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>SN74F521DW SN74F521DW TEXAS INSTRUMENTS - Bipolar Identity Comparator 8-Bit Inverting 20-Pin SOIC Tube 0.5184
>SN74HC682N SN74HC682N NATIONAL SEMICONDUCTOR - Magnitude Comparator 8-Bit 20-Pin PDIP Tube 5.948
>SN74LS85D SN74LS85D NATIONAL SEMICONDUCTOR - Magnitude Comparator 4-Bit 16-Pin SOIC Tube 1.4536
>CD54HCT688F CD54HCT688F NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit Inverting 20-Pin CDIP Tube 21.4496
>CD74HC688M CD74HC688M NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit Inverting 20-Pin SOIC Tube 2.4473
>SN74HC684N SN74HC684N NATIONAL SEMICONDUCTOR - Magnitude Comparator 8-Bit 20-Pin PDIP Tube 8.725
>SN74HC688N SN74HC688N NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit 20-Pin PDIP Tube 1.584
>SN74LS85N SN74LS85N NATIONAL SEMICONDUCTOR - Magnitude Comparator 4-Bit Non-Inverting 16-Pin PDIP Tube 1.2904
>PI74FCT3245L PI74FCT3245L PERICOM SEMICONDUCTOR - Bus XCVR Single 8-CH 3-ST 20-Pin TSSOP Tube market price
>74F521SCX 74F521SCX FAIRCHILD SEMICONDUCTOR - Bipolar Identity Comparator 8-Bit 20-Pin SOIC W T/R market price
>N74F521D,602 N74F521D,602 NXP SEMICONDUCTORS - Bipolar Identity Comparator 8-Bit 20-Pin SO Tube market price
>74HCT85N,652 74HCT85N,652 NXP SEMICONDUCTORS - CMOS Magnitude Comparator 4-Bit 16-Pin PDIP Bulk market price
>HEF4585BT,653 HEF4585BT,653 NXP SEMICONDUCTORS - CMOS Magnitude Comparator 4-Bit 16-Pin SO T/R market price
>74HC688PW,112 74HC688PW,112 NXP SEMICONDUCTORS - CMOS Identity Comparator 8-Bit Inverting 20-Pin TSSOP Bulk market price
>74HC688DB,118 74HC688DB,118 NXP SEMICONDUCTORS - CMOS Identity Comparator 8-Bit Inverting 20-Pin SSOP T/R 0.695
>SN74LS688DW SN74LS688DW NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit 20-Pin SOIC Tube 3.749
>SN74LS682N SN74LS682N NATIONAL SEMICONDUCTOR - Magnitude Comparator 8-Bit 20-Pin PDIP Tube 3.458
>SN74F521DWR SN74F521DWR NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit 20-Pin SOIC T/R 0.6107
>SN54HC688J SN54HC688J NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit Inverting 20-Pin CDIP Tube 21.2036
>SN54LS688J SN54LS688J NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit Totem-Pole Inverting 20-Pin CDIP Tube 80.4675
>SN74ALS521DW SN74ALS521DW NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit 20-Pin SOIC Tube 1.5746
>SN74ALS520N SN74ALS520N NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit 20-Pin PDIP Tube 3.509
>SN74ALS520DW SN74ALS520DW NATIONAL SEMICONDUCTOR - Identity Comparator 8-Bit Totem-Pole Inverting 20-Pin SOIC Tube 2.1267
>74F521SC 74F521SC FAIRCHILD SEMICONDUCTOR - Identity Comparator 8-Bit 20-Pin SOIC Rail market price
>MC74F521DWR2 MC74F521DWR2 ON SEMICONDUCTOR - Identity Comparator 8-Bit 20-Pin SOIC T/R market price
Someone has searched this part IC Chips and others have searched some relevant parts as the following:
TEXAS INSTRUMENTS
Bipolar
NO
Identity Comparator 8-Bit Inverting 20-Pin SOIC Tube
NATIONAL SEMICONDUCTOR
-
NO
Magnitude Comparator 8-Bit 20-Pin PDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Magnitude Comparator 4-Bit 16-Pin SOIC Tube
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit Inverting 20-Pin CDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit Inverting 20-Pin SOIC Tube
NATIONAL SEMICONDUCTOR
-
NO
Magnitude Comparator 8-Bit 20-Pin PDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit 20-Pin PDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Magnitude Comparator 4-Bit Non-Inverting 16-Pin PDIP Tube
PERICOM SEMICONDUCTOR
-
NO
Bus XCVR Single 8-CH 3-ST 20-Pin TSSOP Tube
FAIRCHILD SEMICONDUCTOR
Bipolar
NO
Identity Comparator 8-Bit 20-Pin SOIC W T/R
NXP SEMICONDUCTORS
Bipolar
NO
Identity Comparator 8-Bit 20-Pin SO Tube
NXP SEMICONDUCTORS
CMOS
NO
Magnitude Comparator 4-Bit 16-Pin PDIP Bulk
NXP SEMICONDUCTORS
CMOS
NO
Magnitude Comparator 4-Bit 16-Pin SO T/R
NXP SEMICONDUCTORS
CMOS
NO
Identity Comparator 8-Bit Inverting 20-Pin TSSOP Bulk
NXP SEMICONDUCTORS
CMOS
NO
Identity Comparator 8-Bit Inverting 20-Pin SSOP T/R
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit 20-Pin SOIC Tube
NATIONAL SEMICONDUCTOR
-
NO
Magnitude Comparator 8-Bit 20-Pin PDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit 20-Pin SOIC T/R
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit Inverting 20-Pin CDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit Totem-Pole Inverting 20-Pin CDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit 20-Pin SOIC Tube
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit 20-Pin PDIP Tube
NATIONAL SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit Totem-Pole Inverting 20-Pin SOIC Tube
FAIRCHILD SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit 20-Pin SOIC Rail
ON SEMICONDUCTOR
-
NO
Identity Comparator 8-Bit 20-Pin SOIC T/R

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