参数资料
型号: YTD439-S
元件分类: 数字传输电路
英文描述: DATACOM, DIGITAL SLIC, PQFP100
封装: SQFP-100
文件页数: 10/16页
文件大小: 551K
代理商: YTD439-S
- 3 -
Functional Comparison of YAMAHA ISDN LSIs
Note 1: DMA transfer: Request function only
I/O transfer:
4-byte FIFO
Note 2: Digital power supply only
External
[YTD421]
√√
External
DMA Transfer
or
I/O Transfer
DMA Transfer
or
I/O Transfer
DMA Transfer
or
I/O Transfer
DMA Transfer
or
I/O Transfer
(Note 1)
+5
or
+3.3 (Note 2)
+5
or
+3.3 (Note 2)
+5
or
+3.3 (Note 2)
√√
√√
√√
2
(2)
2
(2)
22
2
+5
32, 56, 64
1997 edition
1993 edition
1997 edition
1993 edition
1998 edition
1993 edition
1998 edition
1993 edition
100-pin SQFP 100-pin SQFP 100-pin SQFP
100-pin SQFP
20-pin SSOP
Function
YTD428
YTD421
ETSI
ETS 300 012, ETS 300 125
North American Switches
National ISDN-1/2, AT&T 5ESS,
Nortel DMS-100
DSU Function
S/T Ref. Point Analog Driver/Receiver
D Channel Layer 3 Data Transfer Method
TTC Standard
JT-I430
JT-Q920
JT-Q921
Layer 1
Layer 2
YTD423
YTD436
YTD439
1997 edition
TTC Standard
JT-G961
B Channel Data Transfer Method
B Channel Internal Clock Mode (kHz)
HDLC Controller for B Channel Data
B Channel External Clock Mode
TD Switch
Clock Output Function for CPU
Signal Output Function for Testing
5-V Tolerant I/O pin
Package
Power Supply (V)
Circuit switching
Dch Packet Switching
(Teleaction communication)
Maximum D
Channel Links
相关PDF资料
PDF描述
YTD439 Shielded Paired Cable; Number of Conductors:4; Conductor Size AWG:22; No. Strands x Strand Size:Solid; Jacket Material:Polyolefin; Number of Pairs:2; Impedance:150ohm; Leaded Process Compatible:Yes; Voltage Nom.:300V RoHS Compliant: Yes
YTM401C-F 0.3 kbps DATA, 9.6 kbps FAX, MODEM-DATA/FAX, PQFP64
YTM403C-K 2.4 kbps DATA, 9.6 kbps FAX, MODEM-DATA/FAX/VOICE, PDIP64
YTM403C-F 2.4 kbps DATA, 9.6 kbps FAX, MODEM-DATA/FAX/VOICE, PQFP64
YTM403C-T 2.4 kbps DATA, 9.6 kbps FAX, MODEM-DATA/FAX/VOICE, PQFP64
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