Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
The MM54C90 MM74C90 decade counter and the MM54C93 MM74C93 binary counter and complementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement mode transistors The 4-bit decade counter can reset to zero or preset to nine by applying appropriate logic level on the R01 R02 R91 and R92 inputs Also a separate flip-flop on the A-bit enab.
Y Y Y Y
Y
Wide supply voltage range Guaranteed noise margin High noise immunity Low power TTL compatiblity The MM54C93 MM74C93 MM74L93 Pinout
follows
3V to 15V 1V 0 45 VCC (typ ) Fan out of 2 driving 74L the MM54L93
Connection and Logic Diagrams
MM54C90 MM74C90 Dual-In-Line Package MM54C93 MM74C93 Dual-In-Line Package
TL F 5889
– 2
TL F 5889
– 4
Top View Order Number MM54C90 or MM74C93 M54C90 MM74C90
Top View
MM54C93 MM74C93
TL F 5889
– 3
TL F 5889
– 1
C1995 National Semiconductor Corporation
TL F 5889
RRD-B30M105 Printed in U S A
Absolute Maximum Ratings
If Military Aerospace .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | MM54C901 |
National |
Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer |
|
| 2 | MM54C902 |
National |
Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer |
|
| 3 | MM54C903 |
National |
Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer |
|
| 4 | MM54C904 |
National |
Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer |
|
| 5 | MM54C905 |
National Semiconductor |
12-Bit Successive Approximation Register |
|
| 6 | MM54C906 |
National |
Hex Open Drain N / P-Channel Buffers |
|
| 7 | MM54C907 |
National |
Hex Open Drain N / P-Channel Buffers |
|
| 8 | MM54C909 |
National Semiconductor |
Quad Comparator |
|
| 9 | MM54C910 |
National Semiconductor |
Random Access Read/Write Memory |
|
| 10 | MM54C914 |
National |
Hex Schmitt Trigger with Extended Input Voltage |
|
| 11 | MM54C915 |
National Semiconductor |
7-Segment-to-BCD Converter |
|
| 12 | MM54C922 |
National |
16 / 20-Key Encoder |
|