LH5164A 데이터 시트보기 (PDF) - Sharp Electronics
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LH5164A Datasheet PDF : 12 Pages
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LH5164A/AH
CMOS 64K (8K × 8) Static RAM
AC CHARACTERISTICS 1
(1) READ CYCLE (VCC = 5 V ±10%)
PARAMETER
SYMBOL
80 ns
MIN.
MAX.
Read cycle time
tRC
80
Address access time
tAA
80
Chip enable
(CE1)
tACE1
80
access time
(CE2)
tACE2
80
Output enable access time
tOE
40
Output hold time
tOH
10
Chip enable to
(CE1)
tLZ1
10
output in Low-Z
(CE2)
tLZ2
10
Output enable to output in
Low-Z
tOLZ
5
Chip enable to
(CE1)
tHZ1
0
30
output in High-Z
(CE2)
tHZ2
0
30
Output disable to output in
High-Z
tOHZ
0
20
100 ns
MIN.
MAX.
100
100
100
100
40
10
10
10
5
0
30
0
30
0
20
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTE
1
1
1
1
1
1
(2) WRITE CYCLE (VCC = 5 V ±10%)
PARAMETER
SYMBOL
80 ns
MIN.
MAX.
100 ns
MIN.
MAX.
Write cycle time
tWC
80
100
Chip enable to end of write
tCW
70
80
Address valid to end of write
tAW
70
80
Address setup time
tAS
0
0
Write pulse width
tWP
60
60
Write recovery time
tWR
0
0
Data valid to end of write
tDW
40
40
Data hold time
tDH
0
0
Output active from end of write
tOW
10
10
WE to output in High-Z
tWZ
0
30
0
30
OE to output in High-Z
tOHZ
0
20
0
20
NOTES:
1. TA = -10 to +70°C (LH5164A/AD/AN/AT), TA = -40 to +85°C (LH5164AH/AHD/AHN/AHT)
2. Active output to high-impedance and high-impedance to output active tests specified for a ±200 mV transition
from steady state levels into the test load.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC TEST CONDITIONS
PARAMETER
MODE
Input voltage amplitude
0.6 to 2.4 V
Input rise/fall time
10 ns
Timing reference level
1.5 V
Output load conditions
1TTL + CL (100 pF)
NOTE:
1. Includes scope and jig capacitance.
NOTE
1
NOTE
2
2
2
4
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