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参数资料
| 型号： | 41C16257 |
| 厂商： | Integrated Silicon Solution, Inc. |
| 英文描述： | 256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| 中文描述： | 256K × 16（4兆位）充满活力和快速页面模式内存 |
| 文件页数： | 14/17页 |
| 文件大小： | 160K |
| 代理商： | 41C16257 |
IS41C16257
IS41LV16257
6
Integrated Silicon Solution, Inc. — 1-800-379-4774
DR004-1B
05/24/99
ISSI
ELECTRICAL CHARACTERISTICS(1) (Recommended Operation Conditions unless otherwise noted.)
Symbol Parameter
Test Condition
Speed
Min.
Max.
Unit
IIL
Input Leakage Current
Any input 0V < VIN < Vcc
–10
10
A
Other inputs not under test = 0V
IIO
Output Leakage Current
Output is disabled (Hi-Z)
–10
10
A
0V < VOUT < Vcc
VOH
Output High Voltage Level
IOH = –2.5 mA
2.4
—
V
VOL
Output Low Voltage Level
IOL = 2.1 mA
—
0.4
V
ICC1
Stand-by Current: TTL
RAS, LCAS, UCAS ≥ VIH
Com.
5V
—
2
mA
Ind.
5V
3
ICC1
Stand-by Current: TTL
RAS, LCAS, UCAS ≥ VIH
Com. 3.3V
—
1
mA
Ind. 3.3V
2
ICC2
Stand-by Current: CMOS
RAS, LCAS, UCAS ≥ VCC – 0.2V
5V
—
2
mA
ICC2
Stand-by Current: CMOS
RAS, LCAS, UCAS ≥ VCC – 0.2V
3.3V
—
1
mA
ICC3
Operating Current:
RAS, LCAS, UCAS,
-35
—
230
mA
Random Read/Write(2,3,4)
Address Cycling, tRC = tRC (min.)
-60
—
170
Average Power Supply Current
ICC4
Operating Current:
RAS = VIL, LCAS, UCAS,
-35
—
220
mA
Fast Page Mode(2,3,4)
Cycling tPC = tPC (min.)
-60
—
160
Average Power Supply Current
ICC5
Refresh Current:
RAS Cycling, LCAS, UCAS ≥ VIH
-35
—
230
mA
RAS-Only(2,3)
tRC = tRC (min.)
-60
—
170
Average Power Supply Current
ICC6
Refresh Current:
RAS, LCAS, UCAS Cycling
-35
—
230
mA
CBR(2,3,5)
tRC = tRC (min.)
-60
—
170
Average Power Supply Current
Notes:
1. An initial pause of 200
s is required after power-up followed by eight RAS refresh cycles (RAS-Only or CBR) before proper device
operation is assured.The eight
RAS cycles wake-up should be repeated any time the tREF refresh requirement is exceeded.
2. Dependent on cycle rates.
3. Specified values are obtained with minimum cycle time and the output open.
4. Column-address is changed once each fast page cycle.
5. Enables on-chip refresh and address counters.
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