E S I
E S I
Excel Semiconductor inc.
AC CHARACTERISTICS
Table 13. Read-Only Operations
Parameter
Speed
Unit
Description
Test Setup
Options
JEDEC Std.
70
90
tAVAV
tRC
tACC
tCE
tOE
tDF
Read Cycle Time(Note 1)
Min
70
70
70
35
90 ns
tAVQV
tELQV
tGLQV
tEHQZ
tGHQZ
tAXQX
Address to Output Delay
CE#,OE#=VIL
OE#=VIL
Max
Max
Max
Max
Max
Min
90 ns
90 ns
40 ns
ns
Chip Enable to Output Delay
Output Enable to Output Delay
Chip Enable to Output High Z (Note 1)
Output Enable to Output High Z (Note 1)
16
16
0
tDF
ns
tOH
Output Hold Time From Addresses, CE# or OE#,
Whichever Occurs First
ns
tOEH
Output Enable Hold
Time (Note 1)
Read
Min
Min
0
ns
ns
Toggle and Data# Polling
10
Note : 1. Not 100% tested
tRC
Address
Address Stable
tACC
CE#
OE#
WE#
tRH
tDF
tRH
tOE
tOEH
tCE
tOH
High-Z
High-Z
OUTPUTS
Output Valid
RESET#
RY/BY#
0V
Figure 16. Read Operation Timings
33
Rev. 0B January 5 , 2006
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