SN74LS191DR2
vs
SN74LS193NSR
feature comparison
All Stats
Differences Only
Rohs Code
No
Yes
Part Life Cycle Code
Obsolete
Active
Ihs Manufacturer
MOTOROLA INC
TEXAS INSTRUMENTS INC
Package Description
SOP, SOP16,.25
GREEN, PLASTIC, SOP-16
Reach Compliance Code
unknown
compliant
HTS Code
8542.39.00.01
8542.39.00.01
Additional Feature
TCO OUTPUT
TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK
Count Direction
BIDIRECTIONAL
BIDIRECTIONAL
Family
LS
LS
JESD-30 Code
R-PDSO-G16
R-PDSO-G16
JESD-609 Code
e0
e4
Length
9.9 mm
10.2 mm
Load Capacitance (CL)
15 pF
15 pF
Load/Preset Input
YES
YES
Logic IC Type
BINARY COUNTER
BINARY COUNTER
Max Frequency@Nom-Sup
20000000 Hz
25000000 Hz
Max I(ol)
0.008 A
0.008 A
Mode of Operation
SYNCHRONOUS
SYNCHRONOUS
Number of Bits
4
4
Number of Functions
1
1
Number of Terminals
16
16
Operating Temperature-Max
70 °C
70 °C
Operating Temperature-Min
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
SOP
SOP
Package Equivalence Code
SOP16,.25
SOP16,.3
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE
SMALL OUTLINE
Packing Method
TR
TR
Power Supply Current-Max (ICC)
35 mA
34 mA
Propagation Delay (tpd)
36 ns
47 ns
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
1.75 mm
2 mm
Supply Voltage-Max (Vsup)
5.25 V
5.25 V
Supply Voltage-Min (Vsup)
4.75 V
4.75 V
Supply Voltage-Nom (Vsup)
5 V
5 V
Surface Mount
YES
YES
Technology
TTL
TTL
Temperature Grade
COMMERCIAL
COMMERCIAL
Terminal Finish
TIN LEAD
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form
GULL WING
GULL WING
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
DUAL
Trigger Type
POSITIVE EDGE
POSITIVE EDGE
Width
3.9 mm
5.3 mm
fmax-Min
20 MHz
25 MHz
Base Number Matches
1
3
Pbfree Code
Yes
Part Package Code
SOIC
Pin Count
16
ECCN Code
EAR99
Samacsys Manufacturer
Texas Instruments
Moisture Sensitivity Level
1
Peak Reflow Temperature (Cel)
260
Prop. Delay@Nom-Sup
47 ns
Time@Peak Reflow Temperature-Max (s)
30
Compare SN74LS191DR2 with alternatives
Compare SN74LS193NSR with alternatives