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参数资料
| 型号： | AS7C25512NTD32A-166TQI |
| 厂商： | INTEGRATED SILICON SOLUTION INC |
| 元件分类： | SRAM |
| 英文描述： | 512K X 32 ZBT SRAM, 3.5 ns, PQFP100 |
| 封装： | 14 X 20 MM, TQFP-100 |
| 文件页数： | 7/18页 |
| 文件大小： | 428K |
| 代理商： | AS7C25512NTD32A-166TQI |
AS7C25512NTD32A/36A
12/23/04, v 2.2
Alliance Semiconductor
P. 15 of 18
AC test conditions
Notes
1) For test conditions, see “AC test conditions”, Figures A, B, and C
2) This parameter measured with output load condition in Figure C.
3) This parameter is sampled, but not 100% tested.
4) tHZOE is less than tLZOE, and tHZC is less than tLZC at any given temperature and voltage.
5) tCH is measured high above VIH, and tCL is measured low below VIL
6) This is a synchronous device. All addresses must meet the specified setup and hold times for all rising edges of CLK. All other synchronous inputs must
meet the setup and hold times with stable logic levels for all rising edges of CLK when chip is enabled.
7) Write refers to R/W and BW[a,b,c,d]
.
8) Chip select refers to CE0, CE1, and CE2.
Output load: For tLZC, tLZOE, tHZOE, and tHZC, see Figure C. For all others, see Figure B.
Input pulse level: GND to 2.5V. See Figure A.
Input rise and fall time (measured at 0.25V and 2.25V): 2 ns. See Figure A.
Input and output timing reference levels: 1.25V.
DOUT
50
Figure B: Output load (A)
30 pF*
Figure A: Input waveform
10%
90%
GND
90%
10%
+2.5V
VL = V
DDQ/2
Thevenin equivalent:
353
/1538
5 pF*
319
/1667
DOUT
GND
Figure C: Output load(B)
*including scope
and jig capacitance
+2.5V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS7C25512NTD32A-166TQIN | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 Pipelined SRAM with NTD |
| AS7C25512NTD36A-133TQC | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 Pipelined SRAM with NTD |
| AS7C25512NTD36A-133TQCN | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 Pipelined SRAM with NTD |
| AS7C25512NTD36A-133TQI | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 Pipelined SRAM with NTD |
| AS7C25512NTD36A-133TQIN | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 Pipelined SRAM with NTD |
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