Integrated Circuit Diagrams - Bose FreeSpace 4400 Service Manual

Integrated Circuit Diagrams

PINOUT DIAGRAM
IEC LOGIC SYMBOLS
LOGIC DIAGRAM
74ACT573M, Octal D-Type Latch
PINOUT DIAGRAM BLOCK DIAGRAM
IN1 IN2
1 16
IN1
D1 D2
2 15
S1 S2
3 14
IN2
V ADG452 V
4 13
SS DD
GND TOP VIEW V
5 12
L
S4 S3
6 11
IN3
D4 D3
7 10
IN4 IN3
8 9
IN4
SWITCHES SHOWN FOR A LOGIC 1 INPUT
Pin Function Descriptions
Pin No. Mnemonic Description
1 IN1 Logic Control Input.
2 D1 Drain Terminal. Can be an input or an output.
3 S1 Source Terminal. Can be an input or an output.
4 V Most Negative Power Supply Potential in Dual Supplies.
SS
In single-supply applications, it can be connected to GND.
5 GND Ground (0 V) Reference.
6 S4 Source Terminal. Can be an input or an output.
7 D4 Drain Terminal. Can be an input or an output.
8 IN4 Logic Control Input.
9 IN3 Logic Control Input.
10 D3 Drain Terminal. Can be an input or an output.
11 S3 Source Terminal. Can be an input or an output.
12 V Logic Power Supply (5 V).
L
13 V Most Positive Power Supply Potential.
DD
14 S2 Source Terminal. Can be an input or an output.
15 D2 Drain Terminal. Can be an input or an output.
16 IN2 Logic Control Input.
ADG452BRZ, SPST Switch
PIN DESCRIPTION
PIN No SYMBOL NAME AND FUNCTION
1 OE 3 State Output Enable
Input (Active LOW)
2, 3, 4, 5, 6, D0 to D7 Data Inputs
7, 8, 9
12, 13, 14, Q0 to Q7 3-State Latch Outputs
15, 16, 17,
18, 19
11 LE Latch Enable Input
10 GND Ground (0V)
20 V Positive Supply Voltage
CC
TRUTH TABLE
N I P U T S
O
OE L E D
X
H X
N O
L L X
L H L
H
L H
X : Don't care
Z : High Impedance
NOTE: Outputs are latched at the time when the input is taken LOW logic level
S1
Truth Table - ADG452
D1
S2
ADG452 In Switch Condition
D2
1
ADG452
S3
0
D3
S4
D4
BLOCK DIAGRAM
ADG409
S1A
S4A
S1B
S4B
1-OF-4
DECODER
A0 A1
U T P U T
Q
Z
Al
C H A N G E
L
X
H
0
0
1
1
ADG409, Analog Multiplexer
PINOUT DIAGRAM
Pin Description
PIN N°
1, 4, 9, 12
2, 5, 10, 13
3, 6, 8, 11
On
7
Off
14
Truth Table
A
H
H
74VHC132, Quad 2-Input Schmitt
94
PINOUT DIAGRAM
A0 1
DA
EN
2
V 3
SS
S1A ADG409
4
TOP VIEW
S2A
5
(Not to Scale)
DB
S3A
6
S4A 7
DA 8
EN
ADG409 Truth Table
A0 EN
X 0
0 1
1 1
0 1
1 1
IEC LOGIC SYMBOLS
SYMBOL NAME AND FUNCTION
1A to 4A Data Inputs
1B to 4B Data Inputs
1Y to 4Y Data Outputs
GND Ground (0V)
V
Positive Supply Voltage
CC
B Y
L L H
L H H
L H
H
NAND Gate
16 A1
GND
15
14 V
DD
S1B
13
S2B
12
S3B
11
10 S4B
DB
9
ON SWITCH
PAIR
NONE
1
2
3
4
L