HD6433044 Datasheet, PDF (630/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

Table 18-23 AC Characteristics in PROM Mode
(Conditions: V_CC = 5.0 V ± 10%, V_PP = 12.0 V ± 0.6 V, V_SS = 0 V, T_a = 25°C ± 5°C)
Item
Symbol Min Typ Max Unit Test Conditions
Command write cycle
Address setup time
Address hold time
Data setup time
Data hold time
CE setup time
CE hold time
V_PP setup time
V_PP hold time
WE programming pulse
width
t_CWC
t_AS
t_AH
t_DS
t_DH
t_CES
t_CEH
t_VPS
t_VPH
t_WEP
120 —
—
ns
Figure 18-25
0
—
—
ns
Figure 18-26 *
Figure 18-27
60
—
—
ns
50
—
—
ns
10
—
—
ns
0
—
—
ns
0
—
—
ns
100 —
—
ns
100 —
—
ns
70
—
—
ns
WE programming pulse
high time
t_WEH
20
—
—
ns
OE setup time before
command write
t_OEWS
0
—
—
ns
OE setup time before verify
Verify access time
OE setup time before status
polling
t_OERS
t_VA
t_OEPS
6
—
—
—
120 —
—
µs
500 ns
—
ns
Status polling access time
t_SPA
—
—
120 ns
Program wait time
t_PPW
25
—
—
ns
Erase wait time
t_ET
9
—
11
ms
Output disable time
t_DF
0
—
40
ns
Total auto-erase time
t_AET
0.5 —
30
s
Note: CE, OE, and WE should be high during transitions of V_PP from 5 V to 12 V and from 12 V to
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
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