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CD74HC27 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. CD74HC27
Description  High Speed CMOS Logic Triple 3-Input NOR Gate
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC27 Datasheet(HTML) 1 Page - Texas Instruments

   
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Data sheet acquired from Harris Semiconductor
SCHS132
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 Harris CD74HC27, CD74HCT27, 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 74HCT logic family is
functionally pin compatible with the standard 74LS logic
family.
Pinout
CD74HC27, CD74HCT27
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE
(oC)
PACKAGE
PKG.
NO.
CD74HC27E
-55 to 125
14 Ld PDIP
E14.3
CD74HCT27E
-55 to 125
14 Ld PDIP
E14.3
CD74HC27M
-55 to 125
14 Ld SOIC
M14.15
CD74HCT27M
-55 to 125
14 Ld SOIC
M14.15
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. Die for this part number is available which meets all electrical
specifications. Please contact your local sales office or Harris
customer service for ordering information.
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
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© Harris Corporation 1997
CD74HC27,
CD74HCT27
High Speed CMOS Logic
Triple 3-Input NOR Gate
File Number
1648.1
[ /Title
(CD74
HC27,
CD74
HCT27
)
/Sub-
ject
(High
Speed
CMOS
Logic


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