MT8804A 데이터 시트보기 (PDF) - Mitel Networks
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MT8804A Datasheet PDF : 6 Pages
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MT8804A CMOS
L2 1
L1 2
L0 3
D0 4
J0 5
D1 6
J1 7
D2 8
J2 9
D3 10
J3 11
VSS 12
24 VDD
23 L3
22 L4
21 L5
20 L6
19 L7
18 MR
17 AE
16 A2
15 A1
14 A0
13 VEE
24 PIN CERDIP/PLASTIC DIP
NC 5
•
25 L5
D0 6
24 L6
J0 7
23 L7
D1 8
22 MR
J1 9
21 AE
D2 10
20 A2
J2 11
19 NC
28 PIN PLCC
Figure 2 - Pin Connections
Pin Description
Pin #* Name
Description
1-3
L2-L0 L2-L0 Analog Lines (Inputs/Outputs): these are connected to the L2-L0 columns of the
switch array.
4
D0 D0 Data (Input): Active High.
5
J0 J0 Analog Junctor (Input/Output): this is connected to the J0 row of the switch array.
6
DI DI Data (Input). Active High.
7
J1 J1 Analog Junctor (Input/Output): this is connected to the J1 row of the switch array.
8
D2 D2 Data (Input): Active High.
9
J2 J2 Analog Junctor (Input/Output): this is connected to the J2 row of the switch array.
10
D3 D3 Data (Input): Active High.
11
J3 J3 Analog Junctor (Input/Output): this is connected to the J3 row of the switch array.
12
13
14-16
17
VSS
VEE
A0-A2
AE
Digital Ground Reference.
Negative Power Supply.
A0-A2 Address Lines (Inputs).
Address Enable/Strobe (Input): enables function selected by address and data. Address
must be stable before AE goes high and D0-D3 must be stable on the falling edge of the
AE. Active High.
18
MR Master RESET (Input): this is used to turn off all switches. Active High.
19-23
L7-L3 L7-L3 Analog Lines (Inputs/Outputs): these are connected to the L7-L3 columns of the
switch array.
24
VDD Positive Power Supply.
* Plastic DIP and CERDIP only
3-4
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