CYDC128B08-55AXI

CYDC128B08-55AXI Datasheet


CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

Part Datasheet
CYDC128B08-55AXI CYDC128B08-55AXI CYDC128B08-55AXI (pdf)
Related Parts Information
CYDC064B08-55AXI CYDC064B08-55AXI CYDC064B08-55AXI
CYDC064B16-55AXI CYDC064B16-55AXI CYDC064B16-55AXI
CYDC256B16-55AXI CYDC256B16-55AXI CYDC256B16-55AXI
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CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

CYDC064B08
1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM
• True dual-ported memory cells which allow simultaneous access of the same memory location
• 4/8/16k x 16 and 8/16k x 8 organization
• High-speed access 40 ns
• Ultra Low operating power

Active ICC = 15 mA typical at 55 ns Active ICC = 25 mA typical at 40 ns Standby ISB3 = 2 µA typical
• Port-independent 1.8V, 2.5V, and 3.0V I/Os
• Lead Pb -free 14 x 14 x mm 100-pin TQFP Package
• Full asynchronous operation
• Pin select for Master or Slave
• Expandable data bus to 32 bits with Master/Slave chip
select when using more than one device
• On-chip arbitration logic
• On-chip semaphore logic
• Input Read Registers and Output Drive Registers
• INT flag for port-to-port communication
• Separate upper-byte and lower-byte control
• Commercial and industrial temperature ranges

Selection Guide for VCC = 1.8V

CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

CYDC064B08 -40

CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

CYDC064B08 -55

Port I/O Voltages P1-P2
1.8V-1.8V
1.8V-1.8V

Unit

Maximum Access Time

Typical Operating Current

Typical Standby Current for ISB1

Typical Standby Current for ISB3

Selection Guide for VCC = 2.5V

CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

CYDC064B08 -40

Port I/O Voltages P1-P2
2.5V-2.5V

Maximum Access Time

Typical Operating Current

Typical Standby Current for ISB1

Typical Standby Current for ISB3

Selection Guide for VCC = 3.0V

CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

CYDC064B08 -40

Port I/O Voltages P1-P2
3.0V-3.0V

Maximum Access Time

Typical Operating Current

Typical Standby Current for ISB1

Typical Standby Current for ISB3

CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

CYDC064B08 -55
Ordering Information
16k x16 1.8V Asynchronous Dual-Port SRAM

Speed ns
Ordering Code CYDC256B16-40AXC CYDC256B16-55AXC CYDC256B16-55AXI

Package Name

AZ0AB

AZ0AB

AZ0AB
8k x16 1.8V Asynchronous Dual-Port SRAM

Speed ns
Ordering Code CYDC128B16-40AXC CYDC128B16-55AXC CYDC128B16-55AXI

Package Name

AZ0AB

AZ0AB

AZ0AB
4k x16 1.8V Asynchronous Dual-Port SRAM

Speed ns
Ordering Code CYDC064B16-40AXC CYDC064B16-55AXC CYDC064B16-55AXI

Package Name

AZ0AB

AZ0AB

AZ0AB
16k x8 1.8V Asynchronous Dual-Port SRAM

Speed ns
Ordering Code CYDC128B08-40AXC CYDC128B08-55AXC CYDC128B08-55AXI

Package Name

AZ0AB

AZ0AB

AZ0AB
8k x8 1.8V Asynchronous Dual-Port SRAM

Speed ns
Ordering Code CYDC064B08-40AXC CYDC064B08-55AXC CYDC064B08-55AXI

Package Name

AZ0AB

AZ0AB

AZ0AB

Package Type 100-pin Lead-free TQFP 100-pin Lead-free TQFP 100-pin Lead-free TQFP

Package Type 100-pin Lead-free TQFP 100-pin Lead-free TQFP 100-pin Lead-free TQFP

Package Type 100-pin Lead-free TQFP 100-pin Lead-free TQFP 100-pin Lead-free TQFP

Package Type 100-pin Lead-free TQFP 100-pin Lead-free TQFP 100-pin Lead-free TQFP

Package Type 100-pin Lead-free TQFP 100-pin Lead-free TQFP 100-pin Lead-free TQFP

Operating Range

Commercial Industrial

Operating Range

Commercial Industrial

Operating Range

Commercial Industrial

Operating Range

Commercial Industrial

Operating Range

Commercial Industrial

Page 24 of 26

Package Diagram

CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

CYDC064B08
100-Pin Thin Plastic Quad Flat Pack TQFP A100
51-85048-*C

All products and company names mentioned in this document may be the trademarks of their respective holders.

Page 25 of 26

Cypress Semiconductor Corporation, 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. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08,

CYDC064B08

Document History Page

Document Title 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM Document Number 001-01638

Orig. of ECN NO. Issue Date Change

Description of Change
385185 SEE ECN YDT New data sheet
396697 SEE ECN KGH Updated ISB2 and ISB4 typo to mA.

Updated tINS and tINR for -55 to 31ns.
404777 SEE ECN KGH Updated IOH and IOL values for the 1.8V, 2.5V and 3.0V parameters VOH and

Replaced -35 speed bin with -40

Updated Switching Characteristics for VCC = 2.5V and VCC = 3.0V Included note 34
505803 SEE ECN HKH Corrected typo in Features and Ordering Info sections.

Cypress external web release.
735537 SEE ECN HKH Corrected typo in Pg5 power supply section

Updated tDDD timing value to be consistent with tWDD

Page 26 of 26
More datasheets: NPA 201-EV | DFR0311 | 204-10USOC/S400-A7 | AGQ200-48S1V8-4L | AGQ200-48S1V8PB-4L | AGQ200-48S1V8B-4L | AGQ200-48S1V8P-4L | FDPF79N15 | FDP79N15 | 400225-01


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Datasheet ID: CYDC128B08-55AXI 508194