Data Sheet S15535EJ2V0DS

10

2.

ELECTRICAL SPECIFICATIONS

2.1

Buffer List

• 3 V input buffer with Pull down resister

NTEST1, NTEST2, TEST, SMC, SIN/TIN, SRMOD, AMC, SCK/TCLK, CLKSEL, TEB

• 3 V output buffer

• 3 V bi-directional buffer

• 3 V Oscillator interface

XT1/SCLK, XT2

• 5 V input buffer

VCCRST0, PIN_EN

SMI0, PME0, INTA0, INTB0, INTC0, SERR0

A20S

IRO1, IRO2

• 5 V PCI Input buffer with enable (OR type)

PCLK, VBBRST0, GNT0, IDSEL

REQ0

AD(31:0), CBE(3:0)0, PAR, FRAME0, IRDY0, TRDY0, STOP0, DEVSEL0, PERR0, CRUN0, IRI(1:2),

PPON(1:5), OCI(1:5)

• USB interface

DP(1:5), DM(1:5), RSDP(1:5), RSDM(1:5), PC1, PC2, RREF, SELDAT, SELCLK

Above, “5 V” refers to a 3-V buffer with 5-V tolerant circuit. Therefore, it is possible to have a 5-V connection for an

PCI buffer that has a 5-V tolerant circuit, which meets the 3-V PCI standard; it does not refer to a PCI buffer that

meets the 5-V PCI standard.