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Table 6.5
AC Characteristics
(Conditions: V
= 6.0 V ±0.25 V, V
CC
Item
Address setup time
OE setup time
Data setup time
Address hold time
Data hold time
Data output disable time
V
setup time
PP
Programming pulse width
PGM pulse width for overwrite programming
CE setup time
V
setup time
CC
Data output delay time
Notes: 1. Input pulse level: 0.45 V to 2.2 V
Input rise time/fall time ≤ 20 ns
Timing reference levels
2. t
is defined at the point at which the output is floating and the output level cannot be
DF
read.
3. t
is defined by the value given in figure 6.4, High-Speed, High-Reliability
OPW
Programming Flow Chart.
= 12.5 V ±0.3 V, T
PP
Symbol
Min Typ
t
2
AS
t
2
OES
t
2
DS
t
0
AH
t
2
DH
*
2
t
—
DF
t
2
VPS
t
0.19 0.20
PW
*
3
t
0.19 —
OPW
t
2
CES
t
2
VCS
t
0
OE
Input:
0.8 V, 2.0 V
Output: 0.8 V, 2.0 V
Rev. 6.00 Aug 04, 2006 page 163 of 680
= 25°C ±5°C)
a
Max
Unit Test Condition
—
—
µs
—
—
µs
—
—
µs
—
—
µs
—
—
µs
—
130
µs
—
—
µs
0.21
ms
5.25
ms
—
—
µs
—
—
µs
—
200
ns
REJ09B0145-0600
Section 6 ROM
Figure 6.5 *
1
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