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AS7C25512PFS32A
AS7C25512PFS36A
12/23/04, v. 2.2
Alliance Semiconductor
16 of 19
AC test conditions
Output load: For t
LZC
, t
LZOE
, t
HZOE
, t
HZC
, see Figure C. For all others, see Figure B.
Notes
1
2
3
4
5
6
For test conditions, see “AC test conditions”, Figures A, B, and C.
This parameter is measured with output load condition in Figure C.
This parameter is sampled but not 100% tested.
t
HZOE
is less than t
LZOE
, and t
HZC
is less than t
LZC
at any given temperature and voltage.
t
CH
is measured as high if above VIH, and t
CL
is measured as low if below VIL.
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 for all rising edges of CLK when chip is enabled.
Write refers to
GWE
,
BWE
, and
BW[a:d].
Chip select refers to
CE0
,
CE1
, and
CE2
.
7
8
Z
0
= 50
D
OUT
50
Figure B: Output load (A)
30 pF*
Figure A: Input waveform
10%
90%
GND
90%
10%
+2.5V
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.
V
L
= V
DDQ
/2
Thevenin equivalent:
353
/1538
5 pF*
319
/1667
D
OUT
GND
Figure C: Output load(B)
*including scope
and jig capacitance
+2.5V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS7C25512PFS36A-133TQI | 2.5V 512K x 32/36 pipelined burst synchronous SRAM |
| AS7C25512PFS32A-133TQC | 2.5V 512K x 32/36 pipelined burst synchronous SRAM |
| AS7C25512PFS32A-133TQCN | 2.5V 512K x 32/36 pipelined burst synchronous SRAM |
| AS7C25512PFS36A-133TQC | 2.5V 512K x 32/36 pipelined burst synchronous SRAM |
| AS7C25512PFS36A-133TQCN | 2.5V 512K x 32/36 pipelined burst synchronous SRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS7C25512PFS32A-133TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 pipelined burst synchronous SRAM |
| AS7C25512PFS32A-133TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 pipelined burst synchronous SRAM |
| AS7C25512PFS32A-133TQI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 pipelined burst synchronous SRAM |
| AS7C25512PFS32A-133TQIN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 pipelined burst synchronous SRAM |
| AS7C25512PFS32A-166TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512K x 32/36 pipelined burst synchronous SRAM |
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