background image

 

CY7C1231H

Document #: 001-00207 Rev. *B

Page 12 of 12

Document History Page

Document Title: CY7C1231H 2-Mbit (128K x 18) Flow-Through SRAM with NoBL™ Architecture
Document Number: 001-00207

REV.

ECN NO.

Issue Date

Orig. of 

Change

Description of Change

**

347377

See ECN

PCI

New Data Sheet

*A

428408

See ECN

NXR

Converted from Preliminary to Final.
Changed address of Cypress Semiconductor Corporation on Page# 1 from 
“3901 North First Street” to “198 Champion Court”
Removed 100 MHz Speed-bin
Changed Three-State to Tri-State.
Modified “Input Load” to “Input Leakage Current except ZZ and MODE” in the 
Electrical Characteristics Table.
Modified test condition from V

DDQ

 < V

DD 

to

 

V

DDQ 

V

DD

Replaced Package Name column with Package Diagram in the Ordering 
Information table.
Updated the Ordering Information Table.
Replaced Package Diagram of 51-85050 from *A to *B

*B

459347

See ECN

NXR

Included 2.5V I/O option
Updated the Ordering Information table.

[+] Feedback 

Содержание CY7C1231H

Страница 1: ...g transferred on every clock cycle This feature dramatically improves the throughput of data through the SRAM especially in systems that require frequent Write Read transitions All synchronous inputs...

Страница 2: ...NC VSS VDDQ NC NC NC NC NC NC VDDQ VSS NC NC DQB DQB VSS VDDQ DQB DQB NC VDD NC VSS DQB DQB VDDQ VSS DQB DQB DQPB NC VSS VDDQ NC NC NC A A CE 1 CE 2 NC NC BW B BW A CE 3 V DD V SS CLK WE CEN OE NC 18...

Страница 3: ...uring the data portion of a write sequence during the first clock when emerging from a deselected state when the device has been deselected CEN Input Synchronous Clock Enable Input active LOW When ass...

Страница 4: ...HIGH input on ADV LD will increment the internal burst counter regardless of the state of Chip Enable inputs or WE WE is latched at the beginning of a burst cycle Therefore the type of access Read or...

Страница 5: ...READ Continue Burst Next X X X L H X X H L L H Tri State WRITE Cycle Begin Burst External L H L L L L L X L L H Data In D WRITE Cycle Continue Burst Next X X X L H X L X L L H Data In D NOP WRITE ABO...

Страница 6: ...H Voltage for 3 3V I O 2 0 VDD 0 3V V for 2 5V I O 1 7 VDD 0 3V VIL Input LOW Voltage 9 for 3 3V I O 0 3 0 8 V for 2 5V I O 0 3 0 7 IX Input Leakage Current except ZZ and MODE GND VI VDDQ 5 5 A Input...

Страница 7: ...ow standard test methods and procedures for measuring thermal impedance per EIA JESD51 30 32 C W JC Thermal Resistance Junction to Case 6 85 C W AC Test Loads and Waveforms Note 11 Tested initially an...

Страница 8: ...after CLK Rise 0 5 ns tWEH WE BW A B Hold after CLK Rise 0 5 ns tCENH CEN Hold after CLK Rise 0 5 ns tDH Data Input Hold after CLK Rise 0 5 ns tCEH Chip Enable Hold after CLK Rise 0 5 ns Notes 12 Tim...

Страница 9: ...nce is determined by the status of the MODE 0 Linear 1 Interleaved Burst operations are optional WRITE D A1 1 2 3 4 5 6 7 8 9 CLK tCYC tCL tCH 10 CE tCEH tCES WE CEN tCENH tCENS BW A B ADV LD tAH tAS...

Страница 10: ...uth Table for all possible signal conditions to deselect the device 23 I Os are in tri state when exiting ZZ sleep mode Switching Waveforms continued READ Q A3 4 5 6 7 8 9 10 A3 A4 A5 D A4 1 2 3 CLK C...

Страница 11: ...ZBT is a trademark of Integrated Device Technology Inc All product and company names mentioned in this document are the trademarks of their respective holders Ordering Information Not all of the spee...

Страница 12: ...conductor Corporation on Page 1 from 3901 North First Street to 198 Champion Court Removed 100 MHz Speed bin Changed Three State to Tri State Modified Input Load to Input Leakage Current except ZZ and...

Отзывы: