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8-Bit Identity/Magnitude Comparators (P=Q) with Enable

Inventory: 34,402
Custom reel may be available

Download data sheet for SN74HC688
  |   View additional information for SN74HC688

Same as: SN74HC688PWRE4, SN74HC688PWRG4  This part number is identical to the part number listed above. You can only order quantities of the part number listed above.

Packaging information

Package | Pins TSSOP (PW) | 20
Operating temperature range (°C) I (-40 to 85)
Package qty | Carrier: 2,000 | LARGE T&R
Custom reel may be available
View more packaging information

Quality information

RoHS Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-1-260C-UNLIM
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View


  • Wide Operating Voltage Range of 2 V to 6 V
  • High-Current Outputs Drive Up To 10 LSTTL Loads
  • Low Power Consumption, 80-µA Max ICC
  • Typical tpd = 14 ns
  • ±4-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max
  • Compare Two 8-Bit Words


These identity comparators perform comparisons of two 8-bit binary or BCD words. An output-enable (OE)\ input may be used to force the output to the high level.

Qty Price
1-99 $0.67
100-249 $0.51
250-999 $0.38
1,000+ $0.27

Alternative carriers

Part number SN74HC688PWT
Package qty | Carrier 250 | SMALL T&R
Inventory 3,362
Qty | Price (USD) 1ku | $0.43