AS7C31024B-20JCN Просмотр технического описания (PDF) - Alliance Semiconductor
Номер в каталоге
Компоненты Описание
производитель
AS7C31024B-20JCN Datasheet PDF : 9 Pages
| |||
AS7C31024B
®
Read cycle (over the operating range)3,9,12
-10
Parameter
Symbol Min Max
Read cycle time
Address access time
Chip enable (CE1) access time
Chip enable (CE2) access time
Output enable (OE) access time
Output hold from address change
CE1 low to output in low Z
CE2 high to output in low Z
CE1 high to output in high Z
CE2 low 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
tRC 10 –
tAA
– 10
tACE1
–
10
tACE2
–
10
tOE
–
5
tOH
3
–
tCLZ1 3
–
tCLZ2 3
–
tCHZ1 –
3
tCHZ2 –
3
tOLZ
0
–
tOHZ
–
5
tPU
0
–
tPD
– 10
-12
Min Max
12 –
– 12
– 12
– 12
–6
3–
3–
3–
–3
–3
0–
–6
0–
– 12
-15
Min Max
15 –
– 15
– 15
– 15
–7
3–
3–
3–
–4
–4
0–
–7
0–
– 15
-20
Min Max Unit Notes
20
ns
– 20 ns
3
– 20 ns 3, 12
– 20 ns 3, 12
– 8 ns
3
– ns
5
3 – ns 4, 5, 12
3 – ns 4, 5, 12
– 5 ns 4, 5, 12
– 5 ns 4, 5, 12
0 – ns 4, 5
– 8 ns 4, 5
0 – ns 4, 5, 12
– 20 ns 4, 5, 12
Key to switching waveforms
Rising input
Falling input
Undefined / don’t care
Read waveform 1 (address controlled)3,6,7,9,12
tRC
Address
tAA
DOUT
tOH
Data valid
Read waveform 2 (CE1, CE2, and OE controlled)3,6,8,9,12
CE1
tRC1
CE2
tOE
OE
tOLZ
tOHZ
DOUT
tACE1, tACE2
Data valid
tCHZ1, tCHZ2
Supply
current
tCLZ1, tCLZ2
tPU
50%
tPD
ICC
50%
ISB
3/24/04, v.1.2
Alliance Semiconductor
P. 4 of 9
Share Link: 