SMC Networks SMC91C95 Uživatelský manuál stáhnout pdf (Strana 109)

109

FIGURE 19 - PCMCIA MEMORY WRITE TIMING

A[5:0], nREG

nCE1

nWE

D[15:0 (Din)]

250 min

0 min

Parameter Min Typ Max Units

t1 nWE Pulse Width 150 ns

t2 Address/nREG Setup Time to

nWE Low

30 ns

t3 Address/nREG Setup Time to

nWE High

180 ns

t4 nCE1 Low to nWE High Setup

Time

180 ns

t5 Data to nWE High Setup Time 80 ns

t6 Data Hold Time from nWE High 30 ns

t7 Write Recovery Time (Address,

nREG Hold from nWE High)

30 ns

nOE

20 min

NOTE: Minimum write pulse width must be met whether or not nWAIT is

asserted by the SMC91C95

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SMC Networks SMC91C95 Uživatelský manuál Strana 109