25 of 30 May 4, 2004
IDT 79RC32333
Absolute Maximum Ratings
Package Pin-out — 208-PQFP for RC32333
The following table lists the pin numbers and signal names for the RC32333. Signal names ending with an _n are active when low.
Symbol Parameter Min
1
1.
Functional and tested operating conditions are given in Table 7. Absolute maximum ratings are stress ratings only,
and functional operation is not guaranteed beyond recommended operating voltages and temperatures. Stresses be-
yond those listed may affect device reliability or cause permanent damage to the device.
Max
1
Unit
V
cc
Core
3.3V Device
Supply Voltage -0.3 4.0 V
V
cc
Core
2.5V Device
Supply Voltage -0.3 3.0 V
V
CC
I/O I/O Supply Voltage -0.3 4.0 V
Vi 3.3V Device Input Voltage -0.3 5.5 V
Vi 2.5V Device Input Voltage -0.3 V
CC
I/O+0.3 V
Vimin Input Voltage - undershoot
2
2.
All PCI pads are fully compatible with PCI Specification version 2.2.
-0.6 — V
Tstg Storage Temperature -40 125 degrees C
Table 12 Absolute Maximum Ratings
Pin Function Alt Pin Function Alt Pin Function Alt Pin Function Alt
1 sdram_245_oe_n 53 mem_data[12] 105 pci_ad[7] 157 pci_req_n[1]
2 sdram_we_n 54 mem_data[19] 106 pci_cbe_n[0] 158 pci_req_n[2] 1
3 sdram_cas_n 55 mem_data[13] 107 pci_ad[8] 159 pci_gnt_n[2] 1
4 sdram_bemask_n[0] 56 mem_data[18] 108 pci_ad[9] 160 pci_rst_n
5 sdram_bemask_n[1] 57 mem_data[14] 109 pci_ad[10] 161 cpu_int_n[0]
6V
ss
58 V
ss
110 V
ss
162 cpu_int_n[1]
7V
cc
I/O 59 V
cc
I/O 111 V
cc
I/O 163 V
ss
8 sdram_cs_n[0] 60 mem_data[17] 112 pci_ad[11] 164 V
cc
I/O
9 sdram_cs_n[1] 61 mem_data[16] 113 pci_ad[12] 165 jtag_tdi
10 sdram_ras_n 62 V
cc
core 114 pci_ad[13] 166 jtag_tdo
11 sdram_s_n[0] 63 mem_data[15] 115 pci_ad[14] 167 jtag_tms
12 sdram_s_n[1] 64 cpu_masterclk 116 pci_ad[15] 168 ejtag_tms
13 mem_addr[2] 1 65 mem_data[31] 117 pci_cbe_n[1] 169 jtag_tck
14 mem_addr[3] 1 66 mem_data[0] 118 pci_par 170 jtag_trst_n
15 mem_addr[4] 1 67 mem_data[30] 119 pci_serr_n 171 ejtag_pcst[0] 1
16 V
ss
68 V
ss
120 V
ss
172 ejtag_pcst[1] 1
17 V
cc
I/O 69 V
cc
I/O 121 V
cc
I/O 173 V
ss
18 mem_addr[5] 1 70 mem_data[1] 122 pci_perr_n 174 V
cc
I/O
Table 13 RC32333 208-pin QFP Package Pin-Out (Part 1 of 2)