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 HANBit
HMD1M1Z1
1Mbit(1Mx1bit) Fast Page Mode, 1K Refresh, 20Pin ZIP, 5V Design Part No. HMD1M1Z1
DESCRIPTION
The HMD1M1Z1 is an 1M x 1 bits Fast Page Mode CMOS DRAMs. Fast Page Mode offers high speed random access of memory cells within the same row. Power supply voltage (+5V ), access time (-5, -6), power consumption(Normal or Low power), and package type (ZIP) are optional features of this Module. The HMD1M1Z1 have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities. The HMD1M1Z1 is optimized for application to the systems, which are required high density and large capacity such as main memory for main frames and mini computers, personal computer and high performance microprocessor systems. The HMD1M1Z1 provides common data and outputs.
Features
w Fast Page Mode operation w CAS-before-RAS refresh capability w RAS-only and Hidden refresh capability w Fast parallel test mode capability w TTL(5V) compatible inputs and outputs w Early write or output enable controlled write w Available in 20pin ZIP packages w Single +5V 10% power supply w 1,024 Refresh Cycles/16ms w Performance Range Speed HMD1M1Z1-5 HMD1M1Z1-6 tRAC 50 60 tCAC 15 15 tRC 90 110 tPC 35 40 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14
PIN ASSIGNMENT
SYMBOL NC /CAS DOUT VSS DIN /WE /RAS NC NC A9NC A0 A1 A2 A3 VCC A4 A5 A6 A7 A8
PIN DESCRIPTION
PIN A0 - A8 DQ0 - DQ3 /RAS /CAS FUNCTION Address Inputs Data Input/Output Row Address Strobe Column Address Strobe PIN /WE Vcc Vss NC FUNCTION Read/Write Enable Power (+5V) Ground No Connection
15 16 17 18 19 20
1
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HANBit
ABSOLUTE MAXIMUM RATINGS*
SYMBOL TA TSTG VIN/VOUT VCC IOUT PD PARAMETER Ambient Temperature under Bias Storage Temperature (Plastic) Voltage on any Pin Relative to Vss Power Supply Voltage Short Circuit Output Current Power Dissipation RATING 0 ~ 70 -55 ~ 150 -1.0 ~ 7.0 -1.0 ~ 7.0 50 600
HMD1M1Z1
UNIT C C V V mA mW
*NOTE: 1. Stress greater than above absolute Maximum Ratings?
May cause permanent damage to the device.
RECOMMENDED DC OPERATING CONDITIONS (TA = 0 ~ 70C)
PARAMETER Supply Voltage Ground Input High Voltage Input Low Voltage *NOTE: All voltages referenced to Vcc SYMBOL Vcc Vss VIH VIL MIN 4.5 0 2.4 -1.0 TYP. 5.0 0 MAX 5.5 0 Vcc+1 0.8 UNIT V V V V
DC AND OPERATING CHARACTERISTICS
SYMBOL VOH VOL ICC1 ICC2 ICC3 PARAMETER Output High Level Voltage (IOUT = -5mA) Output Low Level Voltage (IOUT = 4.2mA) Operating Current (/RAS,/CAS,Address Cycling : tRC = tRC min) Standby Current (/RAS,/CAS = VIH) /RAS Only Refresh Current (/RAS Cycling, /CAS = VIH,: tRC = tRC min) Fast Page Mode Current ICC4 ICC5 ICC6 (/RAS =VIL, /CAS, Address Cycling : tPC = tPC min) Standby Current (/RAS,/CAS >= Vcc - 0.2V) -5 /CAS before /RAS Refresh Current (tRC = tRC min) -6 Self Refresh Current ICCS (/RAS=/UCAS=/LCAS=VIL, /WE=/OE=A0~A9= Vcc - 0.2V or 0.2V, DQ0~DQ31= Vcc - 0.2V, 0.2V or Open) Input Leakage Current II(L) (Any Input (0V<=VIN<= VIN + 0.5V, All Other Pins Not Under Test = 0V) IO(L) Output Leakage Current(DOUT is Disabled, 0V<=V OUT<= Vcc) -5 5 uA -5 5 uA uA 75 mA -5 -6 -5 -6 -5 -6 MIN 2.4 0 0.4 85 mA 75 2 85 mA 75 65 55 1 85 mA mA mA mA MAX UNIT V V
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HANBit
HMD1M1Z1
Note: 1. Icc depends on output load condition when the device is selected. Icc (max) is specified at the output open condition. 2. Address can be changed once or less while /RAS = V IL. 3. Address can be changed once or less while /CAS = V IH
CAPACITANCE
( TA=25 C, Vcc = 5V+/- 10%, f = 1Mhz ) SYMBOL CI1 C I2 MIN MAX 5 7 UNITS pF pF NOTE 1 1,2
o
DESCRIPTION Input Capacitance (A0-A9) Input Capacitance (/WE,/RAS, /CAS0/CAS3,/OE) Input/Output Capacitance (DQ0-31)
CDQ1
-
7
pF
1,2
Note: 1. Capacitance measured with Boonton Meter or effective capacitance measuring method. 2. /CAS = VIH to disable DOUT.
AC CHARACTERISTICS
SYMBOL tRC tRWC tRAC tCAC taa tOFF tT tRP tRAS tRSH tCSH tCAS tRCD tRAD tCRP tASR tRAH tASC tCAH tRAL tRCS
( 0 C TA 70oC , Vcc = 5V10%, VIH /VIL = 2.4/0.8V, VOH /VOL =2.4/0.4V, See notes 1,2) -5 -6 UNIT MIN MAX MIN 110 130 50 15 25 0 3 30 50 15 50 15 20 15 5 0 10 0 10 25 0 10K 35 25 10K 12 50 0 3 40 60 15 60 15 20 15 5 0 10 0 10 30 0 10K 45 30 10K 60 15 30 12 50 MAX ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns 11 11 4 10 3,4,10 3,4,5 3,10 6 2 90 110 NOTE
o
PARAMETER Random Read or Write Cycle Time Read-modify-writer cycle time Access Time from /RAS Access Time from /CAS Access Time from Column Address Output Buffer Turn-off Time Transition Time (Rise and Fall) /RAS Precharge Time /RAS Pulse Width /RAS Hold Time /CAS Hold Time /CAS Pulse Width /RAS to /CAS Delay Time /RAS to Column Address Delay Time /CAS to /RAS Precharge Time Row Address Setup Time Row Address Hold Time Column Address Setup Time Column Address Hold Time Column Address to /RAS Lead Time Read Command Setup Time
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tRCH tRRH tWCH tWP tRWL tCWL tDS tDH tREF twcs tCWD tRWD tAWD tCPWD tCSR Read Command Hold Time to /CAS Read Command Hold Time to /RAS Write Command Hold Time Write Command Pulse Width Write Command to /RAS Lead Time Write Command to /CAS Lead Time Data-in Setup Time Data-in Hold Time Refresh Period (1024 Cycle) Write Command Setup Time /CAS to /WE delay time /RAS to /WE delay time Column Address to /WE delay time /CAS precharge to /WE delay time /CAS Setup Time 10 (/CAS-before-/RAS Refresh Cycle) /CAS Hold Time tCHR tRPC tCPA tPC tCP tRASP tRHCP tRASS tPRS tCHS Note: cycles before proper device operation is achieved. 10 (/CAS-before-/RAS Refresh Cycle) /RAS Precharge to /CAS Hold Time Access Time from /CAS Precharge Fast Page Mode Cycle Time Fast Page Mode /RAS Precharge Time Fast Page Mode /CAS Pulse Time /RAS Hold Time time from /CAS 30 Precharge /RAS Pulse Width(CBR self refresh) /RAS Precharge Time(CBR self refresh) /CAS Hold Time(CBR self refresh) 100 90 -50 100 110 -50 35 35 10 50 200K 5 30 40 10 60 200K 5 35 10 10 0 15 50 25 30 0 0 10 10 15 13 0 10 16 0 15 60 30 35 0 0 10 10 15 15 0 10 16
HMD1M1Z1
ns ns ns ns ns ns ns ns ms ms ms ns ns ns ns 7 7,13 7 7 7 15 9 9 8 8
ns ns ns ns ns ns ns us ns ns
16
3
12
1. An initial pause of 200us is required after power-up followed by any 8 /RAS-only refresh or /CAS-before-/RAS refresh
2. Input voltage levels are VIH / VIL. VIH(min) and VIL(max) are reference levels for measuring timing of input signals. Also, transition times are measured between . VIH and VIL are assumed to be 5ns for all inputs. 3. Measured with a load circuit equivalent to 2TTL loads and 100pF. 4. Operation with the tRCD (max) limit insures that tRAC (max) can be met, tRCD (max) is specified as a reference point only, if tRCD is greater than the specified tRCD(max) limit, then access time is controlled exclusively by tCAC . 5. Assumes that tRCD <= tRCD (max). 6. This parameter defines the time at which the output achieves the open circuit condition and is not referenced to VOH / VOL .
4
HANBit Electronics Co.,Ltd.
HANBit
HMD1M1Z1
7. TWCS, TRWD, TCWD, TCPWD are non restrictive operating parameter. They are included in the data sheet as electrical characteristics only. If twcs >= twcs (min), the cycle is an early write cycle and the data out pin will remain open circuit (high impedance) throughout the entire cycle. If tCWD >= tCWD (min), tRWD >= tRWD (min), TCPWD>= TCPWD(min), then the cycle is a read-modify-write cycle and the data output will contain the data read from the selected address. If neither of the above conditions is satisfied, the condition of the data out is indeterminate. 8. Either tRCH or tRRH must be satisfied for a read cycles. 9. These parameters are referenced to /CAS falling edge in early write cycles and to /WE falling edge in /OE controlled write cycle and read-modify-write cycles. 10. Operation with the tRAD (max) limit insures that tRAC (max) can be met, tRAD (max) is specified as a reference point only, if tRAD is greater than the specified tRAD (max) limit, then access time is controlled exclusively by tAA. 11. tASC, tCAH are are referenced to the earlier /CAS falling edge. 12. tCP is specified from the later /CAS rising edge in the previous cycle to the earlier /CAS falling edge in the next cycle. 13. tCWD is referenced to the later /CAS falling edge at word read-modify-write cycle. 14. tCWL is specified from /WE falling edge to the earlier /CAS rising edge . 15. tCSR is referenced to the earlier /CAS falling edge before /RAS transition low. 16. tCHR is referenced to the later /CAS rising edge after /RAS transition low.
PACKAGING INFORMATION
5 HANBit Electronics Co.,Ltd.
HANBit
HMD1M1Z1
1.94 0.20
1.27 0.20
1.94 0.20
97. 80 0. 20
1.80.30 mm
2.54 mm
ORDERING INFORMATION
Part Number Density Org. Package Component Number 1EA 1EA Vcc MODE SPEED
HMD1M1Z1-5 HMD1M1Z1-6
1Mbit 1Mbit
1M x 1Bit 1M x 1Bit
20 Pin-ZIP 20 Pin-ZIP
5V 5V
FP FP
50ns 60ns
6
HANBit Electronics Co.,Ltd.


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