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N74F779D Schematic ( PDF Datasheet ) - Philips

Teilenummer N74F779D
Beschreibung 8-bit bidirectional binary counter 3-State
Hersteller Philips
Logo Philips Logo 




Gesamt 12 Seiten
N74F779D Datasheet, Funktion
INTEGRATED CIRCUITS
74F779
8-bit bidirectional binary counter (3-State)
Product specification
IC15 Data Handbook
1989 Sep 20
Philips
Semiconductors






N74F779D Datasheet, Funktion
Philips Semiconductors
8-bit bidirectional binary counter (3-State)
Product specification
74F779
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONSNO TAG
LIMITS
MIN
TYP
NO TAG
MAX
UNIT
VCC = MIN,
±10%VCC
2.5
TC VIL = MAX IOH = –1mA
VIH = MIN
±5%VCC
2.7 3.4
VOH High-level output voltage
VCC = MIN,
±10%VCC
2.4
I/On
VIL = MAX IOH = –3mA
VIH = MIN
±5%VCC
2.7 3.3
V
V
V
V
VOL Low-level output voltage
VCC = MIN,
VIL = MAX
VIH = MIN
IOL = MAX
±10%VCC
±5%VCC
0.30 0.50
0.35 0.50
V
V
VIK Input clamp voltage
VCC = MIN, II = IIK
II
Input current at maximum
input voltage
I/On
others
VCC = 5.5V, VI = 5.5V
VCC = 5.5V, VI = 7.0V
IIH
High-level input current
except VCC = MAX, VI = 2.7V
IIL
Low-level input current
I/On
VCC = MAX, VI = 0.5V
–0.73
–1.2
1
100
20
–0.6
V
mA
µA
µA
mA
IIH+IOZH
IIL+IOZL
Off-state output current
High-level voltage applied
Off-state output current
Low-level voltage applied
I/On
VCC = MAX, VO = 2.7V
VCC = MAX, VO = 0.5V
70
–600
µA
µA
IOS
Short-circuit output currentNO TAG
VCC = MAX
–60
–150
mA
ICCH
82 116
mA
ICC
Supply current (total)
ICCL
VCC = MAX
91 128
mA
ICCZ
97 136
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at VCC = 5V, Tamb = 25°C.
3. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, IOS tests should be performed last.
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITIONS
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Maximum clock frequency
Propagation delay
CP to I/On
Propagation delay
CP to TC
Propagation delay
CET to TC
Output Enable time to
High or Low level
Output Enable time from
High or Low level
Waveform 1
Waveform 1
Waveform 1
Waveform 2
Waveform 4
Waveform 5
Waveform 4
Waveform 5
LIMITS
Tamb = +25°C
VCC = +5V
CL = 50pF, RL = 500
MIN TYP MAX
Tamb = 0°C to +70°C
VCC = +5V ± 10%
CL = 50pF, RL = 500
MIN MAX
125 145
115
4.5 7.0 10.5
5.5 8.0 10.5
4.5
5.5
11.0
11.0
4.5 7.0 9.0
4.5 7.0 9.0
4.5
4.5
10.0
10.0
3.0 4.5 6.5
3.0 5.5 7.5
2.5
2.5
7.5
8.0
2.5 4.5 7.0
4.5 6.5 9.0
2.5
4.5
8.0
9.5
1.0 3.0 6.5
1.0 4.0 7.0
1.0
1.0
8.0
8.0
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1989 Sep 20
6

6 Page









N74F779D pdf, datenblatt
Philips Semiconductors
8-bit bidirectional binary counter (3-State)
Product specification
74F779
Data sheet status
Data sheet
status
Product
status
Definition [1]
Objective
specification
Development
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
Preliminary
specification
Qualification
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make chages at any time without notice in order to
improve design and supply the best possible product.
Product
specification
Production
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended
periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or
modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Sunnyvale, California 94088–3409
Telephone 800-234-7381
© Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
print code
Document order number:
Date of release: 10-98
9397-750-05179
Philips
Semiconductors
yyyy mmm dd
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