參數(shù)資料
型號(hào): AS7C256A-10TCN
廠商: ALLIANCE MEMORY INC
元件分類(lèi): SRAM
英文描述: IC,AS7C256A-10TCN,TSOP-28 ASY SRAM,10NS,32K X 8,5V
中文描述: 32K X 8 STANDARD SRAM, 10 ns, PDSO28
封裝: 8 X 13.4 MM, LEAD FREE, TSOP1-28
文件頁(yè)數(shù): 4/9頁(yè)
文件大小: 248K
代理商: AS7C256A-10TCN
AS7C256A
9/24/04; v.1.2
Alliance Semiconductor
P. 4 of 9
Read cycle (over the operating range)2,8
Key to switching waveforms
Read waveform 1 (address controlled)2,5,6,8
Read waveform 2 (CE controlled)2,5,7,8
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
2
Chip enable (CE) access time
tACE
10
12
15
20
ns
2
Output enable (OE) access time
tOE
–5–6–7–
8
ns
Output hold from address change
tOH
3–3–3–3
ns
4
CE LOW to output in low Z
tCLZ
3–3–3–3
ns
3,4
CE HIGH to output in high Z
tCHZ
–3–3–4–
5
ns
3,4
OE LOW to output in low Z
tOLZ
0–0–0–0
ns
3,4
OE HIGH to output in high Z
tOHZ
–3–3–4–
5
ns
3,4
Power up time
tPU
0–0–0–0
ns
3,4
Power down time
tPD
10
12
15
20
ns
3,4
Undefined output/don’t care
Falling input
Rising input
Address
Dout
Data valid
tOH
tAA
tRC
Supply
current
CE
OE
Dout
tRC1
tOE
tOLZ
tACE
tCHZ
tCLZ
tPU
tPD
ICC
ISB
50%
tOHZ
Data valid
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