Home » Personal collection » Acorn hard disk » files » Electronic » ChipInfo/74900
ChipInfo/74900
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » Personal collection » Acorn hard disk » files » Electronic |
| Filename: | ChipInfo/74900 |
| Read OK: | ✔ |
| File size: | 0766 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
<html>
<head>
<title>IC Master List</title></head>
<body>
7400 series TTL IC's: 74900...74999
<p>
What would we do without them?
<p>
<hr>
<a><name="74956"></a>
<h3>74956</h3>
8-bit 3-state noninverting latched transceiver.
<pre>
+---+--+---+
LEAB |1 +--+ 24| VCC
SAB |2 23| LEBA
DIR |3 22| SBA
A1 |4 21| /OE
A2 |5 20| B1
A3 |6 74 19| B2
A4 |7 956 18| B3
A5 |8 17| B4
A6 |9 16| B5
A7 |10 15| B6
A8 |11 14| B7
GND |12 13| B8
+----------+
</pre>
<p>
<a><name="74990"></a>
<h3>74990</h3>
8-bit transparent latch with readback.
<pre>
+---+--+---+
/OERB |1 +--+ 20| VCC
D1 |2 19| Q1
D2 |3 18| Q2
D3 |4 17| Q3
D4 |5 74 16| Q4
D5 |6 990 15| Q5
D6 |7 14| Q6
D7 |8 13| Q7
D8 |9 12| Q8
GND |10 11| LE
+----------+
</pre>
<p>
<a><name="74992"></a>
<h3>74992</h3>
9-bit 3-state transparent latch with readback and reset.
<pre>
+---+--+---+
/OERB |1 +--+ 24| VCC
D1 |2 23| Q1
D2 |3 22| Q2
D3 |4 21| Q3
D4 |5 20| Q4
D5 |6 74 19| Q5
D6 |7 992 18| Q6
D7 |8 17| Q7
D8 |9 16| Q8
D9 |10 15| Q9
/RST |11 14| /OE
GND |12 13| LE
+----------+
</pre>
<p>
<a><name="74994"></a>
<h3>74994</h3>
10-bit transparent latch with readback.
<pre>
+---+--+---+
/OERB |1 +--+ 24| VCC
D1 |2 23| Q1
D2 |3 22| Q2
D3 |4 21| Q3
D4 |5 20| Q4
D5 |6 74 19| Q5
D6 |7 994 18| Q6
D7 |8 17| Q7
D8 |9 16| Q8
D9 |10 15| Q9
D10 |11 14| Q10
GND |12 13| LE
+----------+
</pre>
<p>
<hr><a href="http://science.smsu.edu/~wicks/elec/ic-index.html">
Back to the index.</a>
</body>
</html>
00000000 3c 68 74 6d 6c 3e 0d 0a 3c 68 65 61 64 3e 0d 0a |<html>..<head>..| 00000010 3c 74 69 74 6c 65 3e 49 43 20 4d 61 73 74 65 72 |<title>IC Master| 00000020 20 4c 69 73 74 3c 2f 74 69 74 6c 65 3e 3c 2f 68 | List</title></h| 00000030 65 61 64 3e 0d 0a 3c 62 6f 64 79 3e 0d 0a 37 34 |ead>..<body>..74| 00000040 30 30 20 73 65 72 69 65 73 20 54 54 4c 20 49 43 |00 series TTL IC| 00000050 27 73 3a 20 20 37 34 39 30 30 2e 2e 2e 37 34 39 |'s: 74900...749| 00000060 39 39 0d 0a 3c 70 3e 0d 0a 57 68 61 74 20 77 6f |99..<p>..What wo| 00000070 75 6c 64 20 77 65 20 64 6f 20 77 69 74 68 6f 75 |uld we do withou| 00000080 74 20 74 68 65 6d 3f 0d 0a 3c 70 3e 0d 0a 3c 68 |t them?..<p>..<h| 00000090 72 3e 0d 0a 3c 61 3e 3c 6e 61 6d 65 3d 22 37 34 |r>..<a><name="74| 000000a0 39 35 36 22 3e 3c 2f 61 3e 0d 0a 3c 68 33 3e 37 |956"></a>..<h3>7| 000000b0 34 39 35 36 3c 2f 68 33 3e 0d 0a 38 2d 62 69 74 |4956</h3>..8-bit| 000000c0 20 33 2d 73 74 61 74 65 20 6e 6f 6e 69 6e 76 65 | 3-state noninve| 000000d0 72 74 69 6e 67 20 6c 61 74 63 68 65 64 20 74 72 |rting latched tr| 000000e0 61 6e 73 63 65 69 76 65 72 2e 0d 0a 3c 70 72 65 |ansceiver...<pre| 000000f0 3e 0d 0a 20 20 20 20 20 2b 2d 2d 2d 2b 2d 2d 2b |>.. +---+--+| 00000100 2d 2d 2d 2b 0d 0a 4c 45 41 42 20 7c 31 20 20 2b |---+..LEAB |1 +| 00000110 2d 2d 2b 20 32 34 7c 20 56 43 43 0d 0a 20 53 41 |--+ 24| VCC.. SA| 00000120 42 20 7c 32 20 20 20 20 20 20 20 32 33 7c 20 4c |B |2 23| L| 00000130 45 42 41 0d 0a 20 44 49 52 20 7c 33 20 20 20 20 |EBA.. DIR |3 | 00000140 20 20 20 32 32 7c 20 53 42 41 0d 0a 20 20 41 31 | 22| SBA.. A1| 00000150 20 7c 34 20 20 20 20 20 20 20 32 31 7c 20 2f 4f | |4 21| /O| 00000160 45 0d 0a 20 20 41 32 20 7c 35 20 20 20 20 20 20 |E.. A2 |5 | 00000170 20 32 30 7c 20 42 31 0d 0a 20 20 41 33 20 7c 36 | 20| B1.. A3 |6| 00000180 20 20 20 37 34 20 20 31 39 7c 20 42 32 0d 0a 20 | 74 19| B2.. | 00000190 20 41 34 20 7c 37 20 20 39 35 36 20 20 31 38 7c | A4 |7 956 18|| 000001a0 20 42 33 0d 0a 20 20 41 35 20 7c 38 20 20 20 20 | B3.. A5 |8 | 000001b0 20 20 20 31 37 7c 20 42 34 0d 0a 20 20 41 36 20 | 17| B4.. A6 | 000001c0 7c 39 20 20 20 20 20 20 20 31 36 7c 20 42 35 0d ||9 16| B5.| 000001d0 0a 20 20 41 37 20 7c 31 30 20 20 20 20 20 20 31 |. A7 |10 1| 000001e0 35 7c 20 42 36 0d 0a 20 20 41 38 20 7c 31 31 20 |5| B6.. A8 |11 | 000001f0 20 20 20 20 20 31 34 7c 20 42 37 0d 0a 20 47 4e | 14| B7.. GN| 00000200 44 20 7c 31 32 20 20 20 20 20 20 31 33 7c 20 42 |D |12 13| B| 00000210 38 0d 0a 20 20 20 20 20 2b 2d 2d 2d 2d 2d 2d 2d |8.. +-------| 00000220 2d 2d 2d 2b 0d 0a 3c 2f 70 72 65 3e 0d 0a 3c 70 |---+..</pre>..<p| 00000230 3e 0d 0a 3c 61 3e 3c 6e 61 6d 65 3d 22 37 34 39 |>..<a><name="749| 00000240 39 30 22 3e 3c 2f 61 3e 0d 0a 3c 68 33 3e 37 34 |90"></a>..<h3>74| 00000250 39 39 30 3c 2f 68 33 3e 0d 0a 38 2d 62 69 74 20 |990</h3>..8-bit | 00000260 74 72 61 6e 73 70 61 72 65 6e 74 20 6c 61 74 63 |transparent latc| 00000270 68 20 77 69 74 68 20 72 65 61 64 62 61 63 6b 2e |h with readback.| 00000280 0d 0a 3c 70 72 65 3e 0d 0a 20 20 20 20 20 20 2b |..<pre>.. +| 00000290 2d 2d 2d 2b 2d 2d 2b 2d 2d 2d 2b 0d 0a 2f 4f 45 |---+--+---+../OE| 000002a0 52 42 20 7c 31 20 20 2b 2d 2d 2b 20 32 30 7c 20 |RB |1 +--+ 20| | 000002b0 56 43 43 0d 0a 20 20 20 44 31 20 7c 32 20 20 20 |VCC.. D1 |2 | 000002c0 20 20 20 20 31 39 7c 20 51 31 0d 0a 20 20 20 44 | 19| Q1.. D| 000002d0 32 20 7c 33 20 20 20 20 20 20 20 31 38 7c 20 51 |2 |3 18| Q| 000002e0 32 0d 0a 20 20 20 44 33 20 7c 34 20 20 20 20 20 |2.. D3 |4 | 000002f0 20 20 31 37 7c 20 51 33 0d 0a 20 20 20 44 34 20 | 17| Q3.. D4 | 00000300 7c 35 20 20 20 37 34 20 20 31 36 7c 20 51 34 0d ||5 74 16| Q4.| 00000310 0a 20 20 20 44 35 20 7c 36 20 20 39 39 30 20 20 |. D5 |6 990 | 00000320 31 35 7c 20 51 35 0d 0a 20 20 20 44 36 20 7c 37 |15| Q5.. D6 |7| 00000330 20 20 20 20 20 20 20 31 34 7c 20 51 36 0d 0a 20 | 14| Q6.. | 00000340 20 20 44 37 20 7c 38 20 20 20 20 20 20 20 31 33 | D7 |8 13| 00000350 7c 20 51 37 0d 0a 20 20 20 44 38 20 7c 39 20 20 || Q7.. D8 |9 | 00000360 20 20 20 20 20 31 32 7c 20 51 38 0d 0a 20 20 47 | 12| Q8.. G| 00000370 4e 44 20 7c 31 30 20 20 20 20 20 20 31 31 7c 20 |ND |10 11| | 00000380 4c 45 0d 0a 20 20 20 20 20 20 2b 2d 2d 2d 2d 2d |LE.. +-----| 00000390 2d 2d 2d 2d 2d 2b 0d 0a 3c 2f 70 72 65 3e 0d 0a |-----+..</pre>..| 000003a0 3c 70 3e 0d 0a 3c 61 3e 3c 6e 61 6d 65 3d 22 37 |<p>..<a><name="7| 000003b0 34 39 39 32 22 3e 3c 2f 61 3e 0d 0a 3c 68 33 3e |4992"></a>..<h3>| 000003c0 37 34 39 39 32 3c 2f 68 33 3e 0d 0a 39 2d 62 69 |74992</h3>..9-bi| 000003d0 74 20 33 2d 73 74 61 74 65 20 74 72 61 6e 73 70 |t 3-state transp| 000003e0 61 72 65 6e 74 20 6c 61 74 63 68 20 77 69 74 68 |arent latch with| 000003f0 20 72 65 61 64 62 61 63 6b 20 61 6e 64 20 72 65 | readback and re| 00000400 73 65 74 2e 0d 0a 3c 70 72 65 3e 0d 0a 20 20 20 |set...<pre>.. | 00000410 20 20 20 2b 2d 2d 2d 2b 2d 2d 2b 2d 2d 2d 2b 0d | +---+--+---+.| 00000420 0a 2f 4f 45 52 42 20 7c 31 20 20 2b 2d 2d 2b 20 |./OERB |1 +--+ | 00000430 32 34 7c 20 56 43 43 0d 0a 20 20 20 44 31 20 7c |24| VCC.. D1 || 00000440 32 20 20 20 20 20 20 20 32 33 7c 20 51 31 0d 0a |2 23| Q1..| 00000450 20 20 20 44 32 20 7c 33 20 20 20 20 20 20 20 32 | D2 |3 2| 00000460 32 7c 20 51 32 0d 0a 20 20 20 44 33 20 7c 34 20 |2| Q2.. D3 |4 | 00000470 20 20 20 20 20 20 32 31 7c 20 51 33 0d 0a 20 20 | 21| Q3.. | 00000480 20 44 34 20 7c 35 20 20 20 20 20 20 20 32 30 7c | D4 |5 20|| 00000490 20 51 34 0d 0a 20 20 20 44 35 20 7c 36 20 20 20 | Q4.. D5 |6 | 000004a0 37 34 20 20 31 39 7c 20 51 35 0d 0a 20 20 20 44 |74 19| Q5.. D| 000004b0 36 20 7c 37 20 20 39 39 32 20 20 31 38 7c 20 51 |6 |7 992 18| Q| 000004c0 36 0d 0a 20 20 20 44 37 20 7c 38 20 20 20 20 20 |6.. D7 |8 | 000004d0 20 20 31 37 7c 20 51 37 0d 0a 20 20 20 44 38 20 | 17| Q7.. D8 | 000004e0 7c 39 20 20 20 20 20 20 20 31 36 7c 20 51 38 0d ||9 16| Q8.| 000004f0 0a 20 20 20 44 39 20 7c 31 30 20 20 20 20 20 20 |. D9 |10 | 00000500 31 35 7c 20 51 39 0d 0a 20 2f 52 53 54 20 7c 31 |15| Q9.. /RST |1| 00000510 31 20 20 20 20 20 20 31 34 7c 20 2f 4f 45 0d 0a |1 14| /OE..| 00000520 20 20 47 4e 44 20 7c 31 32 20 20 20 20 20 20 31 | GND |12 1| 00000530 33 7c 20 4c 45 0d 0a 20 20 20 20 20 20 2b 2d 2d |3| LE.. +--| 00000540 2d 2d 2d 2d 2d 2d 2d 2d 2b 0d 0a 3c 2f 70 72 65 |--------+..</pre| 00000550 3e 0d 0a 3c 70 3e 0d 0a 3c 61 3e 3c 6e 61 6d 65 |>..<p>..<a><name| 00000560 3d 22 37 34 39 39 34 22 3e 3c 2f 61 3e 0d 0a 3c |="74994"></a>..<| 00000570 68 33 3e 37 34 39 39 34 3c 2f 68 33 3e 0d 0a 31 |h3>74994</h3>..1| 00000580 30 2d 62 69 74 20 74 72 61 6e 73 70 61 72 65 6e |0-bit transparen| 00000590 74 20 6c 61 74 63 68 20 77 69 74 68 20 72 65 61 |t latch with rea| 000005a0 64 62 61 63 6b 2e 0d 0a 3c 70 72 65 3e 0d 0a 20 |dback...<pre>.. | 000005b0 20 20 20 20 20 2b 2d 2d 2d 2b 2d 2d 2b 2d 2d 2d | +---+--+---| 000005c0 2b 0d 0a 2f 4f 45 52 42 20 7c 31 20 20 2b 2d 2d |+../OERB |1 +--| 000005d0 2b 20 32 34 7c 20 56 43 43 0d 0a 20 20 20 44 31 |+ 24| VCC.. D1| 000005e0 20 7c 32 20 20 20 20 20 20 20 32 33 7c 20 51 31 | |2 23| Q1| 000005f0 0d 0a 20 20 20 44 32 20 7c 33 20 20 20 20 20 20 |.. D2 |3 | 00000600 20 32 32 7c 20 51 32 0d 0a 20 20 20 44 33 20 7c | 22| Q2.. D3 || 00000610 34 20 20 20 20 20 20 20 32 31 7c 20 51 33 0d 0a |4 21| Q3..| 00000620 20 20 20 44 34 20 7c 35 20 20 20 20 20 20 20 32 | D4 |5 2| 00000630 30 7c 20 51 34 0d 0a 20 20 20 44 35 20 7c 36 20 |0| Q4.. D5 |6 | 00000640 20 20 37 34 20 20 31 39 7c 20 51 35 0d 0a 20 20 | 74 19| Q5.. | 00000650 20 44 36 20 7c 37 20 20 39 39 34 20 20 31 38 7c | D6 |7 994 18|| 00000660 20 51 36 0d 0a 20 20 20 44 37 20 7c 38 20 20 20 | Q6.. D7 |8 | 00000670 20 20 20 20 31 37 7c 20 51 37 0d 0a 20 20 20 44 | 17| Q7.. D| 00000680 38 20 7c 39 20 20 20 20 20 20 20 31 36 7c 20 51 |8 |9 16| Q| 00000690 38 0d 0a 20 20 20 44 39 20 7c 31 30 20 20 20 20 |8.. D9 |10 | 000006a0 20 20 31 35 7c 20 51 39 0d 0a 20 20 44 31 30 20 | 15| Q9.. D10 | 000006b0 7c 31 31 20 20 20 20 20 20 31 34 7c 20 51 31 30 ||11 14| Q10| 000006c0 0d 0a 20 20 47 4e 44 20 7c 31 32 20 20 20 20 20 |.. GND |12 | 000006d0 20 31 33 7c 20 4c 45 0d 0a 20 20 20 20 20 20 2b | 13| LE.. +| 000006e0 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2b 0d 0a 3c 2f 70 |----------+..</p| 000006f0 72 65 3e 0d 0a 3c 70 3e 0d 0a 3c 68 72 3e 3c 61 |re>..<p>..<hr><a| 00000700 20 68 72 65 66 3d 22 68 74 74 70 3a 2f 2f 73 63 | href="http://sc| 00000710 69 65 6e 63 65 2e 73 6d 73 75 2e 65 64 75 2f 7e |ience.smsu.edu/~| 00000720 77 69 63 6b 73 2f 65 6c 65 63 2f 69 63 2d 69 6e |wicks/elec/ic-in| 00000730 64 65 78 2e 68 74 6d 6c 22 3e 0d 0a 42 61 63 6b |dex.html">..Back| 00000740 20 74 6f 20 74 68 65 20 69 6e 64 65 78 2e 3c 2f | to the index.</| 00000750 61 3e 0d 0a 3c 2f 62 6f 64 79 3e 0d 0a 3c 2f 68 |a>..</body>..</h| 00000760 74 6d 6c 3e 0d 0a |tml>..| 00000766
.