HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 647

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

Table 19.13 AC Characteristics in Transition from Memory Read Mode to Another Mode
Conditions: V
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
WE rise time
WE fall time
Figure 19.15 Timing Waveforms in Transition from Memory Read Mode to Another Mode
I/O7–I/O0
A16–A0
Note: Do not enable WE and OE at the same time.
WE
OE
OE
CE
CE
CC
= 5.0 V ±10%, V
Memory read mode
Address stable
Symbol
t
t
t
t
t
t
t
t
nxtc
ceh
ces
dh
ds
wep
r
f
SS
= 0 V, T
a
= 25°C ±5°C
Min
20
0
0
50
50
70
t
nxtc
Rev. 5.00 Jan 06, 2006 page 627 of 818
Other mode command write
Max
30
30
t
ces
t
Section 19 ROM (256 kB Version)
f
Unit
µs
ns
ns
ns
ns
ns
ns
ns
t
wep
t
ds
REJ09B0273-0500
t
Notes
ceh
t
r
t
dh