M29F040B_05 Datasheet, PDF (13/20 Pages) STMicroelectronics – 4 Mbit (512Kb x8, Uniform Block) Single Supply Flash Memory

M29F040B
Table 11. Read AC Characteristics
(TA = 0 to 70°C, –40 to 85°C or –40 to 125°C)
Symbol
Alt
Parameter
Test Condition
t_AVAV
t_RC Address Valid to Next Address Valid
t_AVQV
t_ACC Address Valid to Output Valid
t_ELQX ⁽¹⁾
t_LZ
Chip Enable Low to Output
Transition
t_ELQV
t_GLQX ⁽¹⁾
t_CE Chip Enable Low to Output Valid
t_OLZ
Output Enable Low to Output
Transition
t_GLQV
t_OE Output Enable Low to Output Valid
t_EHQZ ⁽¹⁾
t_HZ Chip Enable High to Output Hi-Z
t_GHQZ ⁽¹⁾
t_DF Output Enable High to Output Hi-Z
t_EHQX
t_GHQX
t_AXQX
Chip Enable, Output Enable or
t_OH Address Transition to Output
Transition
Note: 1. Sampled only, not 100% tested.
E = V_IL,
G = V_IL
E = V_IL,
G = V_IL
G = V_IL
G = V_IL
E = V_IL
E = V_IL
G = V_IL
E = V_IL
Min
Max
Min
Max
Min
Max
Max
Max
Min
M29F040B
Unit
45
55 70 / 90
45
55
70
ns
45
55
70
ns
0
0
0
ns
45
55
70
ns
0
0
0
ns
25
30
30
ns
15
18
20
ns
15
18
20
ns
0
0
0
ns
Figure 8. Read Mode AC Waveforms
A0-A18
E
G
DQ0-DQ7
tAVQV
tAVAV
VALID
tELQV
tELQX
tGLQX
tGLQV
tAXQX
tEHQZ
tEHQX
tGHQX
tGHQZ
VALID
AI02903
13/20