CY7C199CNL-15VXC Cypress Semiconductor Corp, CY7C199CNL-15VXC Datasheet

IC SRAM 256KBIT 15NS 28SOJ

CY7C199CNL-15VXC

Manufacturer Part Number
CY7C199CNL-15VXC
Description
IC SRAM 256KBIT 15NS 28SOJ
Manufacturer
Cypress Semiconductor Corp
Datasheet

Specifications of CY7C199CNL-15VXC

Format - Memory
RAM
Memory Type
SRAM - Asynchronous
Memory Size
256K (32K x 8)
Speed
15ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
28-SOJ
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Cypress Semiconductor Corporation
Document #: 001-06435 Rev. *B
Features
Logic Block Diagram
Product Portfolio
Note
Maximum Access Time
Maximum Operating Current
Maximum CMOS Standby Current
(low power)
1. For best practices recommendations, refer to the Cypress application note System Design Guidelines on www.cypress.com.
• Fast access time: 12 ns, 15 ns, 20 ns, and 25 ns
• Wide voltage range: 5.0V ± 10% (4.5V to 5.5V)
• CMOS for optimum speed and power
• TTL-compatible inputs and outputs
• 2.0V data retention
• Low CMOS standby power
• Automated power down when deselected
• Available in Pb-free 28-pin TSOP I, 28-pin Molded SOJ and
28-pin DIP packages
Column Decoder
RAM Array
Input Buffer
–12
500
12
85
198 Champion Court
General Description
The CY7C199CN is a high performance CMOS Asynchronous
SRAM organized as 32K by 8 bits that supports an
asynchronous memory interface. The device features an
automatic
consumption when deselected.
See the
complete description of read and write modes.
The CY7C199CN is available in Pb-free 28-pin TSOP I, 28-pin
Molded SOJ and 28-pin DIP package(s).
–15
500
15
80
Power
Circuit
Down
256K (32K x 8) Static RAM
“Truth Table” on page 3
San Jose
power
X
,
down
–20
500
CA 95134-1709
20
75
[1]
A
feature
OE
X
I/Ox
CE
WE
in this data sheet for a
Revised March 08, 2007
that
CY7C199CN
–25
500
25
75
reduces
408-943-2600
power
Unit
mA
µA
ns

Related parts for CY7C199CNL-15VXC

CY7C199CNL-15VXC Summary of contents

Page 1

... Maximum Operating Current Maximum CMOS Standby Current (low power) Note 1. For best practices recommendations, refer to the Cypress application note System Design Guidelines on www.cypress.com. Cypress Semiconductor Corporation Document #: 001-06435 Rev. *B 256K (32K x 8) Static RAM General Description The CY7C199CN is a high performance CMOS Asynchronous SRAM organized as 32K by 8 bits that supports an asynchronous memory interface ...

Page 2

Pin Layout and Specifications 28 DIP ...

Page 3

Pin Description Pin Type Description A Input Address Inputs X CE Control Chip Enable IO Input or Output Data Input Outputs X OE Control Output Enable V Supply Power (5.0V Supply Ground SS WE Control Write Enable Truth ...

Page 4

DC Electrical Characteristics Over the Operating Range (–12, –15) Parameter Description V Input HIGH Voltage IH V Input LOW Voltage IL V Output HIGH Voltage Output LOW Voltage Operating Supply ...

Page 5

Capacitance [3] Parameter Description C Input Capacitance IN C Output Capacitance OUT Thermal Resistance [3] Parameter Description Θ Thermal Resistance JA (junction to ambient) Θ Thermal Resistance JC (junction to case) AC Test Loads ...

Page 6

... HZWE 7. The internal memory write time is defined by the overlap of CE LOW and WE LOW. CE and WE must be LOW to initiate a write, and the transition of any of these signals can terminate the write. The input data setup and hold timing must be referenced to the leading edge of the signal that terminates the write. ...

Page 7

Timing Waveforms Data Retention Waveform CDR CE [9, 10] Read Cycle 1 Address Data Out Previous Data Valid [11, 12] Read Cycle 2 Address CE OE High Z Data Out Current ...

Page 8

Timing Waveforms (continued) [13, 14, 15] Write Cycle 1 (WE controlled) Address HZOE Undefined Data In/Out see footnotes [14, 16, 17] Write Cycle 2 (CE controlled) Address CE WE High Z Data In/Out Notes ...

Page 9

Timing Waveforms (continued) Write Cycle 3 (WE controlled, OE low) Address Data Undefined In Out see footnotes Note 18. The cycle is WE controlled, OE LOW. The minimum write cycle time is the sum of t ...

Page 10

... CY7C199CN–15VXC 51-85031 CY7C199CN–15ZC 51-85071 CY7C199CN–15ZXC 51-85071 CY7C199CN–15VI 51-85031 CY7C199CNL–15VC 51-85031 CY7C199CNL–15VXC 51-85031 CY7C199CNL–15ZXC 51-85071 CY7C199CNL–15VXI 51-85031 20 CY7C199CN–20VC 51-85031 CY7C199CN–20ZI 51-85071 CY7C199CN–20ZXI 51-85071 25 CY7C199CN–25PC 51-85014 CY7C199CN–25PXC 51-85014 Document #: 001-06435 Rev. *B ...

Page 11

Package Diagrams Document #: 001-06435 Rev. *B Figure 1. 28-pin TSOP 13.4 mm), 51-85071 CY7C199CN 51-85071-*G Page ...

Page 12

Package Diagrams (continued) NOTE : 1. JEDEC STD REF MO088 2. BODY LENGTH DIMENSION DOES NOT INCLUDE MOLD PROTRUSION/END FLASH MOLD PROTRUSION/END FLASH SHALL NOT EXCEED 0.006 in (0.152 mm) PER SIDE MIN. 3. DIMENSIONS IN INCHES MAX ...

Page 13

... Document #: 001-06435 Rev. *B © Cypress Semiconductor Corporation, 2006-2007. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress ...

Page 14

Document History Page Document Title: CY7C199CN, 256K (32K x 8) Static RAM Document Number: 001-06435 Issue REV. ECN No. Date ** 430363 See ECN *A 684342 See ECN *B 839904 See ECN Document #: 001-06435 Rev. *B Orig. of Description ...

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