DM74ALS521WM
vs
SN74ALS688DWRE4
feature comparison
| Rohs Code |
No
|
Yes
|
| Part Life Cycle Code |
Transferred
|
Obsolete
|
| Ihs Manufacturer |
NATIONAL SEMICONDUCTOR CORP
|
TEXAS INSTRUMENTS INC
|
| Part Package Code |
SOIC
|
SOIC
|
| Package Description |
SOP, SOP20,.4
|
SOP, SOP20,.4
|
| Pin Count |
20
|
20
|
| Reach Compliance Code |
unknown
|
unknown
|
| HTS Code |
8542.39.00.01
|
8542.39.00.01
|
| Additional Feature |
CASCADABLE
|
CASCADABLE
|
| Family |
ALS
|
ALS
|
| JESD-30 Code |
R-PDSO-G20
|
R-PDSO-G20
|
| JESD-609 Code |
e0
|
e4
|
| Length |
12.8 mm
|
12.8 mm
|
| Load Capacitance (CL) |
50 pF
|
50 pF
|
| Logic IC Type |
IDENTITY COMPARATOR
|
IDENTITY COMPARATOR
|
| Number of Bits |
8
|
8
|
| Number of Functions |
1
|
1
|
| Number of Terminals |
20
|
20
|
| Operating Temperature-Max |
70 °C
|
70 °C
|
| Operating Temperature-Min |
|
|
| Output Polarity |
INVERTED
|
INVERTED
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
SOP
|
SOP
|
| Package Equivalence Code |
SOP20,.4
|
SOP20,.4
|
| Package Shape |
RECTANGULAR
|
RECTANGULAR
|
| Package Style |
SMALL OUTLINE
|
SMALL OUTLINE
|
| Power Supply Current-Max (ICC) |
19 mA
|
19 mA
|
| Propagation Delay (tpd) |
20 ns
|
20 ns
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| Seated Height-Max |
2.65 mm
|
2.65 mm
|
| Supply Voltage-Max (Vsup) |
5.5 V
|
5.5 V
|
| Supply Voltage-Min (Vsup) |
4.5 V
|
4.5 V
|
| Supply Voltage-Nom (Vsup) |
5 V
|
5 V
|
| Surface Mount |
YES
|
YES
|
| Technology |
TTL
|
TTL
|
| Temperature Grade |
COMMERCIAL
|
COMMERCIAL
|
| Terminal Finish |
Tin/Lead (Sn/Pb)
|
NICKEL PALLADIUM GOLD
|
| Terminal Form |
GULL WING
|
GULL WING
|
| Terminal Pitch |
1.27 mm
|
1.27 mm
|
| Terminal Position |
DUAL
|
DUAL
|
| Width |
7.5 mm
|
7.5 mm
|
| Base Number Matches |
4
|
1
|
| Pbfree Code |
|
Yes
|
| Moisture Sensitivity Level |
|
1
|
| Peak Reflow Temperature (Cel) |
|
260
|
| Time@Peak Reflow Temperature-Max (s) |
|
30
|
|
|
|
Compare DM74ALS521WM with alternatives
Compare SN74ALS688DWRE4 with alternatives