MC74HC390ADT ONSEMI [ON Semiconductor], MC74HC390ADT Datasheet
MC74HC390ADT
Manufacturer Part Number
MC74HC390ADT
Description
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
1.MC74HC390ADT.pdf
(8 pages)
MC74HC390A
Dual 4-Stage Binary Ripple
Counter with
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.
March, 2000 – Rev. 2
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 to 6 V
Low Input Current: 1 A
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
Chip Complexity: 244 FETs or 61 Equivalent Gates
Semiconductor Components Industries, LLC, 2000
CLOCK A
CLOCK B
RESET
A
X
X
Clock
1, 15
4, 12
2, 14
LOGIC DIAGRAM
FUNCTION TABLE
B
X
X
Reset
COUNTER
COUNTER
H
L
L
2 and
2
5
Increment
Increment
2 and
Action
Reset
2
5
3, 13
5, 11
6, 10
7, 9
5
Q A
Q B
Q C
Q D
5
PIN 16 = V CC
PIN 8 = GND
1
16
MC74HC390AN
MC74HC390AD
MC74HC390ADR2
MC74HC390ADT
MC74HC390ADTR2
16
16
1
1
Device
CLOCK A a
CLOCK B a
ORDERING INFORMATION
1
RESET a
A
WL = Wafer Lot
YY = Year
WW = Work Week
GND
Q Ca
Q Da
Q Aa
Q Ba
PIN ASSIGNMENT
http://onsemi.com
CASE 751B
= Assembly Location
CASE 648
N SUFFIX
D SUFFIX
PDIP–16
SO–16
CASE 948F
DT SUFFIX
TSSOP–16
1
2
3
4
5
6
7
8
TSSOP–16
TSSOP–16
Publication Order Number:
SOIC–16
SOIC–16
Package
PDIP–16
16
15
14
13
12
10
11
9
16
16
1
1
MC74HC390AN
MC74HC390A/D
V CC
CLOCK A b
RESET b
Q Ab
CLOCK B b
Q Bb
Q Cb
Q Db
DIAGRAMS
MARKING
AWLYYWW
AWLYWW
HC390A
16
1
2500 / Reel
2500 / Reel
2000 / Box
Shipping
48 / Rail
96 / Rail
ALYW
390A
HC
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MC74HC390ADT Summary of contents
Page 1
... PIN PIN 8 = GND Action Reset MC74HC390AN 2 and 5 MC74HC390AD Increment MC74HC390ADR2 2 MC74HC390ADT Increment 5 MC74HC390ADTR2 1 http://onsemi.com MARKING DIAGRAMS 16 PDIP–16 MC74HC390AN N SUFFIX AWLYYWW CASE 648 1 16 SO–16 HC390A D SUFFIX AWLYWW CASE 751B TSSOP– ...
Page 2
MAXIMUM RATINGS* Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...
Page 3
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 4
TIMING REQUIREMENTS (Input ns) 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
CLOCK CLOCK RESET CLOCK A RESET MC74HC390A TEST CIRCUIT TEST POINT OUTPUT DEVICE UNDER TEST *Includes ...
Page 6
Each half of the MC54/74HC390A has independent 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 connected to the Clock ...
Page 7
–T – 0.25 (0.010 –A – –B – –T – SEATING PLANE D 16 ...
Page 8
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) –T– SEATING D PLANE ON Semiconductor and are trademarks of Semiconductor Components ...