74F521PCQR
vs
54F521DMQB
feature comparison
| Pbfree Code |
No
|
|
| Rohs Code |
No
|
No
|
| Part Life Cycle Code |
Obsolete
|
Obsolete
|
| Ihs Manufacturer |
FAIRCHILD SEMICONDUCTOR CORP
|
NATIONAL SEMICONDUCTOR CORP
|
| Part Package Code |
DIP
|
|
| Package Description |
DIP, DIP20,.3
|
DIP-20
|
| Pin Count |
20
|
|
| Reach Compliance Code |
unknown
|
unknown
|
| HTS Code |
8542.39.00.01
|
|
| Additional Feature |
CASCADABLE
|
CASCADABLE
|
| Family |
F/FAST
|
F/FAST
|
| JESD-30 Code |
R-PDIP-T20
|
R-GDIP-T20
|
| JESD-609 Code |
e0
|
e0
|
| Length |
24.895 mm
|
24.51 mm
|
| 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
|
125 °C
|
| Operating Temperature-Min |
|
-55 °C
|
| Output Polarity |
INVERTED
|
INVERTED
|
| Package Body Material |
PLASTIC/EPOXY
|
CERAMIC, GLASS-SEALED
|
| Package Code |
DIP
|
DIP
|
| Package Equivalence Code |
DIP20,.3
|
DIP20,.3
|
| Package Shape |
RECTANGULAR
|
RECTANGULAR
|
| Package Style |
IN-LINE
|
IN-LINE
|
| Propagation Delay (tpd) |
11 ns
|
15 ns
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| Seated Height-Max |
5.08 mm
|
5.08 mm
|
| Supply Voltage-Max (Vsup) |
5.25 V
|
5.5 V
|
| Supply Voltage-Min (Vsup) |
4.75 V
|
4.5 V
|
| Supply Voltage-Nom (Vsup) |
5 V
|
5 V
|
| Surface Mount |
NO
|
NO
|
| Technology |
TTL
|
TTL
|
| Temperature Grade |
COMMERCIAL
|
MILITARY
|
| Terminal Finish |
TIN LEAD
|
TIN LEAD
|
| Terminal Form |
THROUGH-HOLE
|
THROUGH-HOLE
|
| Terminal Pitch |
2.54 mm
|
2.54 mm
|
| Terminal Position |
DUAL
|
DUAL
|
| Width |
7.62 mm
|
7.62 mm
|
| Base Number Matches |
1
|
1
|
| Moisture Sensitivity Level |
|
1
|
| Screening Level |
|
MIL-STD-883 Class B
|
|
|
|
Compare 74F521PCQR with alternatives
Compare 54F521DMQB with alternatives