MOTOROLA = SEMICONDUCTOR TECHNICAL DATA MCM6810 128 x 8-Bit Random-Access Memory The MCM6810 is a byte-organized memory designed for use in bus-organized systems. It is fabri- cated with N-channel silicon-gate technology. For ease of use, the device operates from a single power supply, has compatibility with TTL and DTL, and needs no clocks or refreshing because of static operation. The memory is compatible with the M6800 Microcontroller Family, providing random storage in byte increments. Memory expansion is provided through multiple Chip Select inputs. Organized as 128 Bytes of 8 Bits @ Static Operation Bidirectional Three-State Data Input/Output Six Chip Select Inputs (Four Active Low, Two Active High} @ Single 5-Vol Power Supply @ TTL Compatible Maximum Access Time = 450 ns MCM6810 360 ns MCM68A10 250 ns MCM68B10 This document contains information on a new product. Specifications and information herein are subject to change without notice: MOTOROLA MICROPROCESSOR DATA 3-1432MC6810 MCM6810 RANDOM ACCESS MEMORY BLOCK DIAGRAM M6800 MICROCOMPUTER FAMILY BLOCK DIAGRAM mMcesoo Microprocessor Memory o Matrix eutters PT Bus (128 X 8) Read ony | + Memory | MCM6810 | Random test Selection LL and Control H4 Interface ps Memory Address interface and Control >| Adapter Modem ' ' Address Data Bus Bus MAXIMUM RATINGS Rating Symbol Value Unit Supply Voltage Voc =0.3 to +7.0 Vv This device contains circuitry to protect the in- Input Voltage Vin 0.3 to +7.0 Vv puts against damage due to high static voltages Operating Temperature Range TL toTy or electric fields; however, it is advised that nor MCM6810, MCM68A10, MCM68B10 Ta Oto +70 cc mal precautions be taken to avoid application of MCM6810C, MCM68A10C -40 to +85 any voltage higher than maximum rated voltages Storage Temperature Range Tstg 65 to + 150 C to this high impedance circuit operation is enhanced if unused inputs are tied to an appropnate logic voltage le g Vee} THERMAL CHARACTERISTICS Characteristic Symbol Value Unit Thermal Resistance QA C'W Plastic 120 Cerdip 65 POWER CONSIDERATIONS The average chip-junction temperature, Ty, in C can be obtained from: Ty=Ta+ (Pp * ya) where: Ta = Ambient Temperature, C 8A = Package Thermal Resistance, Junction-to-Ambient, C/W PD = PinttPport ; Pint =!ecxVec, Watts Chip Internal Power Pport = Port Power Dissipation, Watts User Determined Reliability of either Vs ar (1) For most applications Ppgrt<Piyq and can be neglected. PpgRT may become significant if the device is configured to drive Darlington bases or sink LED loads. An approximate relationship between Pp and Ty {if Peort is neglected) is: Pp=K + (Ty + 273C) Solving equations (1) and (2) for K givegy Pp + (Ty + 273C) + byarPp2 (2) (3) where K is a constant pertaining to the particular part. K can be determined from equation (3) by measuring Pp (at equilibrium) for a known Ta. Using this value of K, the values of Pp and Ty can be obtained by solving equations (1) and (2) iteratively for any value of Ta MOTOROLA MICROPROCESSOR DATA 3-1433 <MC6810 BLOCK DIAGRAM 2 DO AO 23 3 DI Al 22 4 D2 Memory aa Address Matrix 3-State 5 D3 SS 2 Decode (128 x 8) Buffer 6 04 anes a 7 08 AS 18 8 D6 AB 7 9 D7 CcS5 (15 cs4 14 CS3 (13 Memory Fe Control CS2. 12 cst ou Voc = Pin 24 GND = Pin 1 16 Read/Write DC ELECTRICAL CHARACTERISTICS !Vcc=5.0 Vdc +5%, Vgg=0, Ta=TL to Ty unless otherwise noted) Characteristic Symbol Min Max Unit Input High Voltage ViH Vgst+2.0 Vcc Vv Input Low Voltage Vib Vss-03 | Vss+08 Vv Input Current (An, B/W, CSp) (Vin =O to 5.25 V) lin - 2.5 BA Output High Voltage (IoH = 205 pA) VOH 2.4 - v Output Low Voltage (lol = 1.6 mA) VoL - 0.4 v Output Leakage Current (Three- State) (CS=0.8 V or CS=2.0 V, Vout=0.4 V to 2.4 V) ITS} - 10 nA Supply Current 1.0 MHz \ - 80 A (Veo =5.25 V, All Other Pins Grounded) 1.5,2.0MHz| CC - 100 Input Capacitance (An, R/W, CSp, CSq) (Vin=0, Ta = 25C, f= 1.0 MHz) Cin ~ 75 pF Output Capacitance (Dp) (Voyr=0, Ta = 25C, f= 1.0 MHz, CSO=0} Cout = 12.5 pF AC TEST LOAD 5.0V MMD6150 RL =2.5 kn or Equiv. Test Point 130 pF* MMD7000 or Equiv "includes Jig Capacitance AC OPERATING CONDITIONS AND CHARACTERISTICS READ CYCLE (Vcc = 5.0 V +5%, Vgg = 0, Ta = TL to Ty unless otherwise noted.) MCM6810 MCM68A10 MCM68B10 Characteristic Symbol Min Max Min Max Min Max Unit Read Cycle Time teye(R) 450 - 360 - 250 - ns Access Time tace - 450 - 360 = 250 ns Address Setup Time tas 20 - 20 - 20 = ns Address Hold Time tAH 0 - 0 - 0 = ns Data Delay Time (Read) toorR = 230 ~ 220 - 180 ns Read to Select Delay Time tres 0 - 0 _ 0 _ as Data Hold from Address tDHA 10 - 10 - 10 - as Output Hold Time tH 10 - 10 - 10 = ns Data Hold from Read tDHR 10 80 10 60 10 60 ns Read Hold from Chip Select tRH oO - 0 - 0 - ns MOTOROLA MICROPROCESSOR DATA 3-1434MC6810 READ CYCLE TIMING teyc( A} Address cs R/W Oata Out Data Valid NOTES: 1. Voltage levels shown are VL <0.4 V, V2 2.4 V, unless otherwise specified 2. Measurement points shown are 0.8 V and 2.0 V, unless otherwise specified QL = Dont Care 3. CS and CS have same timing. WRITE CYCLE (Vcc = 5.0 V +5%, Vsg = 0, Ta = TL to Ty unless otherwise noted.) MCM6810 MCM68A10 MCM68B10 Characteristic Symbol Min Max Min Max Min Max Unit Write Cycle Time teyc(W) 450 - 360 = 250 = ns Address Setup Time tas 20 ~~ 20 - 20 - ns Address Hold Time TAH 0 ~ 0 - 0 - as Chip Select Pulse Width tcs 300 - 250 = 210 - ns Write to Chip Select Delay Time twcs QO - 0 - 0 - ns Data Setup Time (Write) tpsw 4190 = 80 _ 60 ~ ns Input Hold Time tH 10 - 10 - 10 - ns Write Hold Time from Chip Select tWH 0 - 0 - 0 - ns Motorola reserves the right to make changes without further notice to any products herein to improve reliability, function or design. Motorola does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. Motorola products are not authorized for use as components in life support devices or systems intended for surgical implant into the body or intended to support or sustain life. Buyer agrees to notify Motorola of any such intended end use whereupon Motorola shall determine availability and suitability of its product or products for the use intended. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Employment Opportunity/Affirmative Action Employer. MOTOROLA MICROPROCESSOR DATA 3-1435MC6810 WRITE CYCLE TIMING Teyc(Wh Address x amet A Soe tes | tan Vt Roe ) nnn twes Ow f= ZZ. LLL: {agg 'Dsw a tH ow COLE: bw ns CLL 3 NOTES: 1. Voltage levels shown are VL s0.4 V, VH=2.4 V, unless otherwise specified. DLL = Don't Care 2. Measurement Points shown are 0.8 V and 2.0 V, unless otherwise specified. 3. CS and CS have same timing. N cs cs ORDERING INFORMATION Package Type Frequency (MHz) Temperature Order Number Plastic 1.0 OC to 70C MCM6810P P Suffix 1.0 40C to 85C MCM6810CP 1.5 0C to 70C MCM68A10P 1.5 - 40C to 85C MCM68A10CP 2.0 0C to 70C MCM68B10P Cerdip 1.0 0C to 70C MCM6810S S Suffix 1.0 40C to 85C MCM6810CS 15 0C to 70C MCM68A10S 1.5 40C to 85C MCM68A10CS 2.0 0C to 70C MCM68B10S PIN ASSIGNMENTS GNDQ1 @ ~~ = 24 vec Doz 23 lao Digj3 22741 b2g4 21fJac 0395 209 A3 D4Q6 19} A4 DsQ7 18 }A5 bDeQs 17 A6 o7Q3 16 fRw cso 10 16 1CS5 csign 14f} CS S212 13cs3 MOTOROLA MICROPROCESSOR DATA 3-1436