![]() 7400 quad 2-input NAND gate | ![]() 7402 quad 2-input NOR gate |
![]() 7404 hex inverter (NOT) | ![]() 7407 hex buffer non-inverting |
![]() 7408 quad 2-input AND gate | ![]() 7410 triple 3-input NAND gate |
![]() 7411 triple 3-input AND gate | ![]() 7414 hex Schmitt trigger inverter |
![]() 7432 quad 2-input OR gate | ![]() 7486 quad 2-input XOR gate |
Code | Family | Description |
---|---|---|
Bipolar | ||
Standard TTL | (no letters) | |
L | Low power | Obsolete, very slow |
H | High speed | Obsolete |
S | Schottky diodes | Obsolete |
LS | Low power Schottky | |
AS | Advanced Schottky | |
ALS | Advanced low power Schottky | |
F | Fast | faster than normal Schottky, similar to AS |
CMOS | ||
C | CMOS | CMOS 4-15 V operation similar to 4000B series |
HC | High speed CMOS | Faster, similar performance to LS, 12 nS |
HCT | TTL compatible high speed CMOS | HC parts with compatible logic levels to bipolar parts |
AC | Advanced CMOS | Performance between S and F |
AHC | Advanced high speed CMOS | Three times as fast as HC |
ALVC | Advanced Low voltage | 1.65-3.3 V, Time Propagation Delay 2 nS |
AUC | Low voltage | 0.8-2.7 V, TPD < 1.9 nS@1.8V |
FC | Fast CMOS | Performance similar to F |
LCX | Low voltage with tolerant inputs | 3V, 5V tolerant inputs |
LVC | Low voltage with tolerant inputs | 1.65-3.3 V, 5V tolerant inputs, tpd < 5.5 nS@3.3V, tpd < 9 nS@2.5V |
LVQ | Low voltage | 3.3 V |
LVX | Low voltage with tolerant inputs | 3.3V, 5V tolerant inputs |
VHC | Very high speed CMOS | Faster than HC and AHC, 'S' performance in CMOS technology |
G | GigaHertz rated | Designed to operate beyond 1GHz |
BiCMOS | ||
BCT | BiCMOS | TTL-compatible input thresholds, used for buffers |
ABT | Advanced BiCMOS | TTL-compatible input thresholds, faster than ACT and BCT |