Hayes Microcomputer Products RCV56HCF - Manual (Page 44)

RCV56HCF PCI/CardBus Modem Designer’s Guide
ROCKWELL PROPRIETARY INFORMATION 1129 3-22
3.3 INTERFACE TIMING AND WAVEFORMS
3.3.1 PCI Bus Timing
The PCI interface timing conforms to the PCI Local Bus Specification, Production Version, Revision 2.1, June 1, 1995.
3.3.2 Serial EEPROM Timing
The serial EEPROM interface timing is listed in Table 3-11 and is shown in Figure 3-6.
Table 3-11. Timing - Serial EEPROM Interface
Symbol Parameter Min Typ. Max Units Test Condition
tCSS Chip select setup 400 500 – ns
tCSH Chip select hold 400 500 – ns
tDOS Data output setup 400 500 – ns
tDOH Data output hold 400 500 – ns
tPD0 Data input delay – – 400 ns
tPD1 Data input delay – – 400 ns
tDF Data input disable time – – 100 ns
tSV Status valid – – 100 ns
tSKH Clock high 500 – – ns
tSKL Clock low 500 – – ns
1123F3-7 EEPROM
SROMCS (CS)
SROMIN (DO) (PROGRAM)
SROMOUT (DI)
SROMIN (DO) (READ)
SROMCLK (SK)
t CSS
t SKL t SKH
t DOH t DOS
t CSH
t PD1 t DF
t DF
t PD0
t SV
Figure 3-6. Waveforms - Serial EEPROM Interface