Part Number |
SN74ALS191ANSRG4 |
SN74ALS191ANSR |
SN74ALS191ANSRE4 |
Description |
Counter ICs 4B Synch Up Down Binary Counters |
Counter ICs 4-Bit Synch Up/Down Binary Counter |
Counter ICs 4-Bit Synch Up/Down Binary Counter |
Is it Rohs certified? |
conform to |
conform to |
conform to |
Maker |
Texas Instruments |
Texas Instruments |
Texas Instruments |
Parts packaging code |
SOIC |
SOIC |
SOIC |
package instruction |
SOP, SOP16,.3 |
SOP, SOP16,.3 |
SOP, SOP16,.3 |
Contacts |
16 |
16 |
16 |
Reach Compliance Code |
unknown |
unknown |
unknown |
Other features |
TCO OUTPUT |
TCO OUTPUT |
TCO OUTPUT |
Counting direction |
BIDIRECTIONAL |
BIDIRECTIONAL |
BIDIRECTIONAL |
series |
ALS |
ALS |
ALS |
JESD-30 code |
R-PDSO-G16 |
R-PDSO-G16 |
R-PDSO-G16 |
length |
10.2 mm |
10.2 mm |
10.2 mm |
Load/preset input |
YES |
YES |
YES |
Logic integrated circuit type |
BINARY COUNTER |
BINARY COUNTER |
BINARY COUNTER |
Maximum Frequency@Nom-Sup |
30000000 Hz |
30000000 Hz |
30000000 Hz |
MaximumI(ol) |
0.008 A |
0.008 A |
0.008 A |
Operating mode |
SYNCHRONOUS |
SYNCHRONOUS |
SYNCHRONOUS |
Number of digits |
4 |
4 |
4 |
Number of functions |
1 |
1 |
1 |
Number of terminals |
16 |
16 |
16 |
Maximum operating temperature |
70 °C |
70 °C |
70 °C |
Package body material |
PLASTIC/EPOXY |
PLASTIC/EPOXY |
PLASTIC/EPOXY |
encapsulated code |
SOP |
SOP |
SOP |
Encapsulate equivalent code |
SOP16,.3 |
SOP16,.3 |
SOP16,.3 |
Package shape |
RECTANGULAR |
RECTANGULAR |
RECTANGULAR |
Package form |
SMALL OUTLINE |
SMALL OUTLINE |
SMALL OUTLINE |
method of packing |
TAPE AND REEL |
TAPE AND REEL |
TAPE AND REEL |
Peak Reflow Temperature (Celsius) |
NOT SPECIFIED |
NOT SPECIFIED |
NOT SPECIFIED |
power supply |
5 V |
5 V |
5 V |
Maximum supply current (ICC) |
22 mA |
22 mA |
22 mA |
propagation delay (tpd) |
18 ns |
18 ns |
18 ns |
Certification status |
Not Qualified |
Not Qualified |
Not Qualified |
Maximum seat height |
2 mm |
2 mm |
2 mm |
Maximum supply voltage (Vsup) |
5.5 V |
5.5 V |
5.5 V |
Minimum supply voltage (Vsup) |
4.5 V |
4.5 V |
4.5 V |
Nominal supply voltage (Vsup) |
5 V |
5 V |
5 V |
surface mount |
YES |
YES |
YES |
technology |
TTL |
TTL |
TTL |
Temperature level |
COMMERCIAL |
COMMERCIAL |
COMMERCIAL |
Terminal form |
GULL WING |
GULL WING |
GULL WING |
Terminal pitch |
1.27 mm |
1.27 mm |
1.27 mm |
Terminal location |
DUAL |
DUAL |
DUAL |
Maximum time at peak reflow temperature |
NOT SPECIFIED |
NOT SPECIFIED |
NOT SPECIFIED |
Trigger type |
POSITIVE EDGE |
POSITIVE EDGE |
POSITIVE EDGE |
width |
5.3 mm |
5.3 mm |
5.3 mm |
minfmax |
30 MHz |
30 MHz |
30 MHz |