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Компоненты Описание
CDP1852/3 Просмотр технического описания (PDF) - Intersil
Номер в каталоге
Компоненты Описание
производитель
CDP1852/3
High-Reliability Byte-Wide Input/Output Port
Intersil
CDP1852/3 Datasheet PDF : 7 Pages
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2
3
4
5
6
7
CDP1852/3, CDP1852C/3
Block Diagram of CDP1852/3
1
CSI/CSI
†
CS2
13
MODE 2
CLOCK
11
CLEAR
14
DEVICE
SELECT
DECODE
CONTROL 23
LOGIC
SR/SR
†
24 V
DD
12
V
SS
DI0
3
DI1
5
DI2
7
DI3
9
DI4
16
DI5
18
DI6
20
DI7 22
RESET CLOCK
8-BIT
DATA
REGISTER
ENABLE
THREE-
STATE
OUTPUT
DRIVERS
†
POLARITY DEPENDS ON MODE
MODE = 0 MODE = 1
P1
CSI
CSI
P23
SR
SR
4
DO0
6
DO1
8
DO2
10
DO3
15
DO4
17
DO5
19
DO6
21
DO7
CS2
13
CSI/CSI
1
MODE
2
CLEAR
14
FIGURE 1.
S
DQ
V
SS
SERVICE
R
REQUEST
CL LATCH
CLOCK
11
DI0
P
3
TG
N
P
TG
N
SR/SR
23
V
DD
P
N
V
SS
DO0
4
DI1
DO1
5
6
D17
DO7
22
21
FIGURE 2. CDP1852/3 LOGIC DIAGRAM
2
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