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White Electronic Designs
512Kx8 MONOLITHIC SRAM
FEATURES
Access Times 15, 17, 20ns Revolutionary, Center Power/Ground Pinout JEDEC Approved * 36 lead Ceramic SOJ (Package 100) * 36 lead Ceramic Flat Pack (Package 226) Evolutionary, Corner Power/Ground Pinout JEDEC Approved * 32 pin Ceramic DIP (Package 300) * 32 lead Ceramic SOJ (Package 101) * 32 lead Ceramic ThinpackTM Flat Pack (Package 321) 32 pin, Rectangular Ceramic Leadless Chip Carrier (Package 601) Low Power CMOS
WMS512K8V-XXX
Low Voltage Operation * 3.3V 10% Power Supply Commercial, Industrial and Military Temperature Range TTL Compatible Inputs and Outputs Fully Static Operation: * No clock or refresh required Three State Output
* This product is subject to change without notice.
REVOLUTIONARY PINOUT
36 FLAT PACK 36 CSOJ TOP VIEW
A0 A1 A2 A3 A4 CS# I/O0 I/O1 VCC VSS I/O2 I/O3 WE# A5 A6 A7 A8 A9
EVOLUTIONARY PINOUT
32 DIP 32 CSOJ (DE) 32 FLAT PACK (FF) TOP VIEW 32 CLCC TOP VIEW
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 Vcc A15 A17 WE# A13 A8 A9 A11 OE# A10 CS# I/O7 I/O6 I/O5 I/O4 I/O3
A12 A14 A16 A18 A15 A17 WE# A13 A8 A9 A11 OE# A10 CS# I/O7 I/O6 VCC I/O4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
NC A18 A17 A16 A15 OE# I/O7 I/O6 VSS VCC I/O5 I/O4 A14 A13 A12 A11 A10 NC
I/O1
I/O2
I/O3
PIN DESCRIPTION
A0-18 I/O 0-7 CS# OE# WE# VCC VSS Address Inputs Data Input/Output Chip Select Output Enable Write Enable Power Supply Ground
October 2004 Rev. 8
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I/O5
A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 Vss
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
4 3 2 1 32 31 30 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 5 29 6 28 7 27 8 26 25 9 10 24 23 11 12 22 13 21 14 15 16 17 18 19 20 VSS
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ABSOLUTE MAXIMUM RATINGS
Parameter Operating Temperature Storage Temperature Signal Voltage Range to GND Junction Temperature Supply Voltage Symbol TA TSTG VG TJ VCC Min -55 -65 -0.5 -0.5 Max +125 +150 4.6 150 4.6 Unit C C V C V CS# H L L L OE# X L X H WE# X H L H
WMS512K8V-XXX
TRUTH TABLE
MODE Standby Read Write Out Disable DATA I/O High Z Data Out Data In High Z POWER Standby Active Active Acvive
RECOMMENDED OPERATING CONDITIONS
Parameter Supply Voltage Input High Voltage Input Low Voltage Operating Temp. (Mil) Symbol VCC VIH VIL TA Min 3.0 2.2 -0.3 -55 Max 3.6 VCC + 0.3 +0.8 +125 Unit V V V C Parameter Input capacitance Output capacitance
CAPACITANCE
TA = +25C Symbol CIN COUT Conditions VIN = 0 V, f = 1.0 MHz VOUT = 0 V, f = 1.0 MHz Max 12 12 Unit pF pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS - CMOS COMPATIBLE
VCC = 5.0V, GND = 0V, -55C TA 125C
Parameter Input Leakage Current Output Leakage Current Operating Supply Current Standby Current Output Low Voltage Output High Voltage Symbol ILI ILO ICC ISS VOL VOH Conditions VCC = 3.6, VIN = GND to VCC CS# = VIH, OE# = VIH, VOUT = GND to VCC CS# = VIH, OE# = VIH, f = 5MHz, VCC = 3.6 CS# = VIH, OE# = VIH, f = 5MHz, VCC = 3.6 IOL = 4.0mA IOH = -4.0mA Min Max 10 10 100 50 0.4 Unit A A mA mA V V
2.4
October 2004 Rev. 8
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AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55C TA < 125C Parameter Read Cycle Read Cycle Time Address Access Time Output Hold from Address Change Chip Select Access Time Output Enable to Output Valid Chip Select to Output in Low Z Output Enable to Output in Low Z Chip Disable to Output in High Z Output Disable to Output in High Z Symbol tRC tAA tOH tACS tOE tCLZ1 tOLZ1 tCHZ1 tOHZ1 -15 Min 15 0 15 8 1 0 8 8 1 0 8 8 Max 15 0 17 8 Min 17 -17 Max 17
WMS512K8V-XXX
-20 Min 20 0 20 10 1 0 10 10 Max 20
Unit ns ns ns ns ns ns ns ns ns
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55C TA 125C Parameter Write Cycle Write Cycle Time Chip Select to End of Write Address Valid to End of Write Data Valid to End of Write Write Pulse Width Address Setup Time Address Hold Time Output Active from End of Write Write Enable to Output in High Z Data Hold Time Symbol tWC tCW tAW tDW tWP tAS tAH tOW1 tWHZ1 tDH -15 Min 15 12 12 9 12 0 0 2 0 Max Min 17 12 12 9 14 0 0 3 0 -17 Max Min 20 14 14 10 14 0 0 3 0 -20 Max Unit ns ns ns ns ns ns ns ns ns ns
8
8
9
1. This parameter is guaranteed by design but not tested.
AC TEST CIRCUIT
AC TEST CONDITIONS
Parameter Input Pulse Levels Input Rise and Fall Input and Output Reference Level Output Timing Reference Level
VZ 1.5V (Bipolar Supply)
IOL Current Source
Typ VIL = 0, VIH = 2.5 5 1.5 1.5
Unit V ns V V
D.U.T. Ceff = 50 pF
IOH Current Source
Notes: VZ is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75. 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.
October 2004 Rev. 8
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TIMING WAVEFORM - READ CYCLE
WMS512K8V-XXX
tRC ADDRESS tAA
tRC
ADDRESS
CS#
tAA tOH
DATA I/O
PREVIOUS DATA VALID DATA VALID
tACS tCLZ OE# tOE
tCHZ
tOHZ DATA VALID
READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH)
tOLZ DATA I/O HIGH IMPEDANCE
READ CYCLE 2 (WE# = VIH)
WRITE CYCLE - WE# CONTROLLED
tWC
ADDRESS
tAW tCW
CS#
tAH
tAS
WE#
tWP tOW tWHZ tDW
DATA VALID
tDH
DATA I/O
WRITE CYCLE 1, WE# CONTROLLED
WRITE CYCLE - CS# CONTROLLED
tWC
ADDRESS
tAW tAS
CS#
tCW
tAH
tWP
WE#
tDW
tDH
DATA I/O WRITE CYCLE 2, CS# CONTROLLED
DATA VALID
October 2004 Rev. 8
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PACKAGE 100: 36 LEAD, CERAMIC SOJ
23.37 (0.920) 0.25 (0.010) 0.2 (0.008) 0.05 (0.002)
WMS512K8V-XXX
4.7 (0.184) MAX 0.89 (0.035) Radius TYP
11.23 (0.442) 0.30 (0.012)
9.55 (0.376) 0.25 (0.010)
1.27 (0.050) 0.25 (0.01
PIN 1 IDENTIFIER 1.27 (0.050) TYP 21.6 (0.850) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 101: 32 LEAD, CERAMIC SOJ
21.1 (0.830) 0.25 (0.010) 0.2 (0.008) 0.05 (0.002) 3.96 (0.156) MAX 0.89 (0.035) Radius TYP
11.23 (0.442) 0.30 (0.012)
9.55 (0.376) 0.25 (0.010)
1.27 (0.050) 0.25 (0.010)
PIN 1 IDENTIFIER 1.27 (0.050) TYP 19.1 (0.750) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
October 2004 Rev. 8
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WMS512K8V-XXX
PACKAGE 321: 32 PIN CERAMIC THINPACKTM FLATPACK
0.838 MAX
0.427 0.429
0.567 0.559
0.050 TYP
0.008 0.005 0.016 0.008
0.020 0.030
0.118 MAX
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 226: 36 LEAD, CERAMIC FLAT PACK
23.37 (0.920) 0.25 (0.010) 2.72 (0.107) MAX
12.95 (0.510) 0.13 (0.005)
12.7 (0.500) 0.5 (0.020)
5.1 (0.200) 0.25 (0.010) 1.27 (0.050) TYP 0.127 (0.005) 0.05 (0.002) 21.59 (0.850) TYP 38.1 (1.50) 0.4 (0.015)
3.8 (0.150) TYP
0.43 (0.017) 0.05 (0.002) 32.64 (1.285) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
October 2004 Rev. 8
6
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White Electronic Designs
WMS512K8V-XXX
PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED
42.8 (1.686) MAX
5.13 (0.202) MAX PIN 1 IDENTIFIER 3.2 (0.125) MIN 0.99 (0.039) 0.51 (0.020) 2.5 (0.100) TYP 1.27 (0.050) 0.1 (0.005) 0.46 (0.018) 0.05 (0.002) 0.25 (0.010) 0.05 (0.002) 15.25 (0.600) 0.25 (0.010)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
October 2004 Rev. 8
7
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WMS512K8V-XXX
PACKAGE 601: 32 PIN, RECTANGULAR CERAMIC LEADLESS CHIP CARRIER
7.62 (0.300) TYP 3.81 (0.150) TYP
5.08 (0.200) TYP 0.56 (0.022) 0.71 (0.028)
10.16 (0.400) TYP PIN 1
0.38 (0.015) x 45 PIN 1 IDENTIFIER
11.25 (0.443) 14.15 (0.557)
1.63 (0.064) 2.54 (0.100)
13.79 (0.543) 14.15 (0.557)
1.02 (0.040) x 45 3 PLACES
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
October 2004 Rev. 8
8
White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com
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ORDERING INFORMATION
WMS512K8V-XXX
W M S 512K 8 V - XXX X X X
WHITE ELECTRONIC DESIGNS CORP. MONOLITHIC SRAM ORGANIZATION, 512K x 8 LOW VOLTAGE SUPPLY 3.3V 10% ACCESS TIME (ns) PACKAGE:
C = 32 pin Ceramic 0.600" DIP (Package 300) CL = 32 pin Rectangular Ceramic Leadless Chip Carrier (Package 601) DE = 32 Lead Ceramic SOJ (Package 101) Evolutionary DJ = 36 Lead Ceramic SOJ (Package 100) F = 36 Lead Ceramic Flat Pack (Package 226) FF = 32 Lead Ceramic ThinpackTM Flat Pack (Package 321)
DEVICE GRADE:
M = Military Screened I = Industrial C = Commercial -55C TA 125C -40C TA 85C 0C TA 70C
LEAD FINISH:
Blank = Gold plated leads A = Solder dip leads
October 2004 Rev. 8
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White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com

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