Maxtor 92048D8, 91024D4, 90750D3, 91280D5, 91536D6, 91792D7 manual PIO Timing, Timing Parameters Mode

AT INTERFACE DESCRIPTION

PIO Timing

TIMING PARAMETERS		MODE 0	MODE 1	MODE 2	MODE 3	MODE 4
t0	Cycle Time (min)	600 ns	383 ns	240 ns	180 ns	120 ns
t1	Address valid to DIOR-/DIOW- setup (min)	70 ns	50 ns	30 ns	30 ns	25 ns
t2	DIOR-/DIOW- 16-bit (min)	165 ns	125 ns	100 ns	80 ns	70 ns
t2i	DIOR-/DIOW- recovery time (min)				70 ns	25 ns
t3	DIOW- data setup (min)	60 ns	45 ns	30 ns	30 ns	20 ns
t4	DIOW- data hold (min)	30 ns	20 ns	15 ns	10 ns	10 ns
t5	DIOR- data setup (min)	50 ns	35 ns	20 ns	20 ns	20 ns
t6	DIOW- data hold (min)	5 ns	5 ns	5 ns	5 ns	5 ns
t6Z	DIOR- data tristate (max)	30 ns	30 ns	30 ns	30 ns	30 ns
t9	DIOR-/DIOW- to address valid hold (min)	20 ns	15 ns	10 ns	10 ns	10 ns
tRd	Read Data Valid to IORDY active (min)	0	0	0	0	0
tA	IORDY Setup Time	35 ns	35 ns	35 ns	35 ns	35 ns
tB	IORDY Pulse Width (max)	1250 ns	1250 ns	1250 ns	1250 ns	1250 ns

Figure 5 - 2

PIO Data Transfer To/From Device

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