PDM41256SA8T 查看數據表（PDF） - Paradigm Technology
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PDM41256SA8T Datasheet PDF : 8 Pages
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PDM41256
Read Cycle No. 1(1)
t RC
1
ADDR
tAA
t OH
DOUT PREVIOUS DATA VALID
DATA VALID
2
Read Cycle No. 2(2)
ADDR
CE
OE
DOUT
tRC
tAA
tACE
tLZCE
tLZOE
tAOE
tHZCE
tHZOE
DATA VALID
AC Electrical Characteristics
Description
--7(6)
--8(6)
-10(6)
-12
-15
READ Cycle
Sym Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Units
READ cycle time
tRC
7
8
10
12
15
ns
Address access time
tAA
7
8
10
12
15 ns
Chip enable access time
tACE
7
8
10
12
15 ns
Output hold from address change
Chip enable to output in low Z(3, 4, 5)
Chip disable to output in high Z(3, 4, 5)
Chip enable to power up time(4)
Chip disable to power down time(4)
tOH
3
tLZCE 5
tHZCE
5
tPU
0
tPD
7
3
3
3
3
ns
5
5
5
5
ns
6
6
6
6 ns
0
0
0
0
ns
8
10
12
15 ns
Output enable access time
tAOE
5
5
5
6
8 ns
Output enable to output in low Z(4, 5)
tLZOE 0
0
0
0
0
ns
Output disable to output in high Z(4, 5)
tHZOE
5
6
6
6
6 ns
SHADED AREA = PRELIMINARY DATA.
Notes referenced are after Data Retention Table.
3
4
5
6
7
8
9
10
11
12
Rev. 4.4 - 4/29/98
5
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