EDI88128CS17ZI 查看數據表（PDF） - White Electronic Designs Corporation
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EDI88128CS17ZI Datasheet PDF : 9 Pages
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White Electronic Designs
EDI88128CS
AC CHARACTERISTICS – READ CYCLE (15 to 20ns)
VCC = 5.0V, Vss = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
15ns*
17ns
Read Cycle Time
Address Access Time
Chip Enable Access Time
Chip Enable to Output in Low Z (1)
Chip Disable to Output in High Z (1)
Output Hold from Address Change
Output Enable to Output Valid
Output Enable to Output in Low Z (1)
Output Disable to Output in High Z(1)
Chip Enable to Power Up (1)
Chip Enable to Power Down (1)
JEDEC
Alt.
Min
Max
Min
Max
tAVAV
tRC
15
17
tAVQV
tAA
15
17
tELQV
tACS
15
17
tELQX
tCLZ
3
3
tEHQZ
tCHZ
8
8
tAVQX
tOH
0
0
tGLQV
tOE
6
6
tGLQX
tOLZ
0
0
tGHQZ
tOHZ
6
6
tELICCH
tPU
0
0
tEHICCL
tPD
15
17
1. This parameter is guaranteed by design but not tested.
20ns
Min
Max
20
20
20
3
10
0
8
0
8
0
20
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC CHARACTERISTICS – READ CYCLE (25 to 55ns)
VCC = 5.0V, Vss = 0V, -55°C ≤ TA ≤ +125°C
Symbol
25ns
35ns
45ns
Parameter
Read Cycle Time
Address Access Time
Chip Enable Access Time
Chip Enable to Output in Low Z (1)
Chip Disable to Output in High Z (1)
Output Hold from Address Change
Output Enable to Output Valid
Output Enable to Output in Low Z (1)
Output Disable to Output in High Z(1)
Chip Enable to Power Up (1)
Chip Enable to Power Down (1)
JEDEC
Alt.
Min Max Min Max Min Max
tAVAV
tRC
25
35
45
tAVQV
tAA
25
35
45
tELQV
tACS
25
35
45
tELQX
tCLZ
3
3
3
tEHQZ
tCHZ
12
20
20
tAVQX
tOH
0
0
0
tGLQV
tOE
10
15
20
tGLQX
tOLZ
0
0
0
tGHQZ
tOHZ
10
15
20
tELICCH
tPU
0
0
0
tEHICCL
tPD
25
35
45
1. This parameter is guaranteed by design but not tested.
55ns
Min Max
55
55
55
3
20
0
25
0
20
0
55
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC TEST CONDITIONS
Figure 1
Vcc
Figure 2
Vcc
Q
255Ω
480Ω
30pF
Q
255Ω
480Ω
5pF
Input Pulse Levels
VSS to 3.0V
Input Rise and Fall Times
Input and Output Timing Levels
Output Load
5ns
1.5V
Figure 1
NOTE: For tEHQZ, tGHQZ and tWLQZ, CL = 5pF Figure 2
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February 2000
Rev. 10
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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