Cypress CY7C1145V18 Document History, ECN No Issue Date Orig. Description of Change, Vkn/Kkvtmp

CY7C1141V18, CY7C1156V18

CY7C1143V18, CY7C1145V18

Document History Page

Document Title: CY7C1141V18/CY7C1156V18/CY7C1143V18/CY7C1145V18, 18-Mbit QDR™-II+ SRAM 4-Word Burst Archi- tecture (2.0 Cycle Read Latency)

Document Number: 001-06583

REV.	ECN No.	Issue Date	Orig. of	Description of Change
			Change
**	430351	See ECN	NXR	New data sheet
*A	461654	See ECN	NXR	Revised the MPNs from
				CY7C1156BV18 to CY7C1156V18
				CY7C1143BV18 to CY7C1143V18
				CY7C1145BV18 to CY7C1145V18
				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
*B	497629	See ECN	NXR	Changed the VDDQ operating voltage to 1.4V to VDD in the Features section, in
				Operating Range table and in the DC Electrical Characteristics table
				Added foot note in page 1
				Changed the Maximum rating of Ambient Temperature with Power Applied from
				–10°C to +85°C to –55°C to +125°C
				Changed VREF (max) spec from 0.85V to 0.95V in the DC Electrical Character-
				istics table and in the note below the table
				Updated foot note 22 to specify Overshoot and Undershoot Spec
				Updated ΘJA and ΘJC values
				Removed x9 part and its related information
				Updated footnote 25
*C	1167806	See ECN	VKN/KKVTMP	Converted from preliminary to final
				Added x8 and x9 parts
				Changed IDD values from 766 mA to 1020 mA for 375 MHz, 708 mA to 920 mA
				for 333 MHz, 663 mA to 850 mA for 300 MHz
				Changed ISB values from 227 mA to 290 mA for 375 MHz, 212 mA to 260 mA
				for 333 MHz, 201 mA to 250 mA for 300 MHz
				Changed tCYC(max) spec to 8.4 ns for all speed bins
				Changed ΘJA value from 13.48 °C/W to 17.2 °C/W
				Updated Ordering Information table
*D	2199066	See ECN	VKN/AESA	Added footnote# 21 related to IDD

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Document Number: 001-06583 Rev. *D Revised March 06, 2008 Page 28 of 28

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