Product Summary

The 74HC688D is a high-speed Si-gate CMOS device. It is pin compatible with low power Schottky TTL (LSTTL). The 74HC688D is specified in compliance with JEDEC standard no. 7A. The 74HC688D is 8-bit magnitude comparators. The perform comparison of two 8-bit binary or BCD words. The output provides P·Q.

Parametrics

74HC688D absolute maximum ratings: (1)tPHL/ tPLH, propagation delay: 17 ns when CL = 15 pF; VCC = 5 V; (2)Pn, Qn to P = Q; E to P = Q 8ns when CL = 15 pF; VCC = 5 V; (3)Pn, Qn to P = Q; (4)CI, input capacitance: 3.5pF; (5)CPD, power dissipation capacitance per package: 30pF.

Features

74HC688D features: (1)Compare two 8-bit words; (2)Output capability: standard; (3)ICC category: MSI.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
74HC688D
74HC688D
NXP Semiconductors
Comparator ICs 8-BIT MAGNITUDE COMP
Data Sheet
Negotiable 
74HC688D,652
74HC688D,652
NXP Semiconductors
Comparator ICs 8-BIT MAGNITUDE COMP
Data Sheet
0-1: $0.35
1-25: $0.30
25-100: $0.26
100-250: $0.23
74HC688DB,118
74HC688DB,118
NXP Semiconductors
Comparator ICs 8-BIT MAGNITUDE
Data Sheet
0-1: $0.51
1-25: $0.46
25-100: $0.40
100-250: $0.35
74HC688DB,112
74HC688DB,112
NXP Semiconductors
Comparator ICs 8-BIT MAGNITUDE
Data Sheet
0-1: $0.58
1-25: $0.46
25-100: $0.40
100-250: $0.35
74HC688D,653
74HC688D,653
NXP Semiconductors
Comparator ICs 8-BIT MAGNITUDE COMPARATOR
Data Sheet
0-1: $0.34
1-25: $0.25
25-100: $0.21
100-250: $0.20
74HC688DB
74HC688DB
NXP Semiconductors
Comparator ICs 8-BIT MAGNITUDE COMPARATOR
Data Sheet
Negotiable 
74HC688DB-T
74HC688DB-T
NXP Semiconductors
Comparator ICs 8-BIT MAGNITUDE COMPARATOR
Data Sheet
Negotiable