WMS256K16-17FLCA

WMS256K16-17FLCA

  • 厂商:

    WEDC

  • 封装:

  • 描述:

    WMS256K16-17FLCA - 256Kx16 MONOLITHIC SRAM, SMD 5962-96902 - White Electronic Designs Corporation

  • 详情介绍
  • 数据手册
  • 价格&库存
WMS256K16-17FLCA 数据手册
White Electronic Designs WMS256K16-XXX 256Kx16 MONOLITHIC SRAM, SMD 5962-96902 FEATURES ■ ■ ■ Access Times 17, 20, 25, 35ns MIL-STD-883 Compliant Devices Available Packaging • 44 pin Ceramic SOJ (Package 102) • 44 lead Ceramic Flatpack (Package 225) • 44 lead Formed Ceramic Flatpack ■ ■ Organized as 256Kx16 Data Byte Control: • Lower Byte (LB#) = I/O1-8 • Upper Byte (UB#) = I/O9-16 ■ 2V Minimum Data Retention for battery back up operation (WMS256K16L-XXX Low Power Version Only) Commercial, Industrial and Military Temperature Range 5V Power Supply Low Power CMOS TTL Compatible Inputs and Outputs A0 A1 A2 A3 A4 CS# I/O1 I/O2 I/O3 I/O4 VCC GND I/O5 I/O6 I/O7 I/O8 WE# A5 A6 A7 A8 A9 PIN CONFIGURATION FOR WMS256K16-XXX 44 CSOJ 44 FlatpacK TOP VIEW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 A17 A16 A15 OE# UB# LB# I/O16 I/O15 I/O14 I/O13 GND VCC I/O12 I/O11 I/O10 I/O9 NC A14 A13 A12 A11 A10 ■ ■ ■ ■ PIN DESCRIPTION A0-17 LB# UB# I/O1-16 CS# OE# WE# VCC GND NC Address Inputs Lower-Byte Control (I/O1-8) Upper-Byte Control (I/O9-16) Data Input/Output Chip Select Output Enable Write Enable +5.0V Power Ground No Connection August 2004 Rev. 6 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs TRUTH TABLE CS# H L L L WE# X H X H OE# X H X L LB# X X H L H L L H L UB# X X H H L L H L L Mode Not Select Output Disable WMS256K16-XXX Data I/O I/O1-8 High Z High Z Data Out High Z Data Out Data In High Z Data In I/O9-16 High Z High Z High Z Data Out Data Out High Z Data In Data In Power Standby Active Read Active L L X Write Active ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Signal Voltage Relative to GND Junction Temperature Supply Voltage Symbol TA TSTG VG TJ VCC Min -55 -65 -0.5 -0.5 Max +125 +150 VCC+0.5 150 7.0 Unit °C °C V °C V RECOMMENDED OPERATING CONDITIONS Parameter Supply Voltage Input High Voltage Input Low Voltage Operating Temp. (Mil.) Symbol VCC VIH VIL TA Min 4.5 2.2 -0.3 -55 Max 5.5 VCC + 0.3 +0.8 +125 Unit V V V °C CAPACITANCE TA = +25°C Parameter Input capacitance Output capacitance Symbol CIN COUT Condition VIN = 0V, f = 1.0MHz VOUT = 0V, f = 1.0MHz Max 20 20 Unit pF pF This parameter is guaranteed by design but not tested. DC CHARACTERISTICS VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C Parameter Input Leakage Current Output Leakage Current Operating Supply Current Standby Current Output Low Voltage Output High Voltage Symbol ILI ILO ICC ISB VOL VOH Conditions VCC = 5.5, VIN = GND to VCC CS# = VIH, OE# = VIH, VOUT = GND to VCC CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5 CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5 IOL = 6mA, VCC = 4.5 IOH = -4.0mA, VCC = 4.5 2.4 Min Max 10 10 275 17 0.4 Units µA µA mA mA V V NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V LOW POWER DATA RETENTION CHARACTERISTICS (WMS256K16L-XXX ONLY) -55°C ≤ TA ≤ +125°C Parameter Data Retention Supply Voltage Data Retention Current August 2004 Rev. 6 Symbol VDR ICCDR1 Conditions CS# ≥ VCC -0.2V VCC = 3V 2 Min 2.0 Typ 1.0 Max 5.5 8.0 Units V mA White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs AC CHARACTERISTICS VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C Parameter Symbol Read Cycle Read Cycle Time tRC Address Access Time tAA Output Hold from Address Change tOH Chip Select Access Time tACS Output Enable to Output Valid tOE Chip Select to Output in Low Z tCLZ1 Output Enable to Output in Low Z tOLZ1 Chip Disable to Output in High Z tCHZ1 Output Disable to Output in High Z tOHZ1 LB#, UB# Access Time tBA LB#, UB# Enable to Low Z Output tBLZ1 LB#, UB# Disable to High Z Output tBHZ1 1. This parameter is guaranteed by design but not tested. -17 Min 17 0 17 10 2 0 9 9 10 0 9 0 10 5 0 10 10 12 0 Max 17 0 20 12 5 0 Min 20 -20 Max 20 0 Min 25 WMS256K16-XXX -25 Max 25 0 25 15 5 0 12 12 14 0 12 Min 35 -35 Max 35 35 20 Units ns ns ns ns ns ns ns ns ns ns ns ns 15 15 17 15 AC CHARACTERISTICS VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C Parameter Write Cycle Symbol -17 Min 17 14 14 10 14 0 2 0 0 14 Max Min 20 17 17 12 17 0 2 0 0 17 -20 Max Min 25 20 20 15 20 0 2 0 0 20 -25 Max Min 35 25 25 20 25 0 2 0 0 25 -35 Max Units ns ns ns ns ns ns ns ns ns ns ns Write Cycle Time tWC Chip Select to End of Write tCW Address Valid to End of Write tAW Data Valid to End of Write tDW Write Pulse Width tWP Address Setup Time tAS Address Hold Time tAH Output Active from End of Write tOW1 Write Enable to Output in High Z tWHZ1 Data Hold Time tDH LB#, UB# Valid to End of Write tBW 1. This parameter is guaranteed by design but not tested. 9 10 10 15 AC TEST CIRCUIT Parameter I OL Current Source AC TEST CONDITIONS Typ VIL = 0, VIH = 3.0 5 1.5 1.5 Unit V ns V V Input Pulse Levels Input Rise and Fall Input and Output Reference Level Output Timing Reference Level D.U.T. C eff = 50 pf VZ ≈ 1.5V (Bipolar Supply) I OH Current Source Notes: Vz is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75 Ω. Vz is typically the midpoint of VOH and VOL. IOL & IOH are adjusted to simulate a typical resistive load circuit. ATE tester includes jig capacitance. August 2004 Rev. 6 3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs TIMING WAVEFORM - READ CYCLE tRC ADDRESS tAA CS# ADDRESS WMS256K16-XXX tRC tAA tOH tACS tCHZ DATA I/O PREVIOUS DATA VALID DATA VALID LB#, UB# tBA tBLZ tCLZ OE# tOE tOLZ DATA I/O HIGH IMPEDANCE READ CYCLE 2 (WE# = VIH) DATA VALID tOHZ tBHZ READ CYCLE 1 (CS# = OE# = VIL, UB# or LB# = VIL, WE# = VIH) WRITE CYCLE - WE# CONTROLLED tWC ADDRESS tAW tCW CS# tAH tBW LB#, UB# tAS WE# tWP tOW tWHZ tDW DATA VALID tDH DATA I/O WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE - CS# CONTROLLED tWC ADDRESS WRITE CYCLE - LB#, UB# CONTROLLED tWC ADDRESS tAS CS# tAW tCW tBW tAH CS# tAS tAW tCW tBW tAH LB#, UB# LB#, UB# tWP WE# WE# tWP tDW tDH DATA I/O tDW DATA VALID tDH DATA I/O DATA VALID WRITE CYCLE 2, CS# CONTROLLED WRITE CYCLE 3, LB#, UB# CONTROLLED August 2004 Rev. 6 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs PACKAGE 102: 44 LEAD, CERAMIC SOJ WMS256K16-XXX 28.70 (1.13) ± 0.25 (0.010) 0.2 (0.008) ± 0.05 (0.002) 3.96 (0.156) MAX 0.89 (0.035) Radius TYP 11.3 (0.446) ± 0.2 (0.009) 9.55 (0.376) ± 0.25 (0.010) 1.27 (0.050) ± 0.25 (0.010) 1.27 (0.050) TYP 26.7 (1.050) TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES PACKAGE 225: 44 LEAD, CERAMIC FLAT PACK 28.45 (1.120) ± 0.26 (0.010) 2.60 (0.102) MAX 12.95 (0.510) ± 0.13 (0.005) 10.16 (0.400) ± 0.51 (0.020) 0.43 (0.017) ± 0.05 (0.002) 26.67 (1.050) TYP 0.14 (0.006) ± 0.05 (0.002) 1.27 (0.050) TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES August 2004 Rev. 6 5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WMS256K16-XXX PACKAGE 211: 44 LEAD FORMED, CERAMIC FLAT PACK 28.45 (1.120) 3.81 (0.150) MAX 1.52 (0.060) TYP ± 0.26 (0.010) PIN 1 IDENTIFIER 12.95 (0.510) ± 0.13 (0.005) 16.76 (0.660) ± 0.13 (0.005) 0.43 (0.017) ± 0.05 (0.002) 26.67 (1.050) TYP 0.14 (0.006) ± 0.05 (0.002) 1.27 (0.050) TYP + + 1.90 (0.075) TYP 0.46 (0.030) TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES ORDERING INFORMATION W M S 256K16 X - XXX X X X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads DEVICE GRADE: M = Military Screened I = Industrial C = Commercial PACKAGE: DL = 44 Lead Ceramic SOJ (Package 102) FL = 44 Lead Ceramic Flatpack (Package 225) FG = 44 Lead Formed Ceramic Flatpack ACCESS TIME (ns) IMPROVEMENT MARK: Blank = Standard Power L = Low Power Data Retention ORGANIZATION, 256K x 16 SRAM MONOLITHIC WHITE ELECTRONIC DESIGNS CORP. -55°C to +125°C -40°C to +85°C 0°C to +70°C August 2004 Rev. 6 6 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs DEVICE TYPE 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic 256K x 16 SRAM Monolithic WMS256K16-XXX SPEED 35ns 25ns 20ns 17ns 35ns 25ns 20ns 17ns 35ns 25ns 20ns 17ns PACKAGE 44 lead SOJ (DL) 44 lead SOJ (DL) 44 lead SOJ (DL) 44 lead SOJ (DL) 44 lead Flatpack (FL) 44 lead Flatpack (FL) 44 lead Flatpack (FL) 44 lead Flatpack (FL) 44 lead Formed Flatpack (FG) 44 lead Formed Flatpack (FG) 44 lead Formed Flatpack (FG) 44 lead Formed Flatpack (FG) SMD NO. 5962-96902 01HMX 5962-96902 02HMX 5962-96902 03HMX 5962-96902 04HMX 5962-96902 01HNX 5962-96902 02HNX 5962-96902 03HNX 5962-96902 04HNX 5962-96902 01HTX 5962-96902 02HTX 5962-96902 03HTX 5962-96902 04HTX August 2004 Rev. 6 7 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WMS256K16-17FLCA
物料型号: - WMS256K16-XXX

器件简介: - 该器件是一款256Kx16位的单片SRAM,提供SMD封装。它有多种访问时间选项(17ns, 20ns, 25ns, 35ns),符合MIL-STD-883标准的设备也可用。该SRAM组织为256Kx16,数据字节控制包括低字节(LB#)和高字节(UB#)控制。

引脚分配: - 44引脚陶瓷SOJ(Package 102)、44引脚陶瓷扁包装(Package 225)和44引脚成型陶瓷扁包装。 - 引脚配置详细列出了每个引脚的功能,例如地址输入(A0-17)、低字节控制(LB#)、高字节控制(UB#)、数据输入/输出(I/O1-16)、芯片选择(CS#)、输出使能(OE#)、写使能(WE#)、电源(Vcc)和地(GND)。

参数特性: - 工作温度范围从-55°C到+125°C,存储温度范围从-65°C到+150°C。 - 信号电压相对于地为-0.5到Vcc+0.5V。 - 供电电压范围从4.5V到5.5V。 - 输入高电平电压(VIH)为2.2V到Vcc+0.3V,输入低电平电压(VIL)为-0.3V到+0.8V。

功能详解: - 该SRAM支持多种操作模式,包括非选择、输出禁用、读取、写入等。 - 详细描述了不同模式下的数据I/O行为和功耗状态。

应用信息: - 适用于商业、工业和军事温度范围的应用。 - 供电为5V,采用低功耗CMOS技术,与TTL兼容的输入输出。

封装信息: - 提供了三种不同的封装类型:44引脚陶瓷SOJ、44引脚陶瓷扁包装和44引脚成型陶瓷扁包装。 - 所有线性尺寸均以毫米和英寸表示。
WMS256K16-17FLCA 价格&库存

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