Cypress CY7C1420AV18 manual Document History, Ecn, Oirg. Submission Date Description Of Change

CY7C1416AV18, CY7C1427AV18

CY7C1418AV18, CY7C1420AV18

Document History Page

Document Title: CY7C1416AV18, CY7C1427AV18, CY7C1418AV18, CY7C1420AV18, 36-Mbit DDR-II SRAM 2-Word Burst

Architecture

Document Number: 38-05616

Rev.	ECN	Oirg. Of	Submission Date	Description Of Change
		Change
**	247331	SYT	08/26/04	New Data Sheet
*A	326519	SYT	04/14/05	Removed CY7C1420AV18 from the title
				Included 300 MHz Speed grade
				Replaced TBDs with their respective values for IDD and ISB1
				Added Industrial temperature grade
				Replaced the TBDs on the Thermal Characteristics Table to ΘJA = 17.2°C/W
				and ΘJC = 3.2°C/W
				Replaced TBDs in the Capacitance Table to their respective values for the
				165 FBGA Package
				Changed typo of bit # 47 to bit # 108 under the EXTEST OUTPUT BUS
				TRI-STATE on Page 18
				Added lead-free Product Information
				Updated the Ordering Information by Shading and Unshading MPNs as per
				availability
*B	413953	NXR	12/22/05	Converted from preliminary to final
				Added CY7C1427AV18 part number to title
				Added 278-MHz speed Bin
				Changed C, C Description in Feature Section and Pin Description
				Changed address of Cypress Semiconductor Corporation on Page# 1 from
				“3901 North First Street” to “198 Champion Court”
				Added Power-up sequence and Wave form on page# 19
				Added Footnotes# 13, 14, 15 on page# 19
				Replaced Three-state with Tri-state
				Changed the description of IX from Input Load Current to Input Leakage
				Current on page# 20
				Modified the IDD and ISB values
				Modified test condition in Footnote #17 on page# 20 from VDDQ < VDD to
				VDDQ < VDD
				Replaced Package Name column with Package Diagram in the Ordering
				Information table.
				Updated Ordering Information Table
*C	468029	NXR	07/10/06	Modified the ZQ Definition from Alternately, this pin can be connected
				directly to VDD to Alternately, this pin can be connected directly to VDDQ
				Included Maximum Ratings for Supply Voltage on VDDQ Relative to GND
				Changed the Maximum Ratings for DC Input Voltage from VDDQ to VDD
				Changed tTH and tTL from 40 ns to 20 ns, changed tTMSS, tTDIS, tCS, tTMSH,
				tTDIH, tCH from 10 ns to 5 ns and changed tTDOV from 20 ns to 10 ns in TAP
				AC Switching Characteristics table
				Modified Power-Up waveform
				Changed the Maximum rating of Ambient Temperature with Power Applied
				from –10°C to +85°C to –55°C to +125°C
				Added additional notes in the AC parameter section
				Modified AC Switching Waveform
				Corrected the typo In the AC Switching Characteristics Table
				Updated the Ordering Information Table
*D	505682	VKN	12/19/06	Corrected typo in the Functional Description section for burst counter logic

Document Number: 38-05616 Rev. *F Page 30 of 31

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