3069RF-ZTAT Datasheet, PDF (692/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

18.10.2 AC Characteristics and Timing in Writer Mode
Table 18.20 AC Characteristics in Memory Read Mode
Condition : V_CC = 5.0 V ± 0.5 V, V_SS = 0 V, T_a = 25°C ± 5°C
Code
Symbol Min
Command write cycle
t_nxtc
20
CE hold time
t
0
ceh
CE setup time
t
0
ces
Data hold time
t_dh
50
Data setup time
t_ds
50
Programming pulse width t_wep
70
WE rise time
t_r
WE fall time
t
f
Max Unit
µs
ns
ns
ns
ns
ns
30
ns
30
ns
Note
A18-0
CE
OE
WE
I/O7-0
Command write
t_ces
t_ceh
t_nxtc
t_wep
tf
tr
t_ds
t_dh
Memory read mode
Address stable
Note : Data is latched at the rising edge of WE.
Figure 18.29 Memory Read Timing after Command Write
Rev. 5.0, 09/04, page 670 of 978