| Model | 
Manufacturers | 
lot number | 
encapsulation | 
illustrate | 
		
| SN54LS193 | 
TI | 
07+ | 
DIP | 
Synchronized 4-digit addition/subtraction counters | 
		
| SN54LS191 | 
TI | 
09+ | 
DIP | 
Synchronous addition/minus counters with add/minus mode control | 
		
| SN54LS169B | 
TI | 
06+ | 
DIP | 
Synchronized 4-digit plus/minus binary counters | 
		
| BQ77PL900DLR | 
TI | 
10+ | 
SSOP-48 | 
5 to 10 lithium-ion battery protection and AFE | 
		
| SN54LS163A | 
TI | 
06+ | 
DIP | 
Synchronized 4-digit counters | 
		
| SN54LS161A-SP | 
TI | 
08+ | 
DIP | 
Synchronized 4-digit counters | 
		
| SN54LS161A-SP | 
TI | 
09+ | 
DIP | 
Synchronized 4-digit counters | 
		
| SN54LS161A | 
TI | 
09+ | 
DIP SMD | 
Synchronized 4-digit counters | 
		
| SN54HC590A | 
TI | 
08+ | 
DIP | 
8-bit binary counter with three-state output registers | 
		
| SN54HC4060 | 
TI | 
09+ | 
SMD DIP | 
Asynchronous 14-step binary counter and oscillator | 
		
| SN54HC4040 | 
TI | 
09+ | 
DIP SMD | 
Asynchronous 12-bit binary counter | 
		
| SN54HC4024 | 
TI | 
06+ | 
DIP | 
Asynchronous 7-bit binary counter | 
		
| SN54HC4020 | 
TI | 
06+ | 
DIP | 
Asynchronous 14-bit binary counter | 
		
| SN54HC393 | 
TI | 
10+ | 
DIP | 
Dual 4-digit binary counters | 
		
| SN54HC193 | 
TI | 
10+ | 
DIP | 
Synchronous 4-digit plus/minus binary counter with dual clock and zero clearing | 
		
| SN54HC191 | 
TI | 
07+ | 
DIP | 
Synchronized 4-digit plus/minus binary counters | 
		
| SN54HC163 | 
TI | 
09+ | 
SMD DIP | 
Synchronized 4-digit binary counters | 
		
| SN54HC161-SP | 
TI | 
10+ | 
DIP SMD | 
Synchronized 4-digit binary counters | 
		
| SN54HC161 | 
TI | 
07+ | 
DIP | 
Synchronized 4-digit binary counters | 
		
| SN54AS869 | 
TI | 
10+ | 
DIP SMD | 
Synchronized 8-digit addition/subtraction counters |