SH7020 Datasheet, PDF (461/509 Pages) Renesas Technology Corp – SuperH™ RISC engine

19.3.2 Control Signal Timing
Table 19.5 Control Signal Timing
Case A: V_CC = 3.0 to 5.5 V, V_SS = 0 V, Ta = –20 to +75°C*
Case B: V_CC = 5.0 V ±10%, V_SS = 0 V, Ta = –20 to +75°C*
*: Normal products. Ta = –40 to +85°C for wide-temperature range products.
Case A
Case B
12.5 MHz 16.6 MHz 20 MHz
Item
Symbol Min Max Min Max Min Max Unit Figure
RES setup time
RES pulse width
NMI reset setup time
NMI reset hold time
NMI setup time
NMI hold time
IRQ0–IRQ7 setup time (edge
detection time)
t_RESS 320 —
t_RESW 20
—
t_NMIRS 320 —
t_NMIRH 320 —
t_NMIS 160 —
t_NMIH
80
—
t_IRQES 160 —
240 —
20 —
240 —
240 —
120 —
60 —
120 —
200 —
20 —
200 —
200 —
100 —
50 —
100 —
ns 19.4
t_cyc
ns
ns
ns 19.5
ns
ns
IRQ0–IRQ7 setup time (level t_IRQLS 160 — 120 — 100 — ns
detection time)
IRQ0–IRQ7 hold time
t_IRQEH 80
IRQOUT output delay time)
t_IRQOD —
Bus request setup time
t_BRQS 80
Bus acknowledge delay time 1 t_BACD1 —
Bus acknowledge delay time 2 t_BACD2 —
Bus 3-state delay time
t_BZD
—
— 60 — 50 — ns
80 — 60 — 50 ns 19.6
— 60 — 50 — ns 19.7
80 — 60 — 50 ns
80 — 60 — 50 ns
80 — 60 — 50 ns
RENESAS 451