UPD30121 datasheet(50/76 Pages) NEC

50 / 76 page

Data Sheet U14691EJ1V0DS00

µµµµPD30121

(11) Flash memory mode read parameter

Parameter

Symbol

Condition

MIN.

MAX.

Unit

Data output delay time from address

tAVQV

180

Data output delay time from ROMCS (0:3)#

tELQV

180

Address setup time (to ROMCS (0:3)#

↓)tAVEL

0ns

Data output delay time from RD#

↓

tGLQV

Address setup time (to RD#

↓)tAVGL

0ns

ROMCS (0:3)# hold time (from RD#

↑)tGHEH

Address hold time (from RD#

↑)tGHAX

RD# high-level width

tGHGL

Data input setup time

tDS

0ns

Data input hold time

tDH

5ns

ROMCS (0:3)# setup time (to RD#

↓)tELGL

ROMCS (0:3)#

(output)

RD#

(output)

Invalid

ADD (19:20),

ADD (0:8)

(output)

ADD (9:18)

(output)

Invalid

tAVEL

tAVGL

tELGL

tGLQV

tELQV

tALQV

tGHGL

tGHEH

tGHAX

tDS

tDH

DATA

(I/O)

Note

Note In 32-bit mode: Applied to DATA (16:31)/GPIO (16:31) and DATA (0:15) pins

In 16-bit mode: Applied to DATA (0:15) pins

Remark The broken lines indicate high impedance.

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