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CD54HC27 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. CD54HC27
Description  High-Speed CMOS Logic Triple 3-Input NOR Gate
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

CD54HC27 Datasheet(HTML) 1 Page - Texas Instruments

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Data sheet acquired from Harris Semiconductor
SCHS132C
Features
• Buffered Inputs
• Typical Propagation Delay: 7ns at VCC = 5V,
CL = 15pF, TA = 25
oC
• 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 ’HC27 and ’HCT27 logic gates utilize silicon gate CMOS
technology to achieve operating speeds similar to LSTTL
gates with the low power consumption of standard CMOS
integrated circuits. All devices have the ability to drive 10
LSTTL loads. The HCT logic family is functionally pin
compatible with the standard LS logic family.
Pinout
CD54HC27, CD54HCT27
(CERDIP)
CD74HC27, CD74HCT27
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE
(oC)
PACKAGE
CD54HC27F3A
-55 to 125
14 Ld CERDIP
CD54HCT27F3A
-55 to 125
14 Ld CERDIP
CD74HC27E
-55 to 125
14 Ld PDIP
CD74HC27M
-55 to 125
14 Ld SOIC
CD74HC27MT
-55 to 125
14 Ld SOIC
CD74HC27M96
-55 to 125
14 Ld SOIC
CD74HCT27E
-55 to 125
14 Ld PDIP
CD74HCT27M
-55 to 125
14 Ld SOIC
CD74HCT27MT
-55 to 125
14 Ld SOIC
CD74HCT27M96
-55 to 125
14 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.
1A
1B
2A
2B
2C
2Y
GND
VCC
1C
1Y
3C
3B
3A
3Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
August 1997 - Revised September 2003
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© 2003, Texas Instruments Incorporated
CD54HC27, CD74HC27,
CD54HCT27, CD74HCT27
High-Speed CMOS Logic
Triple 3-Input NOR Gate
[ /Title
(CD74
HC27,
CD74
HCT27
)
/Sub-
ject
(High
Speed
CMOS
Logic


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