High Speed CMOS 8-Bit Identity Comparator
FEATURES:
• Equivalent to ALS speeds and output drive over full temperature and voltage supply extremes
• 9ns typical pr...
Description
FEATURES:
Equivalent to ALS speeds and output drive over full temperature and voltage supply extremes
9ns typical propagation delay IOl = 14mA over full military temperature range CMOS power levels (5Jl.W typo static) Both CMOS and TTL output compatible Substantially lower input current levels than ALS (5Jl.A max.) 8-bit identity comparator 100% product assurance screening to MIL-STD-883, Class B
is available JEDEC standard pinout for DIP and LCC
DESCRIPTION:
The IDT54174AHCT521 is an 8-bit identity comparator built using advanced CEMOS", a dual metal CMOS technology. The device compares two words of up to eight bits each and provides a LOW output when the two words match bit for bit. The
expansion inputI A =8 also serves as an active LOW enable input.
PIN CONFIGURATIONS
TA=B Ao Bo A1 B1 A2 B2 A3 B3
GND
Vee
OA=B B7
A7
B6 A6 Bs As B4 A4
SSDAHCT521-001
DIP TOP VIEW
FUNCTIONAL BLOCK DIAGRAM
A3 B2 A2B1 A1
B3 GND
A4 B4 As
LJ lJ lJ LJ LJ
:9 8 7 6 ...
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