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參數(shù)資料
型號(hào)： CY7C1512-35SC
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類(lèi)： DRAM
英文描述： 64K x 8 Static RAM
中文描述： 64K X 8 STANDARD SRAM, 35 ns, PDSO32
封裝： 0.450 INCH, PLASTIC, SOIC-32
文件頁(yè)數(shù)： 1/8頁(yè)
文件大小： 193K
代理商： CY7C1512-35SC
PRELIMINARY
64K x 8 Static RAM
CY7C1512
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
June 1996 – Revised October 1996
408-943-2600
1CY7C1512
Features
High speed
—t
AA
= 15 ns
CMOS for optimum speed/power
Low active power
—770 mW
Low standby power
—28 mW
Automatic power-down when deselected
TTL-compatible inputs and outputs
Easy memory expansion with CE
1
, CE
2
, and OE options
Functional Description
The CY7C1512 is a high-performance CMOS static RAM or-
ganized as 65,536 words by 8 bits. Easy memory expansion
is provided by an active LOW chip enable (CE
1
), an active
HIGH chip enable (CE
2
), an active LOW output enable (OE),
and three-state drivers. This device has an automatic pow-
er-down feature that reduces power consumption by more
than 75% when deselected.
Writing to the device is accomplished by taking chip enable
one (CE
1
) and write enable (WE) inputs LOW and chip enable
two (CE
2
) input HIGH. Data on the eight I/O pins (I/O
0
through
I/O
7
) is then written into the location specified on the address
pins (A
0
through A
15
).
Reading from the device is accomplished by taking chip en-
able one (CE
1
) and output enable (OE) LOW while forcing
write enable (WE) and chip enable two (CE
2
) HIGH. Under
these conditions, the contents of the memory location speci-
fied by the address pins will appear on the I/O pins.
The eight input/output pins (I/O
0
through I/O
7
) are placed in a
high-impedance state when the device is deselected (CE
1
HIGH or CE
2
LOW), the outputs are disabled (OE HIGH), or
during a write operation (CE
1
LOW, CE
2
HIGH, and WE LOW).
The CY7C1512 is available in standard TSOP type I and
450-mil-wide plastic SOIC packages.
Logic BlockDiagram
Pin Configurations
SOIC
A
1
A
2
A
3
A
4
A
5
A
6
A
7
COLUMN
DECODER
INPUT BUFFER
POWER
DOWN
WE
OE
I/O
0
CE
2
I/O
1
I/O
2
I/O
3
64K x 8
ARRAY
I/O
7
I/O
6
I/O
5
I/O
4
A
0
CE
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
19
18
20
24
23
22
21
25
28
27
26
Top View
29
32
31
30
16
17
GND
NC
A
14
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
WE
A
13
A
8
A
9
A
11
V
CC
A
15
CE
2
I/O
7
I/O
6
I/O
5
I/O
4
I/O
3
1512-1
NC
I/O
0
I/O
1
I/O
2
CE
1
OE
A
10
1512-2
A
6
A
5
A
7
A
14
A
12
WE
CE
2
A
15
V
NC
NC
A
4
A
13
A
8
A
9
OE
A
10
(not to scale)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
I/O
2
I/O
1
I/O
0
A
0
GND
I/O
7
I/O
6
I/O
4
I/O
3
I/O
5
CE
1
A
11
17
A
1
A
2
A
3
TSOP I
Top View
Selection Guide
7C1512-15
15
140
7C1512-20
20
130
7C1512-25
25
120
7C1512-35
35
110
7C1512-70
70
110
Maximum Access Time (ns)
Maximum Operating
Current (mA)
Maximum CMOS
Standby Current (mA)
Commercial
Commercial
5
5
5
5
5
相關(guān)PDF資料
PDF描述
CY7C1512-70SC CAPACITOR, COG MONOLITHIC CERAMIC ,0.0022 ?F 50 V ,0.05 ,RADIAL LEAD
CY7C1512-70ZC 64K x 8 Static RAM
CY7C1512-70ZI 64K x 8 Static RAM
CY7C1512 16-Bit Bidirectional Transceiver w/ Dual Resistors
CY7C1527AV18 72-Mbit DDR-II SRAM 2-Word Burst Architecture(2-Word脈沖結(jié)構(gòu)，72-Mbit DDR-II SRAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY7C1512-70ZI 制造商:Rochester Electronics LLC 功能描述:- Bulk
CY7C1512AV18-167BZC 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4Mx18 72M QDR II Burst 2 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
CY7C1512AV18-167BZI 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4Mx18 72M QDR II Burst 2 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
CY7C1512AV18-167BZXC 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4Mx18 72M QDR II Burst 2 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
CY7C1512AV18-167BZXI 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4Mx18 72M QDR II Burst 2 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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