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參數(shù)資料
| 型號(hào)： | AS7C34098-20JCN |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 5V/3.3V 256K x 16 CMOS SRAM |
| 中文描述： | 256K X 16 STANDARD SRAM, 20 ns, PDSO44 |
| 封裝： | 0.400 INCH, LEAD FREE, SOJ-44 |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大?。?/td> | 235K |
| 代理商： | AS7C34098-20JCN |
AS7C4098
AS7C34098
1/13/05;
v.1.9
Alliance Semiconductor
P. 7 of 10
Write waveform 3
10,11
AC test conditions
- Output load: see Figure B or Figure C.
- 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 CE or WE must be High during address transitions. Either CE or WE asserting high terminates a write cycle.
11
All write cycle timings are referenced from the last valid address to the first transitioning address.
12 Not applicable.
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, C.
t
CLZ
and t
CHZ
are specified with C
L
= 5pF as in Figure C. 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.
Address
CE
LB, UB
WE
Data
IN
t
WC
t
CW
t
BW
t
WP
t
DW
t
DH
t
WZ
t
AH
t
WR
Data
OUT
Data undefined
High Z
High Z
t
AS
t
AW
Data valid
10%
90%
10%
90%
GND
+3.0V
2 ns
Figure A: Input pulse
255
C
13
480
D
OUT
GND
+5V
Figure B: 5V Output load
350
C
13
320
D
OUT
GND
+3.3V
Figure C: 3.3V Output load
168
Thevenin equivalent:D
OUT
+1.728V (5V and 3.3V)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS7C34098-20JI | Octal Buffers/Drivers With 3-State Outputs 20-TVSOP -40 to 85 |
| AS7C34098-20JIN | Octal Buffers/Drivers With 3-State Outputs 20-TVSOP -40 to 85 |
| AS7C34098-20TC | 5V/3.3V 256K x 16 CMOS SRAM |
| AS7C34098-20TCN | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| AS7C34098-20TI | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
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| AS7C34098A-10BIN | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M, 3.3V, 10ns, FAST 256K x 16 Asyn 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| AS7C34098A-10BINTR | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M, 3.3V, 10ns, FAST 256K x 16 Asyn 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| AS7C34098A-10JCN | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M, 3.3V, 10ns, FAST 256K x 16 Asyn 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| AS7C34098A-10JCNTR | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M, 3.3V, 10ns, FAST 256K x 16 Asyn 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| AS7C34098A-10JIN | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M, 3.3V, 10ns, FAST 256K x 16 Asyn 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
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