Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-07-04 17:38:08 +03:00
Code Issues Actions 36 Packages Projects Releases Wiki Activity

Leave more comments on differences between 74107 and 74107A.

Browse Source 
Bought two 74107 for an incredible price on eBay :-( (nw)
This commit is contained in:
couriersud 2016-12-24 01:55:48 +01:00
parent 0809c70e69
commit c0da1cee57
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/lib/netlist/devices/nld_74107.h
View File

@ -32,7 +32,9 @@
*
* This is positive triggered, J and K
* are latched during clock high and
* transferred when CLK falls.
* transferred when CLK falls. The
* datasheet requires J and K to be
* stable during clock high.
*
* Function table 107A
*
@ -51,8 +53,11 @@
*
* Naming conventions follow Texas instruments datasheet
*
* FIXME: Currently, only the 107A is implemented.
* The 107 uses the same model.
* TODO: Currently, only the 107A is implemented.
* The 107 uses the same model, but different timings.
* The requirement that J and K must be stable during
* clock high indicates that the chip may exhibit undefined
* behaviour.
*
*/