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SN74ALS232B Datasheet(PDF) 3 Page - Texas Instruments

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Part # SN74ALS232B
Description  16 횞 4 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY
PDF  8 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74ALS232B Datasheet(HTML) 3 Page - Texas Instruments

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SN74ALS232B
16
× 4 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY
SCAS251B – FEBRUARY 1989 – REVISED APRIL 1998
3
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
logic diagram (positive logic)
1A, 3D
4
D0
5
D1
6
D2
7
D3
Q0
13
2A
Q1
12
Q2
11
Q3
10
C3
EN
2
14
FULL
EMPTY
RAM 16
× 4
1A
16
2A
16
1
16
1
16
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
+
CT = 1
COMP
P = Q
P= Q+1
P = Q–1
P
Q
16
16
S
R
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
+
CT = 1
15
UNCK
C2
2D
S
R
3
LDCK
C1
1D
9
RST
1
OE
Ring
Counter
CTR
DIV 16
Ring
Counter
CTR
DIV 16
Write
Address
Read
Address
16
Pin numbers shown are for the DW and N packages.



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