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CD54HC688 Folha de dados(PDF) 1 Page - Texas Instruments

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Nome de Peças CD54HC688
Descrição Electrónicos  High-Speed CMOS Logic 8-Bit Magnitude Comparator
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

CD54HC688 Folha de dados(HTML) 1 Page - Texas Instruments

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Data sheet acquired from Harris Semiconductor
SCHS196C
Features
• Cascadable
• 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 ’HC688 and ’HCT688 are 8-bit magnitude comparators
designed for use in computer and logic applications that
require the comparison of two 8-bit binary words. When the
compared words are equal the output (Y) is low and can be
used as the enabling input for the next device in a cascaded
application.
Pinout
CD54HC688, CD54HCT688 (CERDIP)
CD74HC688 (PDIP, SOIC, SOP, TSSOP)
CD74HCT688 (PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE (oC)
PACKAGE
CD54HC688F3A
-55 to 125
20 Ld CERDIP
CD54HCT688F3A
-55 to 125
20 Ld CERDIP
CD74HC688E
-55 to 125
20 Ld PDIP
CD74HC688M
-55 to 125
20 Ld SOIC
CD74HC688M96
-55 to 125
20 Ld SOIC
CD74HC688NSR
-55 to 125
20 Ld SOP
CD74HC688PWR
-55 to 125
20 Ld TSSOP
CD74HC688PWT
-55 to 125
20 Ld TSSOP
CD74HCT688E
-55 to 125
20 Ld PDIP
CD74HCT688M
-55 to 125
20 Ld SOIC
CD74HCT688M96
-55 to 125
20 Ld SOIC
NOTE: When ordering, use the entire part number. The suffixes 96
and R denote tape and reel. The suffix T denotes a small-quantity
reel of 250.
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
E
A0
B0
A1
B1
A2
A3
B2
B3
GND
VCC
B7
A7
B6
Y
A6
B5
A5
B4
A4
September 1997 - Revised August 2003
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© 2003, Texas Instruments Incorporated
CD54HC688, CD74HC688,
CD54HCT688, CD74HCT688
High-Speed CMOS Logic
8-Bit Magnitude Comparator
[ /Title
(CD74
HC688
,
CD74
HCT68
8)
/Sub-
ject
(High
Speed
CMOS


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