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Cypress Semiconductor Electronic Components Datasheet

CYDMX256B16 Datasheet

16 K/8 K/4 K x 16 MoBL ADM 16 K/8 K/4 K x 16 MoBL ADM

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CYDMX256B16 pdf
CYDMX256A16, CYDMX256B16
CYDMX128A16, CYDMX128B16
CYDMX064A16, CYDMX064B16
16 K/8 K/4 K × 16 MoBL® ADM
Asynchronous Dual-Port Static RAM
16 K/8 K/4 K × 16 MoBL® ADM Asynchronous Dual-Port Static RAM
Features
True dual-ported memory block that allow simultaneous
independent access
One port with dedicated time multiplexed address and data
(ADM) interface
One port configurable to standard SRAM or time multiplexed
address and data interface
16 K/8 K/4 K × 16 memory configuration
High speed access
65 ns or 90 ns ADM interface
40 ns or 60 ns standard SRAM interface
Fully asynchronous operation
Port independent 1.8 V, 2.5 V, and 3.0 V IOs
Block Diagram
Ultra low operating power
Active: ICC = 15 mA (typical) at 90 ns
Active: ICC = 25 mA (typical) at 65 ns
Standby: ISB3 = 2 A (typical)
Port independent power down
On-chip arbitration logic
Mailbox interrupt for port to port communication
Input Read and Output Drive registers
Upper byte and lower byte control
Small package: 6 × 6 mm, 100-ball Pb-free BGA
Industrial temperature range
SFEN#
IRR/ODR
IRR1-IRR0 [note 2]
ODR4-ODR0
I/OL15-I/OL8
I/OL7-I/OL0
ADV#L
UB#L
LB#L
Mux'ed
Address /
Data
I/O Control
DataL<15..0>
AddrL<13..0>
Dual Ported
Memory Array
16k/8k/4k x 16
DataR<15..0>
AddrR<13..0>
Mux'ed
Address/
Data
I/O Control
Address
Decode
Address
Decode
CS#L
OE#L
WE#L
BUSY#L
INT#L
Control Logic
CS#R
OE#R
WE#R
BUSY#R
INT#R
I/OR15-I/OR8
I/OR7-I/OR0
ADV#R
UB#R
LB#R
A13-A0 [note 1]
MSEL
Notes
1. A13-A0 for CYDMX256A16 and CYDMX256B16; A12-A0 for CYDMX128A16 and CYDMX128B16; and A11-A0 for CYDMX064A16 and CYDMX064B16.
2. IRR1 and IRR2 not available for CYDMX256A16 and CYDMX256B16.
Cypress Semiconductor Corporation • 198 Champion Court
wwwD.DocautamSheenett4#U: .0n0et1-08090 Rev. *G
• San Jose, CA 95134-1709 • 408-943-2600
Revised May 2, 2011
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Cypress Semiconductor Electronic Components Datasheet

CYDMX256B16 Datasheet

16 K/8 K/4 K x 16 MoBL ADM 16 K/8 K/4 K x 16 MoBL ADM

No Preview Available !

CYDMX256B16 pdf
CYDMX256A16, CYDMX256B16
CYDMX128A16, CYDMX128B16
CYDMX064A16, CYDMX064B16
Contents
Pin Configurations ........................................................... 3
Pin Definitions .................................................................. 4
Functional Description ..................................................... 4
Power Supply .............................................................. 4
ADM Interface Read or Write Operation ..................... 4
Standard SRAM Interface Read or Write Operation ... 5
Byte Select Operation ................................................. 5
Chip Select Operation ................................................. 5
Output Enable Operation ............................................. 5
Mailbox Interrupts ........................................................ 5
Arbitration Logic .......................................................... 5
Input Read Register .................................................... 5
Output Drive Register .................................................. 5
Architecture ...................................................................... 6
Maximum Ratings ............................................................. 8
Operating Range ............................................................... 8
Electrical Characteristics for VCC = 1.8 V ...................... 8
Electrical Characteristics for VCC = 2.5 V .................... 10
Electrical Characteristics for 3.0 V ............................... 11
Capacitance .................................................................... 11
Switching Characteristics for VCC = 1.8 V ................... 12
Switching Waveforms .................................................... 15
Ordering Information ...................................................... 21
Ordering Code Definitions ......................................... 21
Package Diagram ............................................................ 22
Acronyms ........................................................................ 23
Document Conventions ................................................. 23
Units of Measure ....................................................... 23
Document History Page ................................................. 24
Sales, Solutions, and Legal Information ...................... 25
Worldwide Sales and Design Support ....................... 25
Products .................................................................... 25
PSoC Solutions ......................................................... 25
Document #: 001-08090 Rev. *G
Page 2 of 25
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Part Number CYDMX256B16
Description 16 K/8 K/4 K x 16 MoBL ADM 16 K/8 K/4 K x 16 MoBL ADM
Maker Cypress Semiconductor
Total Page 25 Pages
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