Hitachi H8/3048 Hardware Manual page 630

Table 18-23 AC Characteristics in PROM Mode
www.DataSheet4U.com
(Conditions: V = 5.0 V ± 10%, V
CC
Item
Command write cycle
Address setup time
Address hold time
Data setup time
Data hold time
CE setup time
CE hold time
V setup time
PP
V hold time
PP
WE programming pulse
width
WE programming pulse
high time
OE setup time before
command write
OE setup time before verify
Verify access time
OE setup time before status
polling
Status polling access time
Program wait time
Erase wait time
Output disable time
Total auto-erase time
Note: CE, OE, and WE should be high during transitions of V
5 V.
* Input pulse level: 0.45 V to 2.4 V
Input rise time and fall time ≤ 10 ns
Timing reference levels: 0.8 V and 2.0 V for input; 0.8 V and 2.0 V for output
= 12.0 V ± 0.6 V, V
PP SS
Symbol Min Typ
t 120 —
CWC
t 0 —
AS
t 60 —
AH
t 50 —
DS
t 10 —
DH
t 0 —
CES
t 0 —
CEH
t 100 —
VPS
t 100 —
VPH
t 70 —
WEP
t 20 —
WEH
t 0 —
OEWS
t 6 —
OERS
t — —
VA
t 120 —
OEPS
t — —
SPA
t 25 —
PPW
t 9 —
ET
0 —
t
DF
t 0.5 —
AET
621
= 0 V, T = 25°C ± 5°C)
a
Max Unit Test Conditions
— ns
Figure 18-25
Figure 18-26
— ns
Figure 18-27
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— µs
500 ns
— ns
120 ns
— ns
11 ms
40 ns
30 s
from 5 V to 12 V and from 12 V to
PP
*