DESCRIPTION DECODER I/O DATA CIRCUIT CONTROL CIRCUIT
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1 28K x 24 HIGH-SPEED CMOS STATIC RAM WITH 3.3V SUPPLY JUNE 2005 FEATURES High-speed access time: 8, 0 ns CMOS low power operation 756 mw (max.) 8 ns 36 mw (max.) 8 ns TTL compatible interface levels Single 3.3V power supply Fully static operation: no clock or refresh required Three state outputs Available in 9-pin Plastic Ball Grid Array (PBGA) and 00-pin TQFP packages. Industrial temperature available Lead-free available FUTIONAL BLOCK DIAGRAM DESCRIPTION The IS6LV2824 is a high-speed, static RAM organized as 3,072 words by 24 bits. It is fabricated using 's highperformance CMOS technology. This highly reliable process coupled with innovative circuit design techniques, yields access times as fast as 8 ns with low power consumption. When CE, are HIGH and is LOW (deselected), the device assumes a standby mode at which the power dissipation can be reduced down with CMOS input levels. Easy memory expansion is provided by using Chip Enable and Output Enable inputs, CE,, and OE. The active LOW Write Enable () controls both writing and reading of the memory. The IS6LV2824 is packaged in the JEDEC standard 9-pin PBGA and 00-pin TQFP. A0-A6 DECODER 28K x 24 MEMORY ARRAY VCC I/O0-I/O23 I/O DATA CIRCUIT COLUMN I/O CE OE CONTROL CIRCUIT Copyright 2005 Integrated Silicon Solution, Inc. All rights reserved. reserves the right to make changes to this specification and its products at any time without notice. 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
2 PIN CONFIGURATION - 9-pin PBGA A A A4 A5 A6 A4 B A2 A3 CE A5 A3 C I/O6 I/O0 D I/O7 VCCQ VCCQ I/O E I/O8 VCC VCC I/O2 F I/O9 VCCQ VCCQ I/O3 G I/O20 VCC VCC I/O4 H I/O2 VCCQ VCCQ I/O5 J VCCQ VCC VCC VCCQ K I/O22 VCCQ VCCQ I/O6 L I/O23 VCC VCC I/O7 M I/O2 VCCQ VCCQ I/O8 N I/O3 VCC VCC I/O9 P I/O4 VCCQ VCCQ I/O0 R I/O5 I/O T A0 A8 A0 A U A9 A7 OE A6 A2 PIN DESCRIPTIONS A0-A6 Address Inputs I/O0-I/O23 Data Inputs/Outputs CE, Chip Enable Input LOW Chip Enable Input HIGH OE Output Enable Input Write Enable Input No Connection Power VCCQ I/O Power Ground 2 Integrated Silicon Solution, Inc
3 PIN CONFIGURATION 00-Pin TQFP A A2 A3 A4 A5 CE A6 A5 A4 A3 I/O6 I/O7 I/O8 I/O9 I/O20 I/O2 I/O22 I/O23 I/O2 I/O3 I/O4 I/O A0 A9 A8 A7 OE A6 A0 A A I/O0 I/O I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 I/O8 I/O9 I/O0 I/O PIN DESCRIPTIONS A0-A6 Address Inputs I/O0-I/O23 Data Inputs/Outputs CE, Chip Enable Input LOW Chip Enable Input HIGH OE Output Enable Input Write Enable Input No Connection Power VCCQ I/O Power Ground Integrated Silicon Solution, Inc
4 TRUTH TABLE Mode CE OE I/O0-I/O23 Current Not Selected X H X X X High-Z ISB, ISB2 X X L X X X X X H X Output Disabled H L H L H High-Z ICC Read H L H L L DOUT ICC Write L L H L X DIN ICC ABSOLUTE MAXIMUM RATINGS () Symbol Parameter Value Unit VCC Power Supply Voltage Relative to 0.5 to 5.0 V VTERM Terminal Voltage with Respect to 0.5 to V TSTG Storage Temperature 65 to + 50 C TBIAS Temperature Under Bias: Com. 0 to + 85 C Ind. 45 to + 90 C PT Power Dissipation 2.0 W IOUT DC Output Current ±20 ma Note:. Stress greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. OPERATING RANGE Range Ambient Temperature VCC (8 ns) VCC (0 ns) Commercial 0 C to +70 C 3.3V + 0%, 5% 3.3V ± 0% Industrial 40 C to +85 C 3.3V + 0%, 5% 3.3V ± 0% DC ELECTRICAL CHARACTERISTICS (Over Operating Range) Symbol Parameter Test Conditions Min. Max. Unit VOH Output HIGH Voltage VCC = Min., IOH = 4.0 ma 2.4 V VOL Output LOW Voltage VCC = Min., IOL = 8.0 ma 0.4 V VIH Input HIGH Voltage 2.2 VCC V VIL Input LOW Voltage () V ILI Input Leakage VIN VCC µa ILO Output Leakage VOUT VCC, Outputs Disabled µa Note:. VIL (min.) = 0.3V DC; VIL (min.) = 2.0V AC (pulse width 2.0 ns). VIH (max.) = VCC + 0.3V DC; VIH (max.) = VCC + 2.0V AC (pulse width 2.0 ns). 4 Integrated Silicon Solution, Inc
5 POR SUPPLY CHARACTERISTICS () (Over Operating Range) -8 ns -0 ns Symbol Parameter Test Conditions Min. Max. Min. Max. Unit ICC Dynamic Operating VCC = Max., Com ma Supply Current IOUT = 0 ma, f = fmax Ind ISB TTL Standby Current VCC = Max., Com ma (TTL Inputs) VIN = VIH or VIL, f = max. Ind CE,, VIH, VIL ISB2 CMOS Standby VCC = Max., Com. 0 0 ma Current (CMOS Inputs) CE, VCC 0.2V, Ind V, VIN VCC 0.2V, or VIN 0.2V, f = 0 Note:. At f = fmax, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change. CAPACITAE () Symbol Parameter Conditions Max. Unit CIN Input Capacitance VIN = 0V 6 pf COUT Input/Output Capacitance VOUT = 0V 8 pf Note:. Tested initially and after any design or process changes that may affect these parameters. AC TEST CONDITIONS Parameter Unit Input Pulse Level 0V to 3.0V Input Rise and Fall Times 2 ns Input and Output Timing.5V and Reference Level Output Load See Figures and AC TEST LOADS 39 Ω 0 ZO = 50Ω 3.3V OUTPUT 50Ω OUTPUT.5V 5 pf Including jig and scope 353 Ω 2 Figure Figure 2 Integrated Silicon Solution, Inc
6 READ CYCLE SWITCHING CHARACTERISTICS () (Over Operating Range) -8-0 Symbol Parameter Min. Max. Min. Max. Unit trc Read Cycle Time 8 0 ns taa Address Access Time 8 0 ns toha Output Hold Time 3 3 ns tace CE, Access Time 8 0 ns ta Access Time tdoe OE Access Time 4 4 ns thzoe (2) OE to High-Z Output ns tlzoe (2) OE to Low-Z Output 0 0 ns thzce (2) CE, to High-Z Output ns thz (2) to High-Z Output tlzce (2) CE, to Low-Z Output 3 3 ns tlz (2) to Low-Z Output Notes:. Test conditions assume signal transition times of 2 ns or less, timing reference levels of.5v, input pulse levels of 0 to 3.0V and output loading specified in Figure. 2. Tested with the load in Figure 2. Transition is measured ±200 mv from steady-state voltage. Not 00% tested. 6 Integrated Silicon Solution, Inc
7 AC WAVEFORMS READ CYCLE NO. (,2) (Address Controlled) (CE = = OE = VIL; = VIH) t RC ADDRESS DOUT PREVIOUS DATA VALID t OHA t AA DATA VALID t OHA 2 3 READ.eps READ CYCLE NO. 2 (,3) 4 ADDRESS t RC 5 OE t AA t OHA 6 CS t DOE t LZOE t HZOE 7 CS2 DOUT t LZCS t LZCS2 HIGH-Z t ACS t ACS2 DATA VALID t HZCS t HZCS2 8 9 CS2_RD2.eps Notes:. is HIGH for a Read Cycle. 2. The device is continuously selected. OE, CE, = VIL. = VIH. 3. Address is valid prior to or coincident with CE, LOW and HIGH transition. 0 2 Integrated Silicon Solution, Inc
8 WRITE CYCLE SWITCHING CHARACTERISTICS (,3) (Over Operating Range) -8-0 Symbol Parameter Min. Max. Min. Max. Unit twc Write Cycle Time 8 0 ns tsce CE, to Write End 7 8 ns ts to Write End 7 8 taw Address Setup Time 7 8 ns to Write End tha Address Hold from Write End 0 0 ns tsa Address Setup Time 0 0 ns tp Pulse Width (OE = HIGH) 6 8 ns tp2 Pulse Width (OE = LOW) 6 9 ns tsd Data Setup to Write End ns thd Data Hold from Write End 0 0 ns thz (2) LOW to High-Z Output ns tlz (2) HIGH to Low-Z Output 3 3 ns Notes:. Test conditions assume signal transition times of 2 ns or less, timing reference levels of.5v, input pulse levels of 0 to 3.0V and output loading specified in Figure. 2. Tested with the load in Figure 2. Transition is measured ±200 mv from steady-state voltage. Not 00% tested. 3. The internal write time is defined by the overlap of CE, LOW, HIGH and LOW. All signals must be in valid states to initiate a Write, but any one can go inactive to terminate the Write. The Data Input Setup and Hold timing are referenced to the rising or falling edge of the signal that terminates the write. 8 Integrated Silicon Solution, Inc
9 WRITE CYCLE NO. (CE Controlled, OE = HIGH or LOW) ADDRESS t WC VALID ADDRESS CE t SA t SCE t S t HA 2 t AW t P t P2 t HZ t LZ 3 4 DOUT DATA UNDEFINED HIGH-Z t SD t HD 5 DIN DATAIN VALID _WR.eps 6 WRITE CYCLE NO. 2 () ( Controlled: OE = HIGH during Write Cycle) ADDRESS OE CE t WC VALID ADDRESS LOW HIGH t AW t P t SA t HZ DOUT DATA UNDEFINED HIGH-Z t SD t HD t HA t LZ DIN DATAIN VALID _WR2.eps Integrated Silicon Solution, Inc
10 WRITE CYCLE NO. 3 () ( Controlled: OE I S LOW DURING WRITE CYLE) t WC ADDRESS VALID ADDRESS OE CE LOW LOW t HA HIGH t AW t P2 DOUT t SA DATA UNDEFINED t HZ HIGH-Z t LZ t SD t HD DIN DATAIN VALID _WR3.eps Note:. The internal Write time is defined by the overlap of CE and = LOW, = HIGH and = LOW. All signals must be in valid states to initiate a Write, but any can be deasserted to terminate the Write. The Data Input Setup and Hold timing is referenced to the rising or falling edge of the signal that terminates the Write. 0 Integrated Silicon Solution, Inc
11 ORDERING INFORMATION Commercial Range: 0 C to +70 C Speed (ns) Order Part No. Package 8 IS6LV2824-8B Plastic Ball Grid Array IS6LV2824-8BL Plastic Ball Grid Array, Lead-free IS6LV2824-8TQ TQFP 0 IS6LV2824-0B Plastic Ball Grid Array IS6LV2824-0BL Plastic Ball Grid Array, Lead-free IS6LV2824-0TQ TQFP Industrial Range: 40 C to +85 C Speed (ns) Order Part No. Package 8 IS6LV2824-8BI Plastic Ball Grid Array 0 IS6LV2824-0BI Plastic Ball Grid Array IS6LV2824-0TQI TQFP IS6LV2824-0TQLI TQFP, Lead-free Integrated Silicon Solution, Inc
12 PACKAGING INFORMATION Plastic Ball Grid Array Package Code: B (9-pin) E A φ b (9X) D D2 30ϒ e D A B C D E F G H J K L M N P R T U E2 A3 A2 A E A4 SEATING PLANE MILLIMETERS IHES Sym. Min. Max. Min. Max. N0. Leads 9 A A A A A BSC BSC b D D BSC BSC D E E 7.62 BSC BSC E e.27 BSC BSC Notes:. Controlling dimension: millimeters, unless otherwise specified. 2. BSC = Basic lead spacing between centers. 3. Dimensions D and E do not include mold flash protrusion and should be measured from the bottom of the package. 4. Formed leads shall be planar with respect to one another within inches at the seating plane. Copyright 2003 Integrated Silicon Solution, Inc. All rights reserved. reserves the right to make changes to this specification and its products at any time without notice. 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 Rev. B 02/2/03
13 PACKAGING INFORMATION TQFP (Thin Quad Flat Pack Package) Package Code: TQ D D E E N e C L L SEATING PLANE A2 A A b Thin Quad Flat Pack (TQ) Millimeters Inches Millimeters Inches Symbol Min Max Min Max Min Max Min Max Ref. Std. No. Leads (N) A A A b D D E E e 0.65 BSC BSC 0.50 BSC BSC L L.00 REF REF..00 REF REF. C 0 o 7 o 0 o 7 o 0 o 7 o 0 o 7 o Notes:. All dimensioning and tolerancing conforms to ANSI Y4.5M Dimensions D and E do not include mold protrusions. Allowable protrusion is 0.25 mm per side. D and E do include mold mismatch and are determined at datum plane -H-. 3. Controlling dimension: millimeters. Integrated Silicon Solution, Inc PK397LQ 05/08/03
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