Purchase CH341, In-stock CH341 From SeekIC.

| TWMEM | WR# | 450 | 500 | nS | |
| TRMEM | RD# | 780 | 830 | nS | |
| TAS | WR#RD# | 450 | nS | ||
| TAH | WR#RD# | 300 | nS | ||
| TDS | WR# | 150 | nS | ||
| TDH | WR# | 300 | nS | ||
| TIS | RD# | 350 | nS | ||
| TIH | RD# | 0 | nS |
1.1. CH341,,, /DSP/MCU.
CH3413 :EPP MEMBUS .EPP EPP V1.7 EPP V1.9,MEM ,BUSMEM ,BUS .EPP,USB, CH341 3 .
1.2. EPP EPP WR#,DS#,AS#,WAIT#, EPP V1.7 V1.9.
EPP WR#,DS#AS#.WR# ,,,. ,DS#AS#,DS#,AS# .EPP ,:WR#DS# ,;WR#AS#,.
CH341A WAIT#,CH341,WAIT#, WAIT#. 0.33uS 0.5uS, 0.5uS0.66uS,660KB/S,: 370KB/S,560KB/S.
1.3. MEM MEM WR#,RD#(DS#),A0 (AS#),WAIT# .
MEM ,WR#RD#.MEM WR#RD#,,WR#,RD# .A0 ,:A0 A0 ;A0=1 ,A0=0 .
WR#0.5uS,RD#0.83uS, 600KB/S.EPP .
1.4. BUS BUS WR#,RD#(DS#),ALE (AS#),WAIT# .BUS CH341A .
BUS ,WR#RD#.MEM WR#RD#,,WR#,RD# .ALE ,,:ALE 74LS373 74HC573,7 A0~A6(A7,A7 0 ,A7 1 ).
BUS I/O , A/D D/A I/O (8155,8255),,BUS ISA ,,I/O . ALE 0.16uS,WR#0.33uS 0.5uS(WAIT# ),RD#0.66uS 1uS(WAIT#). ,.300KB/S,160KB/S.
1.5.
RST#INT#,ERR#,SLCT,PEMP .
RST#,,CH341 .INT#,, .,.
CH341
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