15 of 30 May 4, 2004
IDT 79RC32332
AC Timing Characteristics — RC32332
Ta Commercial = 0°C to +70°C; Ta Industrial = -40°C to +85°C
3.3V version
: V
cc
Core = +3.3V±5%; V
cc
I/O = +3.3V±5%
2.5V version
: V
cc
Core = +2.5V±5%; V
cc
I/O = +3.3V±5%
Signal Symbol
Reference
Edge
100MHz
1
133MHz
1
150MHz
1
Units
User Manual
Timing
Diagram
Reference
Min Max Min Max Min Max
Local System Interface
mem_data[31:0] (data phase) Tsu2 cpu_masterclk rising 6 — 5 — 4.8 — ns Chapter 9, Figures
9.2 and 9.3
Chapter 10,
Figures 10.6
through 10.8
mem_data[31:0] (data phase) Thld2 cpu_masterclk rising 1.5 — 1.5 — 1.5 — ns
cpu_dt_r_n Tdo3 cpu_masterclk rising — 15 — 12 — 10 ns
mem_data[31:0] Tdo4 cpu_masterclk rising — 12 — 10 — 9.3 ns
mem_data[31:0] output hold time Tdoh1 cpu_masterclk rising 1 — 1 — 1 — ns
mem_data[31:0] (tristate disable
time)
Tdz cpu_masterclk rising — 12
2
—10
2
—9.3
2
ns
mem_data[31:0] (tristate to data
time)
Tzd cpu_masterclk rising — 12
2
—10
2
—9.3
2
ns
mem_wait_n Tsu6 cpu_masterclk rising 9 — 7 — 6 — ns
mem_wait_n Thld8 cpu_masterclk rising 1 — 1 — 1 — ns
mem_addr[22:2] Tdo5 cpu_masterclk rising — 12 — 9 — 8 ns
mem_cs_n[5:0] Tdo6 cpu_masterclk rising — 12 — 9 — 8 ns
mem_oe_n, mem_245_oe_n Tdo7 cpu_masterclk rising — 12 — 9 — 8 ns
mem_we_n[3:0] Tdo7a cpu_masterclk rising — 15 — 12 — 10 ns
mem_245_dt_r_n Tdo8 cpu_masterclk rising — 15 — 12 — 10 ns
mem_addr[25:2]
mem_cs_n[5:0]
mem_oe_n, mem_we_n[3:0],
mem_245_dt_r_n,
mem_245_oe_n
Tdoh3 cpu_masterclk rising 1.5 — 1.5 — 1.5 — ns
PCI for 3.3V Device
3
pci_ad[31:0], pci_cbe_n[3:0],
pci_par, pci_frame_n, pci_trdy_n,
pci_irdy_n, pci_stop_n, pci_perr_n,
pci_serr_n, pci_devsel_n,
pci_lock_n
Tsu pci_clk rising 3—3—3—ns
pci_idsel, pci_req_n[2],
pci_req_n[1], pci_req_n[0],
pci_gnt_n[0], pci_inta_n
Tsu pci_clk rising 5—5—5—ns
pci_gnt_n[0] Tsu pci_clk rising 5 — 5 — 5 — ns
pci_ad[31:0], pci_cbe_n[3:0],
pci_par, pci_frame_n, pci_trdy_n,
pci_irdy_n, pci_stop_n, pci_perr_n,
pci_serr_n, pci_devsel_n,
pci_lock_n
4
Thld pci_clk rising 0 — 0 — 0 — ns
Table 6 AC Timing Characteristics - RC32332 (Part 1 of 4)