IS61/64WV25616EFALL IS61/64WV25616EFBLL JANUARY 2021 256Kx16 HIGH SPEED AYNCHRONOUS CMOS STATIC RAM with ECC KEY FEATURES DESCRIPTION High-speed access time: 8, 10ns, 12ns ISSI The IS61/64WV25616EFALL/EFBLL are high-speed, Single power supply low power, 4M bit static RAMs organized as 256K words by 1.65V-2.2V VDD(IS61/64WV25616EFALL) 16 bits. It is fabricated using ISSI s high-performance CMOS 2.4V-3.6V VDD (IS61/64WV25616EFBLL) technology and implemented ECC function to improve Error Detection and Correction with optional reliability. ERR1/ERR2 output pin: This highly reliable process coupled with innovative circuit - ERR1 pin indicates 1-bit error detection and design techniques including ECC (SEC-DED: Single Error correction. Correcting-Double Error Detecting) yield high-performance - ERR2 pin indicates 2-bit error detection and highly reliable devices. Three state outputs When CS is HIGH (deselected), the device assumes a Industrial and Automotive temperature support standby mode at which the power dissipation can be reduced down with CMOS input levels. Lead-free available Easy memory expansion is provided by using Chip Enable FUNCTIONAL BLOCK DIAGRAM and Output Enable inputs. The active LOW Write Enable (WE ) controls both writing and reading of the memory. A MMeemmoorryy data byte allows Upper Byte (UB ) and Lower Byte (LB ) MMeemmoorryy LLoowweerr IIOO EECCCC UUppppeerr IIOO EECCCC DDEECCOODDEERR AArrrraayy AArrrraayy AArrrraayy AArrrraayy access. AA00 AA1177 225566KKxx88 225566KKxx55 225566KKxx88 225566KKxx55 VVDDDD The IS61/64WV25616EFALL/EFBLL are packaged in the VVSSSS 88 55 88 55 JEDEC standard 48-ball mini BGA (6mm x 8mm), and 44-pin EERRRR11 EERRRR22 1133 88 TSOP (TYPE II) II//OO00 II//OO77 II//OO EECCCC DDAATTAA CCOOLLUUMMNN II//OOCCoolluummnn II//OO 1133 88 EECCCC CCIIRRCCUUIITT II//OO88 II//OO1155 CCSS OE OE CCOONNTTRROOLL WE WE CCIIRRCCUUIITT UB UB LLBB ZZ Copyright 2020 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that: a.) the risk of injury or damage has been minimized b.) the user assume all such risks and c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances Integrated Silicon Solution, Inc.- www.issi.com 1 Rev. A2 01/11/2021 IS61/64WV25616EFALL IS61/64WV25616EFBLL PIN CONFIGURATIONS 48-Ball mini BGA(6mm x 8mm), 48-Ball mini BGA (6mm x 8mm) , Switched IO (Package Code : B) (Package Code : B2) 1 2 3 4 5 6 1 2 3 4 5 6 A A LB OE A0 A1 A2 NC LB OE A0 A1 A2 NC B B I/O8 UB A3 A4 CS I/O0 I/O0 UB A3 A4 CS I/O8 I/O9 I/O10 A5 A6 I/O1 I/O2 C I/O1 I/O2 A5 A6 I/O10 I/O9 C D D VSS I/O11 A17 A7 I/O3 VDD VSS I/O3 A17 A7 I/O11 VDD E VDD I/O12 NC A16 I/O4 VSS E VDD I/O4 NC A16 I/O12 VSS F F I/O14 I/O13 A14 A15 I/O5 I/O6 I/O6 I/O5 A14 A15 I/O13 I/O14 G G I/O15 NC A12 I/O7 A13 WE I/O7 NC A12 I/O15 A13 WE H NC A8 A9 A10 A11 NC H NC A8 A9 A10 A11 NC 48-Ball mini BGA(6mm x 8mm), ERR1 48-Ball mini BGA (6mm x 8mm) , ERR1 (Package Code : B3) (Package Code : B4) 1 2 3 4 5 6 1 2 3 4 5 6 A A LB OE A0 A1 A2 NC LB OE A0 A1 A2 NC B B I/O0 UB A3 A4 CS I/O8 I/O8 UB A3 A4 CS I/O0 I/O9 I/O10 A5 A6 I/O1 I/O2 C I/O1 I/O2 A5 A6 I/O10 I/O9 C D D VSS I/O3 A17 A7 I/O11 VDD VSS I/O11 A17 A7 I/O3 VDD E E VDD I/O4 ERR1 A16 I/O12 VSS VDD I/O12 ERR1 A16 I/O4 VSS F F I/O6 I/O5 A14 A15 I/O13 I/O14 I/O14 I/O13 A14 A15 I/O5 I/O6 G G I/O7 NC A12 I/O15 I/O15 NC A12 I/O7 A13 WE A13 WE H H NC A8 A9 A10 A11 NC NC A8 A9 A10 A11 NC Integrated Silicon Solution, Inc.- www.issi.com 2 Rev. A2 01/11/2021