2. Layer 2 function
• Conforms to ITU-T Recommendation Q.920 (1992 edition) and Q.921 (1997 edition) and TTC Standard JT-Q920 (1993 edition) and JT-Q921 (1998 edition)
- HDLC frame control (Flag control, FCS generation/checking, Automatic zero insertion/deletion, Abort pattern transmission/detection, etc.)
- LAPD status control (Sequence control, Flow control, SAPI control)
- Built-in timer for time-out check
• Supports ETSI ETS 300 125 (September 1991), National ISDN-1/2, AT&T 5ESS 5E9 and Nortel DMS-100 S208-6 operating modes
• Multilink capability (circuit switching × 2 links, packet switching/teleaction communications × 2 links)
• Automatic assigned TEI/non-automatic assigned TEI (VC/PVC)
• Leased line mode (disable layer 2 function)
3. Layer 3 interface function
• Connects to 8-bit or 16-bit microprocessor (8086 family, 80186 family, 6800 family, 68000 family)
• Operates in one of two data transfer modes :
- DMA transfer mode (with the built-in 16-bit address DMA controller)
- I/O transfer mode (with the built-in FIFO)
• Primitive logical interface
4. B channel interface
• Data rate setting : 64 k, 56 k and 32 kbps
• Serial mode
- B channel I/O clock selection function
• Internal clock mode Inputs/outputs the B channel data with 64 k, 56 k or 32 kHz internal clock
• External clock mode (PCM Highway mode) Inputs/outputs the B channel data with a 128 k to 2048 kHz external clock
- B channel selection function
• Internal clock mode Selects/switches B channel I/O pins
• External clock mode (PCM Highway mode) Selects/switches B channel time slots
• Parallel mode
- LSB/MSB switching function
- Bit shift function
- Data transfer mode
• DMA transfer mode with the DMA request function
• I/O transfer mode with the built-in FIFO
5. Low-power operation (Host processor clock control function, Powerdown mode)
6. High-performance CMOS technology
7. 100-pin SQFP
8. DigitalSupply Voltage (+5V or +3.3V ), Analog +5V supply


Application

• ISDN telephone
• Video telephone
• Telemeter
• PBX
• Terminal adapter (TA)
• Other ISDN terminals


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Min.
Max.
Unit
Supply Voltage
VDD
-0.3
+7.0
V
Input Voltage
DVI
-0.3
DVDD + 0.3
V
AVI
-0.3
AVDD + 0.3
V
Storage Temperature
Tstg
-50
+125
(Based on DVSS = AVSS = 0.0 V)


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