50240
From Citylan
| BRAND | TAG | NUMBER | NOTES | MARKINGS |
|---|---|---|---|---|
| AMI | S | 2555 | 13 | S2555 |
| AMI | S | 2556 | 13 | S2556 |
| AMI | S | 50240 | 13 | S50240 |
| AMI | S | 50241 | 13 | S50241 |
| AMI | S | 50242 | 12 | S50242 |
| AMI | S | 50243 | 13 | S50243 |
| AMI | S | 50244 | 13 | S50244 |
| AMI | S | 50245 | 12 | S50245 |
| General Instruments | AY | 1-0212 | 12 | AY-1-0212 |
| General Instruments | AY | 3-0214 | 12 | AY-3-0214 |
| ITT | SAA | 1030 | 13 | SAA1030 |
| Mostek | MK | 50240 | 13 | MK50240 |
| Mostek | MK | 50241 | 13 | MK50241 |
| Mostek | MK | 50242 | 12 | MK50242 |
| National | MM | 5555 | 13 | MM5555 |
| National | MM | 5556 | 13 | MM5556 |
| National | MM | 5832 | 13 | MM5832 |
| National | MM | 5833 | 13 | MM5833 |
| National | MM | 5891 | 13 | MM5891AA MM5891AB |
| Sanyo | M LM | 8071 | 13 | M8071 LM8071 |
| Sescosem | SFF | 5009 | 12 | SSF5009 |
| Sescosem | SFF | 5010 | 12 | SSF5010 |
| Sescosem | SFF | 5011 | 13 | SSF5011 |
| ST | M | 082B1 | 13 | M082B1 M082AB1 |
| ST | M | 083B1 | 13 | M083B1 M083AB1 |
| ST | M | 086B1 | 12 | M086B1 M086AB1 |
| ST | M | 087B1 | 12 | M087B1 |
| Texas Instruments | TMS | 3616 | 12 | TMS3616 TMS36161 |
Top Octave Generator
Pinout
DIP16-300mil (13 Notes)
+---\/---+
Vss | 1 16| C Low
CLK | 2 15| C High
Vdd | 3 14| B
C# | 4 13| A#
D | 5 12| A
D# | 6 11| G#
E | 7 10| G
F | 8 9| F#
+--------+
Frequency Output Table
+-------------------------------------------------+
| PIN | Note | Div. | Frequency Output |
| | | | Master Clock (KHz) |
| | | | 999,680 | 1999,360 |
| 16 | C Low | 478 | 2091,38 Hz | 4182,76 Hz |
| 4 | C# | 451 | 2216,56 Hz | 4433,17 Hz |
| 5 | D | 426 | 2346,67 Hz | 4693,33 Hz |
| 6 | D# | 402 | 2486,76 Hz | 4973,53 Hz |
| 7 | E | 379 | 2637,68 Hz | 5275,36 Hz |
| 8 | F | 358 | 2792,40 Hz | 5584,80 Hz |
| 9 | F# | 338 | 2957,63 Hz | 5915,27 Hz |
| 10 | G | 319 | 3133,80 Hz | 6267,59 Hz |
| 11 | G# | 301 | 3321,20 Hz | 6642,39 Hz |
| 12 | A | 284 | 3520,00 Hz | 7040,00 Hz |
| 13 | A# | 268 | 3730,15 Hz | 7460,30 Hz |
| 14 | B | 253 | 3951,30 Hz | 7902,61 Hz |
| 15 | C High | 239 | 4182,76 Hz | 8365,52 Hz |
+-------------------------------------------------+
DIP16-300mil (12 Notes)
+---\/---+
Vss | 1 16| D
CLK | 2 15| D#
C# | 3 14| F
E | 4 13| F#
G | 5 12| A
G# | 6 11| A#
B | 7 10| Vdd
C High | 8 9| NC
+--------+
Frequency Output Table
+-------------------------------------------------+
| PIN | Note | Div. | Frequency Output |
| | | | Master Clock (KHz) |
| | | | 999,680 | 1999,360 |
| 3 | C# | 451 | 2216,56 Hz | 4433,17 Hz |
| 16 | D | 426 | 2346,67 Hz | 4693,33 Hz |
| 15 | D# | 402 | 2486,76 Hz | 4973,53 Hz |
| 4 | E | 379 | 2637,68 Hz | 5275,36 Hz |
| 14 | F | 358 | 2792,40 Hz | 5584,80 Hz |
| 13 | F# | 338 | 2957,63 Hz | 5915,27 Hz |
| 5 | G | 319 | 3133,80 Hz | 6267,59 Hz |
| 6 | G# | 301 | 3321,20 Hz | 6642,39 Hz |
| 12 | A | 284 | 3520,00 Hz | 7040,00 Hz |
| 11 | A# | 268 | 3730,15 Hz | 7460,30 Hz |
| 7 | B | 253 | 3951,30 Hz | 7902,61 Hz |
| 8 | C High | 239 | 4182,76 Hz | 8365,52 Hz |
+-------------------------------------------------+
Frequency
DIP64
Set reader to FREQ, put black probe to GND, red probe to 2 to measure CPU clock
Files
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MK50240 MK50241 MK50242 Datasheet
