參數(shù)資料
型號(hào): AS7C31024B-12TCN
廠商: ALLIANCE MEMORY INC
元件分類: SRAM
英文描述: IC,AS7C31024B-12TCN,TSOP-32 I, SRAM,12NS,128K X 8,3.3V
中文描述: 128K X 8 STANDARD SRAM, 12 ns, PDSO32
封裝: 8 X 20 MM, LEAD FREE, TSOP1-32
文件頁(yè)數(shù): 4/9頁(yè)
文件大?。?/td> 120K
代理商: AS7C31024B-12TCN
AS7C31024B
3/24/04, v.1.2
Alliance Semiconductor
P. 4 of 9
Key to switching waveforms
Read waveform 1 (address controlled)3,6,7,9,12
Read waveform 2 (CE1, CE2, and OE controlled)3,6,8,9,12
Read cycle (over the operating range)3,9,12
Parameter
Symbol
-10
-12
-15
-20
Unit
Notes
Min
Max
Min
Max
Min
Max
Min
Max
Read cycle time
tRC
10
12–
15
–20
ns
Address access time
tAA
10
12
15
20
ns
3
Chip enable (CE1) access time
tACE1
10
12
15
20
ns
3, 12
Chip enable (CE2) access time
tACE2
10
12
15
20
ns
3, 12
Output enable (OE) access time
tOE
–5–6
–7–8
ns
Output hold from address change
tOH
3–3–
3–3
ns
5
CE1 low to output in low Z
tCLZ1
3–3–
3–3
ns
4, 5, 12
CE2 high to output in low Z
tCLZ2
3–3–
3–3
ns
4, 5, 12
CE1 high to output in high Z
tCHZ1
–3–3
–4
5
ns
4, 5, 12
CE2 low to output in high Z
tCHZ2
–3–3
–4
5
ns
4, 5, 12
OE low to output in low Z
tOLZ
0–0–
ns
4, 5
OE high to output in high Z
tOHZ
–5–6
–7–8
ns
4, 5
Power up time
tPU
0–0–
ns
4, 5, 12
Power down time
tPD
10
12
15
20
ns
4, 5, 12
Undefined / don’t care
Falling input
Rising input
Address
DOUT
Data valid
tOH
tAA
tRC
Supply
current
CE2
OE
DOUT
tOE
tOLZ
tACE1, tACE2
tCHZ1, tCHZ2
tCLZ1, tCLZ2
tPU
tPD
ICC
ISB
50%
Data valid
tRC1
CE1
tOHZ
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