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SN74ACT3632_08 Datasheet, PDF (12/30 Pages) Texas Instruments – 512 × 36 × 2CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY | |||
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SN74ACT3632
512 Ã 36 Ã 2
CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY
SCAS224D â JUNE 1992 â REVISED APRIL 1998
tc
tw(CLKH)
tw(CLKL)
CLKA
IRA
ÃÃÃ CSA
ÃÃÃÃÃÃÃÃ ÃÃÃÃÃÃ ÃÃÃÃÃÃ W/RA
ÃÃÃÃÃÃÃÃ ÃÃÃ ÃÃÃÃÃÃ MBA
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃÃÃÃ ÃÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ENA
tsu(EN)
tsu(EN)
tsu(EN)
tsu(EN)
th(EN)
th(EN)
th(EN)
th(EN) tsu(EN)
th(EN) tsu(EN)
th(EN)
ÃÃÃÃÃÃÃ ÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃÃÃÃÃÃ A0âA35
tsu(D)
W1â
th(D)
W2â
No Operation
â Written to FIFO1
Figure 3. Port-A Write-Cycle Timing for FIFO1
CLKB
tc
tw(CLKH)
tw(CLKL)
IRB
tsu(EN)
CSB
B0WâMEB/NRB3BBB5ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃtttssstÃÃÃÃÃÃÃÃuuus(((uEEE(NNNDÃÃÃÃÃÃÃÃ)))) ÃÃÃÃÃÃW1â
th(EN)
ÃÃÃÃÃÃ th(EN)
ÃÃÃÃÃÃ th(EN)
ÃÃÃÃÃÃ th(EN) tsu(EN)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ th(D)
W2ÃÃÃÃâ¡ ÃÃÃÃÃÃÃÃth(EÃÃÃÃN) ÃÃÃÃtsu(ÃÃÃÃEN)ÃÃÃÃNoÃÃOpeÃÃÃÃÃÃÃÃratiÃÃÃÃÃÃoÃÃn tÃÃÃÃÃÃÃÃh(ENÃÃÃÃÃÃÃÃ) ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ
â¡ Written to FIFO2
Figure 4. Port-B Write-Cycle Timing for FIFO2
12
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