MC74HC390A_05 ONSEMI [ON Semiconductor], MC74HC390A_05 Datasheet

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MC74HC390A_05

Manufacturer Part Number
MC74HC390A_05
Description
Dual 4−Stage Binary Ripple Counter with /2and /5 Sections High−Performance Silicon−Gate CMOS
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
1.MC74HC390A_05.pdf (10 pages)
MC74HC390A
Dual 4−Stage Binary Ripple
Counter with ÷ 2 and ÷ 5
Sections
High−Performance Silicon−Gate CMOS
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
composed of a divide−by−two and a divide−by−five section. The
divide−by−two and divide−by−five counters have separate clock
inputs, and can be cascaded to implement various combinations of ÷ 2
and/or ÷ 5 up to a ÷ 100 counter.
transitions of the clock input. A separate, asynchronous reset is
provided for each 4−bit counter. State changes of the Q outputs do not
occur simultaneously because of internal ripple delays. Therefore,
decoded output signals are subject to decoding spikes and should not
be used as clocks or strobes except when gated with the Clock of the
HC390A.
Features
•
•
•
•
•
•
•
•
*For additional information on our Pb−Free strategy and soldering details, please
© Semiconductor Components Industries, LLC, 2005
June, 2005 − Rev. 3
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
The MC74HC390A is identical in pinout to the LS390. The device
This device consists of two independent 4−bit counters, each
Flip−flops internal to the counters are triggered by high−to−low
No 7A
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1 mA
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
Chip Complexity: 244 FETs or 61 Equivalent Gates
Pb−Free Packages are Available*
1
16
16
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
16
16
1
1
1
1
ORDERING INFORMATION
A
L, WL
Y, YY
W, WW
G
G
(Note: Microdot may be in either location)
http://onsemi.com
CASE 751B
CASE 948F
SOEIAJ−16
TSSOP−16
DT SUFFIX
CASE 648
CASE 966
N SUFFIX
D SUFFIX
F SUFFIX
PDIP−16
SOIC−16
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
= Pb−Free Package
Publication Order Number:
16
16
1
1
16
1
MC74HC390AN
MC74HC390A/D
DIAGRAMS
AWLYYWWG
16
1
MARKING
HC390AG
AWLYWW
74HC390A
ALYWG
ALYWG
390A
HC
G

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MC74HC390A_05 Summary of contents

Page 1

MC74HC390A Dual 4−Stage Binary Ripple Counter with ÷ 2 and ÷ 5 Sections High−Performance Silicon−Gate CMOS The MC74HC390A is identical in pinout to the LS390. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible ...

Page 2

CLOCK CLOCK A RESET RESET b Aa CLOCK CLOCK ...

Page 3

MAXIMUM RATINGS Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 4

DC ELECTRICAL CHARACTERISTICS Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 5

TIMING REQUIREMENTS (Input t r Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 6

CLOCK CLOCK RESET CLOCK A RESET MC74HC390A TEST CIRCUIT TEST POINT OUTPUT DEVICE UNDER C * TEST L *Includes ...

Page 7

Each half of the MC54/74HC390A has independent ÷ 2 and ÷ 5 sections (except for the Reset function). The ÷ 2 and ÷ 5 counters can be connected to give BCD or bi−quinary (2−5) count sequences. If Output Q A ...

Page 8

0.25 (0.010) M −A− −B− −T− SEATING PLANE 0.25 (0.010 MC74HC390A PACKAGE DIMENSIONS ...

Page 9

K 16X REF 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT. 1 0.15 (0.006 −V− C 0.10 (0.004) SEATING −T− D PLANE MC74HC390A PACKAGE DIMENSIONS TSSOP−16 DT SUFFIX CASE 948F−01 ...

Page 10

0.10 (0.004) 0.13 (0.005 Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice ...

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