HD6433044 Datasheet, PDF (574/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

Table 18-6 AC Characteristics
(Conditions: V_CC = 6.0 V ± 0.25 V, V_PP = 12.5 V ± 0.3 V, T_a = 25°C ± 5°C)
Item
Symbol Min Typ Max Unit Test Conditions
Address setup time
t_AS
2
——
µs
Figure 18-5^*1
OE setup time
t_OES
2
——
µs
Data setup time
t_DS
2
——
µs
Address hold time
t_AH
0
——
µs
Data hold time
t_DH
2
——
µs
Data output disable time
t_DF^*2
— — 130
ns
V_PP setup time
t_VPS
2
——
µs
Programming pulse width
t_PW
0.19 0.20 0.21 ms
PGM pulse width for overwrite t_OPW^*3
0.19 — 5.25
ms
programming
V_CC setup time
t_VCS
2
——
µs
CE setup time
t_CES
2
——
µs
Data output delay time
t_OE
0
— 150
ns
Notes: 1. Input pulse level: 0.8 V to 2.2 V
Input rise time and fall time ≤ 20 ns
Timing reference levels: 1.0 V and 2.0 V for input; 0.8 V and 2.0 V for output
2. t_DF is defined at the point where the output is in the open state and the output level
cannot be read.
3. t_OPW is defined by the value given in the flowchart.
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