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| 型号： | AS7C3256A-20TIN |
| 厂商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分类： | DRAM |
| 英文描述： | Dual 4-Input Positive-NAND Gate 14-TSSOP -40 to 85 |
| 中文描述： | 32K X 8 STANDARD SRAM, 20 ns, PDSO28 |
| 封装： | 8 X 13.40 MM, LEAD FREE, TSOP1-28 |
| 文件页数： | 6/9页 |
| 文件大小： | 248K |
| 代理商： | AS7C3256A-20TIN |
AS7C3256A
4/23/04; v.2.0
Alliance Semiconductor
P. 6 of 9
AC test conditions
- Output load: see Figure B
- Input pulse level: GND to 3.0V. See Figure A.
- Input rise and fall times: 2 ns. See Figure A.
- Input and output timing reference levels: 1.5V.
Notes
1
2
3
4
5
6
7
8
9
10 N/A
11
12 N/A
13 C=30pF, except on High Z and Low Z parameters, where C=5pF.
During V
CC
power-up, a pull-up resistor to V
CC
on
CE
is required to meet I
SB
specification.
This parameter is sampled, but not 100% tested.
For test conditions, see
AC Test Conditions
, Figures A, B.
These parameters are specified with CL = 5pF, as in Figures B. Transition is measured
±
500mV from steady-state voltage.
This parameter is guaranteed, but not tested.
WE
is High for read cycle.
CE
and
OE
are Low for read cycle.
Address valid prior to or coincident with
CE
transition Low.
All read cycle timings are referenced from the last valid address to the first transitioning address.
All write cycle timings are referenced from the last valid address to the first transitioning address.
350
C
13
320
D
out
GND
+3.3V
168
D
out
+1.72V
Figure B: Output load
Thevenin equivalent
10%
90%
10%
90%
GND
+3.0V
Figure A: Input pulse
2 ns
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相关代理商/技术参数 |
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|---|---|
| AS7C3256A-20TINTR | 功能描述:静态随机存取存储器 256K 3.3V 20ns FAST 32K x 8 Asynch 静态随机存取存储器 RoHS:否 制造商:Cypress Semiconductor 存储容量:16 Mbit 组织:1 M x 16 访问时间:55 ns 电源电压-最大:3.6 V 电源电压-最小:2.2 V 最大工作电流:22 uA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TSOP-48 封装:Tray |
| AS7C3256A-8 | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3.3V 32K X 8 CMOS SRAM (Common I/O) |
| AS7C3256A-8JC | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3.3V 32K X 8 CMOS SRAM (Common I/O) |
| AS7C3256A-8JCN | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3.3V 32K X 8 CMOS SRAM (Common I/O) |
| AS7C3256A-8TC | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:3.3V 32K X 8 CMOS SRAM (Common I/O) |
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