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PDF ( 数据手册 , 数据表 ) MC74HC390

零件编号 MC74HC390
描述 Dual 4-Stage Binary Ripple Counter
制造商 ON Semiconductor
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MC74HC390 数据手册, 描述, 功能
MC74HC390
Dual 4−Stage Binary
Ripple Counter with
÷ 2 and ÷ 5 Sections
HighPerformance SiliconGate CMOS
The MC54/74HC390 is identical in pinout to the LS390. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
This device consists of two independent 4bit counters, each
composed of a dividebytwo and a dividebyfive section. The
dividebytwo and dividebyfive counters have separate clock
inputs, and can be cascaded to implement various combinations of ÷ 2
and/or ÷ 5 up to a ÷ 100 counter.
Flipflops internal to the counters are triggered by hightolow
transitions of the clock input. A separate, asynchronous reset is
provided for each 4bit 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
HC390.
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 μA
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No 7A
Chip Complexity: 244 FETs or 61 Equivalent Gates
LOGIC DIAGRAM
1, 15
CLOCK A
÷2
COUNTER
3, 13 QA
CLOCK B 4, 12
÷5
COUNTER
5, 11
QB
6, 10
7, 9
QC
QD
RESET 2, 14
PIN 16 = VCC
PIN 8 = GND
© Semiconductor Components Industries, LLC, 2006
June, 2006 Rev. 7
1
http://onsemi.com
16
1
J SUFFIX
CERAMIC PACKAGE
CASE 62010
16
1
N SUFFIX
PLASTIC PACKAGE
CASE 64808
16
1
D SUFFIX
SOIC PACKAGE
CASE 751B05
ORDERING INFORMATION
MC54HCXXXJ
MC74HCXXXN
MC74HCXXXD
Ceramic
Plastic
SOIC
PIN ASSIGNMENT
CLOCK Aa
RESET a
QAa
CLOCK Ba
QBa
QCa
QDa
GND
1
2
3
4
5
6
7
8
16 VCC
15 CLOCK Ab
14 RESET b
13 QAb
12 CLOCK Bb
11 QBb
10 QCb
9 QDb
FUNCTION TABLE
Clock
AB
Reset Action
XX
X
X
H Reset
÷ 2 and ÷ 5
L Increment
÷2
L Increment
÷5
Publication Order Number:
MC74HC390/D







MC74HC390 pdf, 数据表
A
16
1
MC74HC390
OUTLINE DIMENSIONS
J SUFFIX
CERAMIC PACKAGE
CASE 62010
9 ISSUE V
B
8
CL
T
SEATING
PLANE
F
NK
E
G
D 16 PL
0.25 (0.010) M T A S
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: 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.
INCHES
MILLIMETERS
DIM MIN MAX MIN MAX
A 0.750 0.785 19.05 19.93
B 0.240 0.295 6.10 7.49
C Ċ 0.200 Ċ 5.08
D 0.015 0.020 0.39 0.50
E 0.050 BSC 1.27 BSC
F 0.055 0.065 1.40 1.65
G 0.100 BSC 2.54 BSC
J 0.008 0.015 0.21 0.38
K 0.125 0.170 3.18 4.31
L 0.300 BSC 7.62 BSC
M 0° 15° 0° 15°
N 0.020 0.040 0.51 1.01
A
16
1
H
G
9
B
8
N SUFFIX
PLASTIC PACKAGE
CASE 64808
ISSUE R
FC
S
T
SEATING
PLANE
K
D 16 PL
0.25 (0.010) M T A M
J
L
M
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.
INCHES
MILLIMETERS
DIM MIN MAX MIN MAX
A 0.740 0.770 18.80 19.55
B 0.250 0.270 6.35 6.85
C 0.145 0.175 3.69 4.44
D 0.015 0.021 0.39 0.53
F 0.040 0.070 1.02 1.77
G
0.100 BSC
2.54 BSC
H
0.050 BSC
1.27 BSC
J 0.008 0.015 0.21 0.38
K 0.110 0.130 2.80 3.30
L 0.295 0.305 7.50 7.74
M 0° 10° 0° 10°
S 0.020 0.040 0.51 1.01
A
16
1
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751B05
ISSUE J
9
B
8
P 8 PL
0.25 (0.010) M
BM
T
SEATING
PLANE
G
K
C
D 16 PL
0.25 (0.010) M T B S A S
M
R X 45°
F
J
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 9.80 10.00 0.386 0.393
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019
F 0.40 1.25 0.016 0.049
G
1.27 BSC
0.050 BSC
J 0.19 0.25 0.008 0.009
K 0.10 0.25 0.004 0.009
M 0° 7° 0° 7°
P 5.80 6.20 0.229 0.244
R 0.25 0.50 0.010 0.019
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