38K2 datasheet(273/358 Pages) RENESAS

273 / 358 page

3.1 Electrical characteristics (L.Ver)

Rev.2.00

Oct 15, 2006

page 12 of 99

38K2 Group

REJ09B0338-0200

APPENDIX

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

ta(R-D)

tv(R-D)

ta(ACK-D)

tv(ACK-D)

td(R-Mdis)

td(W-Mdis)

td(R-Men)

td(W-Men)

Data output enable time after read

Data output disable time after read

Data output enable time after ExDACK

Data output disable time after ExDACK

In cycle mode

Mch_req disable output delay time after read

In cycle mode

Mch_req disable output delay time after write

In cycle mode

Mch_req enable output delay time after read

In cycle mode

Mch_req enable output delay time after write

Table 3.1.13 Switching characteristics of external bus interface (EXB) (1)

(VCC = 4.00 to 5.25 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

USB function not operating

USB function operating

tC(

φ)+10

tC(

φ)+10

tC(

φ)•3+10

tC(

φ)•5+10

tC(

φ)•3+10

tC(

φ)•5+10

USB function not operating

USB function operating

Min.

Typ.

Max.

Symbol

Parameter

Limits

Unit

ta(R-D)

tv(R-D)

ta(ACK-D)

tv(ACK-D)

td(R-Mdis)

td(W-Mdis)

td(R-Men)

td(W-Men)

Data output enable time after read

Data output disable time after read

Data output enable time after ExDACK

Data output disable time after ExDACK

In cycle mode

Mch_req disable output delay time after read

In cycle mode

Mch_req disable output delay time after write

In cycle mode

Mch_req enable output delay time after read

In cycle mode

Mch_req enable output delay time after write

Table 3.1.14 Switching characteristics of external bus interface (EXB) (2)

(VCC = 3.00 to 4.00 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

USB function not operating

USB function operating

120

tC(

φ)+30

tC(

φ)+30

tC(

φ)•3+30

tC(

φ)•5+30

tC(

φ)•3+30

tC(

φ)•5+30

USB function not operating

USB function operating

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