M50FW002 Datasheet, PDF (28/39 Pages) STMicroelectronics – 2 Mbit 256Kb x8, Boot Block 3V Supply Firmware Hub Flash Memory

M50FW002
Table 24. Read AC Characteristics (A/A Mux Interface)
Symbol
Parameter
Test Condition
t_AVAV Read Cycle Time
Min
t_AVCL Row Address Valid to RC Low
Min
t_CLAX RC Low to Row Address Transition
Min
t_AVCH Column Address Valid to RC high
Min
t_CHAX RC High to Column Address Transition
Min
t_CHQV(1) RC High to Output Valid
Max
t_GLQV(1) Output Enable Low to Output Valid
Max
t_PHAV RP High to Row Address Valid
Min
t_GLQX Output Enable Low to Output Transition
Min
t_GHQZ Output Enable High to Output Hi-Z
Max
t_GHQX Output Hold from Output Enable High
Min
Note: 1. G may be delayed up to tCHQV – tGLQV after the rising edge of RC without impact on tCHQV.
Value
250
50
50
50
50
150
50
1
0
50
0
Unit
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
Figure 12. Read AC Waveforms (A/A Mux Interface)
A0-A10
RC
G
DQ0-DQ7
tAVAV
ROW ADDR VALID COLUMN ADDR VALID
tAVCL
tCLAX
tAVCH
tCHAX
tCHQV
tGLQV
tGLQX
NEXT ADDR VALID
tGHQZ
tGHQX
VALID
W
tPHAV
RP
AI03406
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