DECODER / DEMULTIPLEXER
Technology
Bipolar
CMOS
BiCMOS
Advanced CMOS
No. of
Output Curcuit ETC
Input/output
Device
TTL LS
S
ALS AS
F
HC
HCT BCT ABT LVT ALVT
AC
ACT
AHC AHCT LV LV-AT LVC ALVC AVC AUC
2S
2S
3S
OC
1
1
1
1
AD
AD
4514
4515
154
×/● ×/●
×/● -/ ●
×/● -/ ●
4/16
4/10
●
●
×/-/-
×/-/-
159
2S
2S
2S
1
1
1
BD
BD
BD
42
43
44
×A
×
×
●
●/● -/ ●
2S
2S
2S
2S
2S
1
1
1
1
1
238
138
237
137
131
×/● -/ ●
●/● ●/●
×/● -/ ●
×/● -/ ●
×/-/ ● ×/-/ ●
●/-/ ● ×/-/ ●
●
×
●A ●A
●
●
×
●
●
●
●
●A
●A
●A
3/8
2/4
AD
AD
AD
×
×
*
●A
×
2S
2S
2S
OC
2
2
2
2
139
239
155
156
●A ●A
●
×
●/● ●/●
×/-/-
×/-/ ● ●/-/ ●
●A
×/-/-
×/-/-
×
×
●A
●
●
Explanatory notes [Output] 2S:Totem pole Output 3S: 3-State Output OC: Open-Collector Output
[ETC] AD: Adress Latch BD: BCD TO DECIMAL
Status
●: Product available in technology indicated
*: New product planned in technology indicated
×: Discontinued
■: Not recommended for new designs
HC: SN74HCxx / CD74HCxx
HCT: SN74HCxx / CD74HCTxx
BCT: SN74BCTxx / SN64BCTxx
AC: 74AC11xxx (Product available in reduced-noise advanced CMOS: 11000 Series) / SN74ACxx / CD74ACxx
ACT: 74ACT11xxx (Product available in reduced-noise advanced CMOS: 11000 Series) / SN74ACTxx / CD74ACTxx
CODE CONVERTER / PRIORITY ENCODER / REGISTER
Bipolar
Technology
CMOS
BiCMOS
Advanced CMOS
AHC AHCT LV LV-AT LVC ALVC AVC AUC
Descriotion
Device
TTL LS
S
ALS AS
F
HC
HCT BCT ABT LVT ALVT
AC
ACT
CODE CONVERTER
CODE CONVERTER
10-4 PRIORITY ENCODER
8-3 PRIORITY ENCODER
8-3 PRIORITY ENCODER
184
185
147
148
348
×
×
×
×
×
●
●
-/●
●/-
-/●
×
×
4BIT CASCADABLE PRIORITY REGISTER
278
×
Status
●: Product available in technology indicated
*: New product planned in technology indicated
×: Discontinued
■: Not recommended for new designs
HC: SN74HCxx / CD74HCxx
HCT: SN74HCxx / CD74HCTxx
BCT: SN74BCTxx / SN64BCTxx
AC: 74AC11xxx (Product available in reduced-noise advanced CMOS: 11000 Series) / SN74ACxx / CD74ACxx
ACT: 74ACT11xxx (Product available in reduced-noise advanced CMOS: 11000 Series) / SN74ACTxx / CD74ACTxx
154
TI [ TEXAS INSTRUMENTS ]
