參數(shù)資料
型號(hào)： CY7C164-15PC
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： SRAM
英文描述： 16K x 4 Static RAM
中文描述： 16K X 4 STANDARD SRAM, 15 ns, PDIP22
封裝： 0.300 INCH, PLASTIC, DIP-22
文件頁(yè)數(shù)： 1/9頁(yè)
文件大?。?/td> 254K
代理商： CY7C164-15PC
16K x 4 Static RAM
CY7C164
CY7C166
Cypress Semiconductor Corporation
198 Champion Court
San Jose
, CA 95134-1709
408-943-2600
Document #: 38-05025 Rev. *A
Revised August 3, 2006
Features
High speed
—15 ns
Output enable (OE) feature (CY7C166)
CMOS for optimum speed/power
Low active power
—633 mW
Low standby power
—110 mW
TTL-compatible inputs and outputs
Automatic power-down when deselected
CY7C164 is available in non Pb-free 22-pin (300-Mil)
Molded DIP, CY7C166 in non Pb-free 24-pin Molded SOJ
Functional Description
The CY7C164 and CY7C166 are high-performance CMOS
static RAMs organized as 16,384 by 4 bits. Easy memory
expansion is provided by an active LOW Chip Enable (CE) and
tri-state drivers. The CY7C166 has an active LOW Output
Enable (OE) feature. Both devices have an automatic power-
down feature, reducing the power consumption by 65% when
deselected.
Writing to the device is accomplished when the Chip Enable
(CE) and Write Enable (WE) inputs are both LOW (and the
Output Enable (OE) is LOW for the CY7C166). Data on the
four input/output pins (I/O0 through I/O3) is written into the
memory location specified on the address pins (A0 through
A13).
Reading the device is accomplished by taking Chip Enable
(CE) LOW (and OE LOW for CY7C166), while Write Enable
(WE) remains HIGH. Under these conditions the contents of
the memory location specified on the address pins will appear
on the four data I/O pins.
The I/O pins stay in a high-impedance state when Chip Enable
(CE) is HIGH (or Output Enable (OE) is HIGH for CY7C166).
A die coat is used to insure alpha immunity.
Logic Block Diagram
ARRAY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
18
17
16
15
19
22
21
20
Top View
DIP
7C164
A1
A2
A3
A4
A5
A6
A7
A8
A
0
A
9
A
11
A
10
A
12
A
13
COLUMN
DECODER
ROW
DECODER
SENSE
AMPS
INPUT BUFFER
POWER
DOWN
WE
(OE)
(7C166 ONLY)
I/O3
CE
I/O2
I/O1
I/O0
A5
A6
A7
A8
A9
A10
A11
A12
A13
CE
GND
WE
VCC
A4
A3
A2
A1
I/O3
I/O2
I/O1
I/O0
A0
16K x 4
Pin Configurations
OE
GND
1
2
3
4
5
6
7
8
9
10
11
14
15
16
20
19
18
17
21
24
23
22
Top View
SOJ
7C166
A5
A6
A7
A8
A9
A10
A11
A12
A13
WE
VCC
A4
A3
A2
A1
I/O3
I/O2
I/O1
I/O0
A0
NC
CE
12
13
相關(guān)PDF資料
PDF描述
CY7C164-25PC 16K x 4 Static RAM
CY7C164-15VC 16K x 4 Static RAM
CY7C164-20PC 16K x 4 Static RAM
CY7C164-20VC 16K x 4 Static RAM
CY7C164-25VC 16K x 4 Static RAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY7C164-15VC 制造商:Cypress Semiconductor 功能描述:SRAM ASYNC SGL 5V 64KBIT 16K X 4 15NS 24PIN MLD SOJ - Bulk
CY7C164-20PC 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述:
CY7C16425PC 制造商:CYPRESS 功能描述:*
CY7C164-25PC 制造商:Cypress Semiconductor 功能描述: 制造商:Cypress Semiconductor 功能描述:Static RAM, 16Kx4, 22 Pin, Plastic, DIP
CY7C164-35PC 制造商:Cypress Semiconductor 功能描述:SRAM Chip Async Single 5V 64K-Bit 16K x 4-Bit 35ns 22-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:- Bulk
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