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CD74HCT4020 Datenblatt(PDF) 1 Page - Texas Instruments

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Teilenummer CD74HCT4020
Bauteilbeschribung  High-Speed CMOS Logic 14-Stage Binary Counter
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Hersteller  TI [Texas Instruments]
Direct Link  http://www.ti.com
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CD74HCT4020 Datenblatt(HTML) 1 Page - Texas Instruments

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Data sheet acquired from Harris Semiconductor
SCHS201C
Features
• Fully Static Operation
• Buffered Inputs
• Common Reset
• Negative Edge Clocking
• Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH
Description
The ’HC4020 and ’HCT4020 are 14-stage ripple-carry
binary counters. All counter stages are master-slave flip-
flops. The state of the stage advances one count on the
negative clock transition of each input pulse; a high voltage
level on the MR line resets all counters to their zero state. All
inputs and outputs are buffered.
Pinout
CD54HC4020, CD54HCT4020
(CERDIP)
CD74HC4020, CD74HCT4020
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE
(oC)
PACKAGE
CD54HC4020F3A
-55 to 125
16 Ld CERDIP
CD54HCT4020F3A
-55 to 125
16 Ld CERDIP
CD74HC4020E
-55 to 125
16 Ld PDIP
CD74HC4020M
-55 to 125
16 Ld SOIC
CD74HC4020MT
-55 to 125
16 Ld SOIC
CD74HC4020M96
-55 to 125
16 Ld SOIC
CD74HCT4020E
-55 to 125
16 Ld PDIP
CD74HCT4020M
-55 to 125
16 Ld SOIC
CD74HCT4020MT
-55 to 125
16 Ld SOIC
CD74HCT4020M96
-55 to 125
16 Ld SOIC
NOTE: When ordering, use the entire part number. The suffix 96
denotes tape and reel. The suffix T denotes a small-quantity reel
of 250.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
Q12
Q13
Q14
Q6
Q5
Q7
GND
Q4
VCC
Q10
Q8
Q9
MR
CP
Q1
Q11
February 1998 - Revised October 2003
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© 2003, Texas Instruments Incorporated
CD54HC4020, CD74HC4020,
CD54HCT4020, CD74HCT4020
High-Speed CMOS Logic
14-Stage Binary Counter
[ /Title
(CD74
HC402
0,
CD74
HCT40
20)
/Sub-
ject
(High
Speed
CMOS


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