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CD74HC670 датащи(PDF) 2 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

номер детали CD74HC670
подробное описание детали  High-Speed CMOS Logic 4x4 Register File
PDF  17 Pages
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производитель  TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]
домашняя страница  http://www.taosinc.com
Logo TAOS - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

CD74HC670 датащи(HTML) 2 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

  CD74HC670 Datasheet HTML 1Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS CD74HC670 Datasheet HTML 2Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS CD74HC670 Datasheet HTML 3Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS CD74HC670 Datasheet HTML 4Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS CD74HC670 Datasheet HTML 5Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS CD74HC670 Datasheet HTML 6Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS CD74HC670 Datasheet HTML 7Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS CD74HC670 Datasheet HTML 8Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS CD74HC670 Datasheet HTML 9Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS Next Button
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Functional Diagram
9
6
7
10
Q0
Q1
Q2
Q3
4
11
15
1
3
D0
D2
WE
RE
514
13
RA1
RA0
WA0
WA1
12
2
D1
D3
WRITE MODE SELECT TABLE
OPERATING
MODE
INPUTS
INTERNAL
LATCHES
(NOTE 1)
WE
DN
Write Data
L
L
L
LH
H
Data Latched
H
X
No Change
NOTE:
1. The Write Address (WA0 and WA1) to the “internal latches” must
be stable while WE is LOW for conventional operation.
READ MODE SELECT TABLE
OPERATING
MODE
INPUTS
OUTPUT
QN
RE
INTERNAL
LATCHES
(NOTE 2)
Read
L
L
L
LH
H
Disabled
H
X
(Z)
NOTE:
2. The selection of the “internal latches” by Read Address (RA0 and
RA1) are not constrained by WE or RE operation.
H = High Voltage Level
L = Low Voltage Level
X= Don’t Care
Z = High Impedance “Off” State
CD54HC670, CD74HC670, CD74HCT670
CD54HC670, CD74HC670, CD74HCT670



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