AS7C256-12JI Просмотр технического описания (PDF) - Alliance Semiconductor
Номер в каталоге
Компоненты Описание
производитель
AS7C256-12JI Datasheet PDF : 9 Pages
| |||
Read cycle (over the operating range)
Parameter
Read cycle time
Address access time
Chip enable (CE) access time
Output enable (OE) access time
Output hold from address change
CE LOW to output in low Z
CE HIGH to output in high Z
OE LOW to output in low Z
OE HIGH to output in high Z
Power up time
Power down time
Symbol
tRC
tAA
tACE
tOE
tOH
tCLZ
tCHZ
tOLZ
tOHZ
tPU
tPD
®
-12
Min
Max
12
–
–
12
–
12
–
6
3
–
3
–
–
3
0
–
–
3
0
–
–
12
-15
Min Max
15
–
–
15
–
15
–
7
3
–
3
–
–
4
0
–
–
4
0
–
–
15
-20
Min Max
20
–
–
20
–
20
–
8
3
–
3
–
–
5
0
–
–
5
0
–
–
20
AS7C256
AS7C3256
Unit Notes
ns
ns
3
ns
3
ns
ns
5
ns 4, 5
ns 4, 5
ns 4, 5
ns 4, 5
ns 4, 5
ns 4, 5
Key to switching waveforms
5LVLQJ LQSXW
)DOOLQJ LQSXW
8QGHILQHG RXWSXWGRQ¶W FDUH
Read waveform 1 (address controlled)
t5&
Address
W$$
DRXW
t2+
Data valid
Read waveform 2 (CE controlled)
t5&
&(
t2(
2(
t2/=
t2+=
t$&(
t&+=
DRXW
Data valid
Supply
current
t&/=
t38
50%
t3'
I&&
50%
I6%
9/18/01; v.1.6
Alliance Semiconductor
P. 4 of 9
Share Link: 