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AS7C3128PFS32/36A-3.8TQC PDF预览

AS7C3128PFS32/36A-3.8TQC

更新时间: 2024-01-21 07:50:31
品牌 Logo 应用领域
ALSC 静态存储器
页数 文件大小 规格书
9页 257K
描述
SRAM

AS7C3128PFS32/36A-3.8TQC 数据手册

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High-performance  
4Mb synchronous  
CMOS SRAM  
AS7C3128PFS32/ 36A  
®
128K × 32/ 36 synchronous SRAM  
Advance information  
Features  
Byte write enables  
• Organization: 131,072 words × 32 or 36 bits  
Fast clock speeds to 166 MHz in LVTTL/ LVCMOS  
Fast clock to data access: 3.5/ 3.8/ 4/ 5 ns  
Fast OEaccess time: 3.5/ 3.5/ 3.8/ 4 ns  
Fully synchronous register-to-register operation  
Single register ‘flow-through’ mode  
Clock enable for operation hold  
• Multiple chip enables for easy expansion  
• 3.3 core power supply  
• 2.5V or 3.3V I/ O operation with separate V  
DDQ  
Automatic power down: 10 mW typical standby power  
• NTD™ pipeline architecture available  
(AS7C3128KNTD32/ 36)  
Single cycle de-select  
• Pentium® compatible architecture and timing  
Synchronous and asynchronous output enable control  
Economical 100-pin TQFP package  
Logic block diagram  
Pin arrangement  
lbo  
clk  
adv  
clk  
ce  
clr  
burst logic  
adsc  
adsp  
128k×32/ 36  
memory  
17  
15  
17  
17  
d
ce  
clk  
q
a[16:0]  
array  
address  
register  
DQPb/ NC  
DQb  
DQPc/ NC  
DQc  
1
80  
79  
78  
77  
76  
75  
74  
73  
72  
71  
70  
69  
68  
67  
66  
65  
64  
63  
62  
61  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
2
DQb  
DQc  
3
36  
36  
gwe  
bwe  
V
V
4
DDQ  
DDQ  
d
q
q
q
q
V
V
5
dqd  
SSQ  
SSQ  
bw  
d
DQb  
DQb  
DQb  
DQb  
DQc  
DQc  
DQc  
DQc  
6
byte write  
registers  
clk  
7
8
9
d
dqc  
V
V
10  
11  
bw  
c
SSQ  
SSQ  
DDQ  
byte write  
registers  
V
V
DDQ  
DQb  
DQb  
DQc 12  
DQc 13  
FT 14  
TQFP 14x20mm  
clk  
d
V
SS  
dqb  
bw  
b
V
V
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
DD  
DD  
byte write  
registers  
clk  
V
V
DD  
DD  
V
ZZ  
SS  
DQa  
DQa  
DQd  
d
DQd  
dqa  
byte write  
registers  
bw  
a
4
V
V
DDQ  
DDQ  
V
V
SSQ  
SSQ  
clk  
d
DQa  
DQa  
DQa  
DQa  
DQd  
DQd  
DQd  
DQd  
ce0  
ce1  
ce2  
q
q
oe  
output  
registers  
le  
enable  
input  
registers  
clk  
register  
V
V
SSQ  
SSQ  
ce  
V
V
DDQ  
clk  
DDQ  
clk  
DQa  
DQd  
DQa  
DQd  
d
enable  
delay  
DQPa/ NC  
DQPd/ NC 30  
power  
down  
zz  
oe  
register  
clk  
36  
ft  
data [35:0]  
Note: Pins 1,30,51,80 are NC for ×32  
Selection guide  
AS7C3128PFS32/ 36A AS7C3128PFS32/ 36A AS7C3128PFS32/ 36A AS7C3128PFS32/ 36A  
3.5  
6
166.7  
-3.8  
6.7  
150  
-4  
7.5  
133.3  
-5  
10  
100  
Units  
ns  
MHz  
Minimum cycle time  
Maximum clock frequency  
Maximum pipelined clock access  
time  
3.5  
3.8  
4
5
ns  
Maximum operating current  
Maximum standby current  
Maximum CMOS standby current  
(DC)  
350  
60  
325  
60  
300  
60  
250  
60  
mA  
mA  
5
5
5
5
mA  
6/ 8/ 00  
ALLIANCE SEMICONDUCTOR  
1
Copyright ©2000 Alliance Semiconductor. All rights reserved.  

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