LSI53C875 LSI Logic, LSI53C875 Datasheet - Page 13

• Manufacturer Part Number: LSI53C875
• Description: PCI to Ultra SCSI I/O Processor
• Manufacturer: LSI Logic

7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
7.18
7.19
7.20
7.21
7.22
7.23
7.24
7.25
7.26
7.27
7.28
Contents
Absolute Maximum Stress Ratings
Operating Conditions
SCSI Signals—SD[15:0]/, SDP[1:0]/, SREQ/, SACK/
SCSI Signals—SMSG, SI_O/, SC_D/, SATN/, SBSY/,
SSEL/, SRST/
Input Signals—CLK, SCLK, GNT/, IDSEL, RST/,
TESTIN, DIFFSENS, BIG_LIT/
Capacitance
Output Signals—MAC/_TESTOUT, REQ/
Output Signals—IRQ/, SDIR[15:0], SDIRP0, SDIRP1,
BSYDIR, SELDIR, RSTDIR, TGS, IGS, MAS/[1:0], MCE/,
MOE/, MWE/
Output Signal—SERR/
Bidirectional Signals—AD[31:0], C_BE[3:0], FRAME/,
IRDY/, TRDY/, DEVSEL/, STOP/, PERR/, PAR
Bidirectional Signals—GPIO0_FETCH/, GPIO1_MASTER/,
GPIO2_MAS2/, GPIO3, GPIO4
Bidirectional Signals—MAD[7:0]
Input Signals—TDI, TMS, TCK (LSI53C875J,
LSI53C875JB, LSI53C875N Only)
Output Signal—TDO (LSI53C875, LSI53C875JB,
LSI53C875N Only)
TolerANT Technology Electrical Characteristics
Clock Timing
Reset Input
Interrupt Output
LSI53C875 PCI and External Memory Interface Timing
Initiator Asynchronous Send
Initiator Asynchronous Receive
Target Asynchronous Send
Target Asynchronous Receive
SCSI-1 Transfers (SE, 5.0 Mbytes/s)
SCSI-1 Transfers (Differential, 4.17 Mbytes/s)
SCSI-2 Fast Transfers 10.0 Mbytes/s (8-Bit Transfers)
or 20.0 Mbytes/s (16-Bit Transfers), 40 MHz Clock
SCSI-2 Fast Transfers 10.0 Mbytes/s (8-Bit Transfers)
or 20.0 Mbytes/s (16-Bit Transfers), 50 MHz Clock
Ultra SCSI SE Transfers 20.0 Mbytes/s (8-Bit Transfers)
or 40.0 Mbytes/s (16-Bit Transfers), 80 MHz Clock
7-11
7-12
7-13
7-50
7-51
7-52
7-52
7-53
7-54
7-54
7-55
7-55
7-56
7-2
7-2
7-3
7-3
7-3
7-4
7-4
7-4
7-4
7-5
7-5
7-6
7-6
7-6
7-7
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