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CY7C1046D PDF даташит

Спецификация CY7C1046D изготовлена ​​​​«Cypress Semiconductor» и имеет функцию, называемую «4-Mbit (1 M x 4) Static RAM».

Детали детали

Номер произв CY7C1046D
Описание 4-Mbit (1 M x 4) Static RAM
Производители Cypress Semiconductor
логотип Cypress Semiconductor логотип 

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CY7C1046D Даташит, Описание, Даташиты
CY7C1046D
4-Mbit (1 M × 4) Static RAM
4-Mbit (1 M × 4) Static RAM
Features
Pin- and function-compatible with CY7C1046B
High speed
tAA = 10 ns
CMOS for optimum speed and power
Low active power
ICC = 90 mA at 10 ns
Low CMOS standby power
ISB2 = 10 mA
Data retention at 2.0 V
Automatic power-down when deselected
TTL-compatible inputs and outputs
Easy memory expansion with CE and OE features
Available in lead-free 400-mil-wide 32-pin SOJ package
Functional Description
The CY7C1046D is a high-performance CMOS static RAM
organized as 1M words by 4 bits. Easy memory expansion is
provided by an active LOW Chip Enable (CE), an active LOW
Output Enable (OE), and tri-state drivers. Writing to the device is
accomplished by taking Chip Enable (CE) and Write Enable
(WE) inputs LOW. Data on the four I/O pins (I/O0 through I/O3)
is then written into the location specified on the address pins (A0
through A19).
Reading from the device is accomplished by taking Chip Enable
(CE) and Output Enable (OE) LOW while forcing Write Enable
(WE) HIGH. Under these conditions, the contents of the memory
location specified by the address pins will appear on the I/O pins.
The four input/output pins (I/O0 through I/O3) are placed in a
high-impedance state when the device is deselected (CE HIGH),
the outputs are disabled (OE HIGH), or during a write operation
(CE LOW, and WE LOW).
The CY7C1046D is available in a standard 400-mil-wide 32-pin
SOJ package with center power and ground (revolutionary)
pinout.
The CY7C1046D device is suitable for interfacing with
processors that have TTL I/P levels. It is not suitable for
processors that require CMOS I/P levels. Please see Electrical
Characteristics on page 4 for more details and suggested
alternatives.
For a complete list of related documentation, click here.
Logic Block Diagram
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
CE
WE
OE
INPUT BUFFER
1M x 4
COLUMN
DECODER
POWER
DOWN
I/O0
I/O1
I/O2
I/O3
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 38-05705 Rev. *G
• San Jose, CA 95134-1709 • 408-943-2600
Revised November 20, 2014









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CY7C1046D Даташит, Описание, Даташиты
CY7C1046D
Contents
Selection Guide ................................................................ 3
Pin Configuration ............................................................. 3
Maximum Ratings ............................................................. 4
Operating Range ............................................................... 4
Electrical Characteristics ................................................. 4
Capacitance ...................................................................... 5
Thermal Resistance .......................................................... 5
AC Test Loads and Waveforms ....................................... 5
Data Retention Characteristics ....................................... 6
Data Retention Waveform ................................................ 6
Switching Characteristics ................................................ 7
Switching Waveforms ...................................................... 8
Truth Table ...................................................................... 11
Ordering Information ...................................................... 12
Ordering Code Definitions ......................................... 12
Package Diagrams .......................................................... 13
Acronyms ........................................................................ 14
Document Conventions ................................................. 14
Units of Measure ....................................................... 14
Document History Page ................................................. 15
Sales, Solutions, and Legal Information ...................... 16
Worldwide Sales and Design Support ....................... 16
Products .................................................................... 16
PSoC® Solutions ...................................................... 16
Cypress Developer Community ................................. 16
Technical Support ..................................................... 16
Document Number: 38-05705 Rev. *G
Page 2 of 16









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CY7C1046D Даташит, Описание, Даташиты
Selection Guide
Description
Maximum Access Time
Maximum Operating Current
Maximum CMOS Standby Current (mA)
–10
10
90
10
Pin Configuration
Figure 1. 32-pin SOJ pinout (Top View)
A0
A1
A2
A3
A4
CE
I/O0
VCC
GND
I/O1
WE
A5
A6
A7
A8
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 A19
31 A18
30 A17
29 A16
28 A15
27 OE
26 I/O3
25 GND
24 VCC
23 I/O2
22 A14
21 A13
20 A12
19 A11
18 A10
17 NC
CY7C1046D
Unit
ns
mA
mA
Document Number: 38-05705 Rev. *G
Page 3 of 16










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