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PDF 74ACT259 Data sheet ( Hoja de datos )
| Número de pieza | 74ACT259 | |
| Descripción | 8-Bit Addressable Latch | |
| Fabricantes | ETC | |
| Logotipo |  |
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MC74AC259, MC74ACT259
8−Bit Addressable Latch
The MC74AC259/74ACT259 is a high−speed 8−bit addressable
latch designed for general purpose storage applications in digital
systems. It is a multifunctional device capable of storing single line
data in eight addressable latches, and also a 1−of−8 decoder and
demultiplexer with active HIGH outputs. The device also incorporates
an active LOW Common Clear for resetting all latches, as well as an
active LOW Enable. It is functionally identical to the ALS259 8−bit
addressable latch.
• Serial−to−Parallel Conversion
• Eight Bits of Storage with Output of Each Bit Available
• Random (Addressable) Data Entry
• Active High Demultiplexing or Decoding Capability
• Easily Expandable
• Common Clear
• Pb−Free Packages are Available
VCC MR E
D Q7 Q6 Q5 Q4
16 15 14 13 12 11 10 9
12345678
A0 A1 A2 Q0 Q1 Q2 Q3 GND
Figure 1. Pinout: 16−Lead Packages Conductors
(Top View)
http://onsemi.com
16
1
16
1
16
1
PDIP−16
N SUFFIX
CASE 648
SOIC−16
D SUFFIX
CASE 751B
SOEIAJ−16
M, MEL SUFFIX
CASE 966
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 9 of this data sheet.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
A0 E D
A1
A2 MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
Figure 2. Logic Symbol
MODE SELECT TABLE
E MR
Mode
L H Addressable Latch
H H Memory
L L Active HIGH 8−Channel Demultiplexer
H L Clear
H = HIGH Voltage Level
L = LOW Voltage Level
© Semiconductor Components Industries, LLC, 2005
November, 2005 − Rev. 6
1
Publication Order Number:
MC74AC259/D
1 page  
MC74AC259, MC74ACT259
DC CHARACTERISTICS
Symbol
Parameter
VIH Minimum High Level
Input Voltage
VIL Maximum Low Level
Input Voltage
VOH Minimum High Level
Output Voltage
74AC
74AC
VCC
(V)
TA = +25°C TA =−40°C to +85°C
Typ Guaranteed Limits
3.0 1.5 2.1
4.5 2.25 3.15
5.5 2.75 3.85
2.1
3.15
3.85
3.0 1.5 0.9
4.5 2.25 1.35
5.5 2.75 1.65
0.9
1.35
1.65
3.0 2.99 2.9
4.5 4.49 4.4
5.5 5.49 5.4
2.9
4.4
5.4
Unit
V
V
V
VOL Maximum Low Level
Output Voltage
3.0 − 2.56
4.5 − 3.86
5.5 − 4.86
3.0 0.002 0.1
4.5 0.001 0.1
5.5 0.001 0.1
2.46
3.76
4.76
0.1
0.1
0.1
V
V
3.0 − 0.36
4.5 − 0.36
5.5 − 0.36
0.44
0.44
0.44
V
IIN Maximum Input
Leakage Current
5.5 − ±0.1
±1.0
μA
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5 − −
5.5 − −
5.5 − 8.0
75
−75
80
mA
mA
μA
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Conditions
VOUT = 0.1 V
or VCC − 0.1 V
VOUT = 0.1 V
or VCC − 0.1 V
IOUT = −50 μA
*VIN = VIL or VIH
−12 mA
IOH −24 mA
−24 mA
IOUT = 50 μA
*VIN = VIL or VIH
12 mA
IOL 24 mA
24 mA
VI = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
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5
5 Page 
MC74AC259, MC74ACT259
PACKAGE DIMENSIONS
SOEIAJ−16
M SUFFIX
CASE966−01
ISSUE A
16
1
e
Z
D
b
0.13 (0.005) M
9
E HE
8
LE
M_
Q1
L
DETAIL P
VIEW P
A
c
A1
0.10 (0.004)
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
FLASH OR PROTRUSIONS AND ARE MEASURED
AT THE PARTING LINE. MOLD FLASH OR
PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006)
PER SIDE.
4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A −−− 2.05 −−− 0.081
A1 0.05 0.20 0.002 0.008
b 0.35 0.50 0.014 0.020
c 0.10 0.20 0.007 0.011
D 9.90 10.50 0.390 0.413
E 5.10 5.45 0.201 0.215
e 1.27 BSC
0.050 BSC
HE 7.40 8.20 0.291 0.323
L 0.50 0.85 0.020 0.033
LE 1.10 1.50 0.043 0.059
M 0 _ 10 _ 0 _ 10 _
Q1 0.70 0.90 0.028 0.035
Z −−− 0.78 −−− 0.031
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
P.O. Box 61312, Phoenix, Arizona 85082−1312 USA
Phone: 480−829−7710 or 800−344−3860 Toll Free USA/Canada
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Email: [email protected]
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Japan: ON Semiconductor, Japan Customer Focus Center
2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051
Phone: 81−3−5773−3850
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11
ON Semiconductor Website: http://onsemi.com
Order Literature: http://www.onsemi.com/litorder
For additional information, please contact your
local Sales Representative.
MC74AC259/D
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet 74ACT259.PDF ] | |
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