as7c33512ft3236a ETC-unknow, as7c33512ft3236a Datasheet
as7c33512ft3236a
Related parts for as7c33512ft3236a
as7c33512ft3236a Summary of contents
Page 1
December 2004 3.3V 512K × 32/36 Flow-through synchronous SRAM Features • Organization: 524,288 words × bits • Fast clock to data access: 7.5/8.5/10 ns • Fast OE access time: 3.5/4.0 ns • Fully synchronous flow-through operation • ...
Page 2
Mb Synchronous SRAM products list Org Part Number 1MX18 AS7C331MPFS18A 512KX32 AS7C33512PFS32A 512KX36 AS7C33512PFS36A 1MX18 AS7C331MPFD18A 512KX32 AS7C33512PFD32A 512KX36 AS7C33512PFD36A 1MX18 AS7C331MFT18A 512KX32 AS7C33512FT32A 512KX36 AS7C33512FT36A 1MX18 AS7C331MNTD18A 512KX32 AS7C33512NTD32A 512KX36 AS7C33512NTD36A 1MX18 AS7C331MNTF18A 512KX32 AS7C33512NTF32A 512KX36 AS7C33512NTF36A 1 ...
Page 3
Pin assignment 100-pin TQFP - top view NC/DQPc 1 DQc0 2 DQc1 DDQ V 5 SSQ 6 DQc2 DQc3 7 DQc4 8 DQc5 SSQ V 11 DDQ 12 DQc6 DQc7 ...
Page 4
Functional description The AS7C33512FT32A/36A is a high-performance CMOS 16-Mbit synchronous Static Random Access Memory (SRAM) device organized as 524,288 words x 32/36. Fast cycle times of 8.5/10/12 ns with clock access times (t Burst operation is initiated in one of ...
Page 5
Signal descriptions Pin I/O Properties CLK I CLOCK Clock. All inputs except OE, ZZ, and LBO are synchronous to this clock. A,A0,A1 I SYNC Address. Sampled when all chip enables are active and when ADSC or ADSP are asserted. DQ[a,b,c,d] ...
Page 6
Write enable truth table (per byte) Function GWE BWE L Write All Bytes H H Write Byte a H Write Byte c and d H Read H Key don’t care low high ...
Page 7
Synchronous truth table 1 CE0 CE1 CE2 ADSP ADSC ...
Page 8
Absolute maximum ratings Parameter Power supply voltage relative to GND Input voltage relative to GND (input pins) Input voltage relative to GND (I/O pins) Power dissipation Short circuit output current Storage temperature Temperature under bias Stresses greater than those listed ...
Page 9
DC electrical characteristics for 3.3V I/O operation Parameter Sym † Input leakage current |I Output leakage current |I Input high (logic 1) voltage V Input low (logic 0) voltage V Output high voltage V Output low voltage V DC electrical ...
Page 10
Timing characteristics over operating range Parameter Cycle time Clock access time Output enable low to data valid Clock high to output low Z Data output invalid from clock high Output enable low to output low Z Output enable high to ...
Page 11
Key to switching waveforms Rising input Timing waveform of read cycle CLK t t ADSPS ADSPH ADSP t ADSCS ADSC Address GWE, BWE t t CSS CSH CE0, CE2 CE1 ...
Page 12
Timing waveform of write cycle t CH CLK t ADSPS t ADSPH ADSP ADSC Address BWE BW[a:d] t CSS t CSH CE0, CE2 CE1 ADV OE Din D(A1) Read Suspend Q(A1) Note: Ý = XOR ...
Page 13
Timing waveform of read/write cycle (ADSP Controlled; ADSC High) CLK t ADSPS t ADSPH ADSP Address A1 BWE BW[a:d] CE0, CE2 CE1 ADV OE Din LZC Dout Q(A1) Read Q(A1) Note: Ý = XOR when LBO = ...
Page 14
Timing waveform of read/write cycle(ADSC controlled, ADSP = HIGH) CLK t t ADSCS ADSCH ADSC ADDRESS BWE BW[a: CSS CSH CE0,CE2 CE1 LZOE Q(A1) Q(A2) Dout Din READ READ Q(A1) Q(A2) ...
Page 15
Timing waveform of power down cycle CLK t t ADSPS ADSPS ADSP ADSC A1 ADDRESS BWE BW[a: CSS CSH CE0,CE2 CE1 ADV LZOE Din Dout Q(A1) t PDS ZZ ZZ Setup Cycle t ZZI ...
Page 16
AC test conditions • Output load: For LZC LZOE HZOE • Input pulse level: GND to 3V. See Figure A. • Input rise and fall time (measured at 0.3V and 2.7V): 2 ns. See Figure ...
Page 17
Package dimensions 100-pin quad flat pack (TQFP) TQFP Min Max A1 0.05 0.15 A2 1.35 1.45 b 0.22 0.38 c 0.09 0.20 D 13.90 14.10 E 19.90 20.10 e 0.65 nominal Hd 15.85 16.15 He 21.80 22.20 L 0.45 0.75 ...
Page 18
Ordering information Package & Width -75 AS7C33512FT32A-75TQC TQFP x32 AS7C33512FT32A-75TQI AS7C33512FT36A-75TQC TQFP x36 AS7C33512FT36A-75TQI Note: Add suffix ‘N’ to the above part number for Lead Free Parts (Ex. AS7C33512FT32A-85TQCN) Part numbering guide AS7C 33 512 1.Alliance Semiconductor ...
Page 19
Alliance Semiconductor Corporation 2575, Augustine Drive, Santa Clara, CA 95054 Tel: 408 - 855 - 4900 Fax: 408 - 855 - 4999 www.alsc.com © Copyright 2003 Alliance Semiconductor Corporation. All rights reserved. Our three-point logo, our name and Intelliwatt ...