參數(shù)資料
型號: D6455B-11
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 2/4頁
文件大?。?/td> 384K
代理商: D6455B-11
D6455A/B
A
Device Configuration and System Components
STANDARD COMPONENTS
n
D6455A/B-11 Digital Telephone Answering Device (TAD) processor
(80-pin PQFP)
1 each
ADDITIONAL SYSTEM COMPONENTS
These are supplied by the customer according to DSP Groups specifications.
n
D0000-29 Analog I/O Interface (16-pin DIP)
1 each, 2 for SpeakerPhone
One of the following:
n
D0000-37C 1-Mbit ARAM Message Memory (SOJ)
Up to four devices
per system (D6455B only)
n
D0000-36C 16-Mbit ARAM Message Memory (SOJ)
Up to two devices
per system (D6455B only), or
n
D0000-35C 4-Mbit ARAM Message Memory (SOJ)
Up to four devices per
system
OPTIONAL SYSTEM COMPONENTS
EPROM/ROM - For Voice Prompt storage an external EPROM/ROM (access
time, 300 ms or less) is required -each 32K x 8 block supports 65 seconds of
Voice Prompt (up to 64K).
MDB1
MDB0
NC
EPRRD
NC
DRMW
R
CAS3
CAS2
VCC
GND
CAS1
CAS0
RAS
DR0
DR1
DX0
ADDR11
ADDR12
ADDR13
NC
INIT
CS
NC
NC
ADDR6
ADDR7
ADDR8
ADDR9
ADDR10
VCC
GND
NC
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
MDB15
MDB14
NC
NC
GND
VCC
MDB13
MDB12
MDB11
MDB10
MDB8
MDB7
MDB6
MDB5
MDB4
MDB3
MDB2
MDB9
ADDR5
ADDR14
ACK
HI/LO
HSTRD
HSTWR
HSTDB7
HSTDB6
HSTDB5
HSTDB4
HSTDB3
HSTDB2
HSTDB1
HSTDB0
GND
NC
ADDR15
XIN
VCC
SCLK
RESET
PDN
FSYNC
DX1
XOUT
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
64
47
46
45
44
42
41
48
43
A
Top View
D6455A-11
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
23
24
17
1
35
34
33
30
29
28
26
25
40
39
38
37
36
32
31
27
Figure 2. D6455A/B Pin Diagram
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