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PDF SN54LS399 Data sheet ( Hoja de datos )
| Número de pieza | SN54LS399 | |
| Descripción | QUAD 2-PORT REGISTER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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QUAD 2-PORT REGISTER
The SN54 / 74LS398 and SN54 / 74LS399 are Quad 2-Port Registers. They
are the logical equivalent of a quad 2-input multiplexer followed by a quad 4-bit
edge-triggered register. A Common Select input selects between two 4-bit in-
put ports (data sources). The selected data is transferred to the output register
on the LOW-to-HIGH transition of the Clock input. The SN54/ 74LS398 fea-
tures both Q and Q inputs, while the SN54/ 74LS399 has only Q outputs.
• Select From Two Data Sources
• Fully Positive Edge-Triggered Operation
• Both True and Complemented Outputs on SN54/ 74LS398
• Input Clamp Diodes Limit High-Speed Termination Effects
CONNECTION DIAGRAM DIP (TOP VIEW)
VCC Qd Qd Iod I1d I1c I0c Qc Qc CP
20 19 18 17 16 15 14 13 12 11
SN54 / 74LS398
1 2 3 4 5 6 7 8 9 10
S Qa Qa I0a I1a I1b I0b Qb Qb GND
VCC = PIN 20
GND = PIN 10
VCC Qd I0d I1d I1c I0c Qc CP
16 15 14 13 12 11 10 9
SN54 / 74LS399
1 2 3 4 56
78
S Qa I0a I1a I1b I0b Qb GND
VCC = PIN 16
GND = PIN 8
PIN NAMES
LOADING (Note a)
HIGH
LOW
S
CP
I0a – I0d
I1a – I0d
Qa – Qd
Qa – Qd
Common Select Input
Clock (Active HIGH Going Edge) Input
Data Inputs From Source 0
Data Inputs From Source 1
Register True Outputs (Note b)
Register Complementary Outputs
(Note b)
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
10 U.L.
10 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
5 (2.5) U.L.
5 (2.5) U.L.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial
(74) Temperature Ranges.
SN54/74LS398
SN54/74LS399
QUAD 2-PORT REGISTER
LOW POWER SCHOTTKY
16
1
16
1
16
1
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
D SUFFIX
SOIC
CASE 751B-03
20
1
20
1
J SUFFIX
CERAMIC
CASE 732-03
N SUFFIX
PLASTIC
CASE 738-03
20
1
DW SUFFIX
SOIC
CASE 751D-03
ORDERING INFORMATION
SN54LSXXXJ Ceramic
SN74LSXXXN Plastic
SN74LSXXXDW SOIC
SN74LSXXXD SOIC
FAST AND LS TTL DATA
5-557
1 page  
Case 751B-03 D Suffix
16-Pin Plastic
SO-16
-A-
16 9
-B-
P 0.25 (0.010) M
BM
1
8 PL
8
G
-T-
D16 PL
0.25 (0.010) M T B S
AS
C
SEATING
PLANE
K
R X 45°
MF
J
Case 648-08 N Suffix
16-Pin Plastic
-A-
16 9
B
18
F
C
S
-T-
SEATING
PLANE
L
H
G
D 16 PL
K
0.25 (0.010) M T A M
J
M
Case 620-09 J Suffix
-A- 16-Pin Ceramic Dual In-Line
16 9
-B-
18
CL
-T-
SEATING
PLANE
F
E
G
D 16 PL
N
0.25 (0.010) M T A S
K
M
J 16 PL
0.25 (0.010) M T B S
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. 751BĆ01 IS OBSOLETE, NEW STANDARD
751BĆ03.
DIM
A
B
C
D
F
G
J
K
M
P
R
MILLIMETERS
MIN MAX
9.80
10.00
3.80
4.00
1.35
1.75
0.35
0.49
0.40
1.25
1.27 BSC
0.19
0.25
0.10
0°Ă
0.25
7°Ă
5.80
6.20
0.25
0.50
INCHES
MIN MAX
0.386
0.393
0.150
0.157
0.054
0.068
0.014
0.019
0.016
0.049
0.050 BSC
0.008
0.009
0.004
0°Ă
0.009
7°Ă
0.229
0.244
0.010
0.019
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L" TO CENTER OF LEADS WHEN
FORMED PARALLEL.
4. DIMENSION B" DOES NOT INCLUDE MOLD
FLASH.
5. ROUNDED CORNERS OPTIONAL.
6. 648Ć01 THRU Ć07 OBSOLETE, NEW STANDARD
648Ć08.
DIM
A
B
C
D
F
G
H
J
K
L
M
S
MILLIMETERS
MIN MAX
18.80
19.55
6.35
6.85
3.69
4.44
0.39
0.53
1.02
1.77
2.54 BSC
1.27 BSC
0.21
0.38
2.80
3.30
7.50
0°
7.74
10°
0.51
1.01
INCHES
MIN MAX
0.740
0.770
0.250
0.270
0.145
0.175
0.015
0.021
0.040
0.070
0.100 BSC
0.050 BSC
0.008
0.015
0.110
0.130
0.295
0°
0.305
10°
0.020
0.040
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIM F MAY NARROW TO 0.76 (0.030) WHERE
THE LEAD ENTERS THE CERAMIC BODY.
5. 620Ć01 THRU Ć08 OBSOLETE, NEW STANDARD
620Ć09.
DIM
A
B
C
D
E
F
G
J
K
L
M
N
MILLIMETERS
MIN MAX
19.05 19.55
6.10
7.36
Ċ 4.19
0.39
0.53
1.27 BSC
1.40
1.77
2.54 BSC
0.23
0.27
Ċ 5.08
7.62 BSC
0° 15°
0.39
0.88
INCHES
MIN MAX
0.750
0.770
0.240
0.290
Ċ 0.165
0.015
0.021
0.050 BSC
0.055
0.070
0.100 BSC
0.009
0.011
Ċ 0.200
0.300 BSC
0° 15°
0.015
0.035
FAST AND LS TTL DATA
5-561
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet SN54LS399.PDF ] | |
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