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Número de pieza | M514400D | |
Descripción | MSM514400D | |
Fabricantes | OKI | |
Logotipo | ||
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¡ Semiconductor¡ Semiconductor
This veMrsSioMn5:1J4a4n0. 01D99/8DL
Previous version: May 1997
MSM514400D/DL
1,048,576-Word ¥ 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE
DESCRIPTION
The MSM514400D/DL is a 1,048,576-word ¥ 4-bit dynamic RAM fabricated in Oki's silicon-gate
CMOS technology. The MSM514400D/DL achieves high integration, high-speed operation, and
low-power consumption because Oki manufactures the device in a quadruple-layer polysilicon/
single-layer metal CMOS process. The MSM514400D/DL is available in a 26/20-pin plastic SOJ, 20-
pin plastic ZIP, or 26/20-pin plastic TSOP. The MSM514400DL (the low-power version) is specially
designed for lower-power applications.
FEATURES
• 1,048,576-word ¥ 4-bit configuration
• Single 5 V power supply, ±10% tolerance
• Input : TTL compatible, low input capacitance
• Output : TTL compatible, 3-state
• Refresh : 1024 cycles/16 ms, 1024 cycles/128 ms (L-version)
• Fast page mode, read modify write capability
• CAS before RAS refresh, hidden refresh, RAS-only refresh capability
• Multi-bit test mode capability
• Package options:
26/20-pin 300 mil plastic SOJ (SOJ26/20-P-300-1.27) (Product : MSM514400D/DL-xxSJ)
20-pin 400 mil plastic ZIP
(ZIP20-P-400-1.27)
(Product : MSM514400D/DL-xxZS)
26/20-pin 300 mil plastic TSOP (TSOPII26/20-P-300-1.27-K) (Product : MSM514400D/DL-xxTS-K)
xx indicates speed rank.
PRODUCT FAMILY
Family
MSM514400D/DL-50
MSM514400D/DL-60
MSM514400D/DL-70
Access Time (Max.) Cycle Time
Power Dissipation
tRAC tAA tCAC tOEA
(Min.) Operating (Max.) Standby (Max.)
50 ns 25 ns 13 ns 13 ns
60 ns 30 ns 15 ns 15 ns
70 ns 35 ns 20 ns 20 ns
90 ns
110 ns
130 ns
550 mW
495 mW
440 mW
5.5 mW/
1.1 mW (L-version)
1/17
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1 page ¡ Semiconductor
MSM514400D/DL
DC Characteristics
Parameter
Symbol Condition
Output High Voltage
VOH IOH = –5.0 mA
Output Low Voltage
VOL IOL = 4.2 mA
0 V £ VI £ 6.5 V;
Input Leakage Current ILI All other pins not
under test = 0 V
DQ disable
Output Leakage Current ILO 0 V £ VO £ 5.5 V
Average Power
Supply Current
(Operating)
Power Supply
Current (Standby)
Average Power
Supply Current
(RAS-only Refresh)
Power Supply
Current (Standby)
RAS, CAS cycling,
ICC1 tRC = Min.
RAS, CAS = VIH
ICC2 RAS, CAS
≥ VCC –0.2 V
RAS cycling,
ICC3 CAS = VIH,
tRC = Min.
RAS = VIH,
ICC5 CAS = VIL,
DQ = enable
Average Power
RAS cycling,
Supply Current
(CAS before RAS Refresh)
ICC6
CAS before RAS
Average Power
RAS = VIL,
Supply Current
ICC7 CAS cycling,
(Fast Page Mode)
Average Power
Supply Current
tPC = Min.
tRC = 125 ms,
ICC10 CAS before RAS,
(Battery Backup)
tRAS £ 1 ms
(VCC = 5 V ±10%, Ta = 0°C to 70°C)
MSM514400 MSM514400 MSM514400
D/DL-50
D/DL-60
D/DL-70 Unit Note
Min. Max. Min. Max. Min. Max.
2.4 VCC 2.4 VCC 2.4 VCC V
0 0.4 0 0.4 0 0.4 V
–10 10 –10 10 –10 10 mA
–10 10 –10 10 –10 10 mA
— 100 — 90 — 80 mA 1, 2
—2 —2— 2
mA 1
—1 —1— 1
— 200 — 200 — 200 mA 1, 5
— 100 — 90 — 80 mA 1, 2
— 5 — 5 — 5 mA 1
— 100 — 90 — 80 mA 1, 2
— 80 — 70 — 60 mA 1, 3
1, 4,
— 300 — 300 — 300 mA
5
Notes : 1. ICC Max. is specified as ICC for output open condition.
2. The address can be changed once or less while RAS = VIL.
3. The address can be changed once or less while CAS = VIH.
4. VCC – 0.2 V £ VIH £ 6.5 V, –1.0 V £ VIL £ 0.2 V.
5. L-version.
5/17
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5 Page ¡ Semiconductor
MSM514400D/DL
Fast Page Mode Read Cycle
RAS
VIH
VIL
–
–
CAS
VIH
VIL
–
–
VIH –
Address VIL –
,,,WE
VIH
VIL
–
–
tAR
tCRP
tRCD
tRAD
tASR tRAH tASC
tCAS
tCSH
tCAH
Row Column
tRCS
tRASP
tRHCP
tPC
tCP
tCAS
tRSH
tCP
tCAS
tASC tCAH
tRAL
tASC tCAH
Column
tRCH
tRCS
tRCH
Column
tRCS
tRP
tCRP
tRCH
tAA tAA
tAA tRRH
tCPA tCPA
OE
VIH
VIL
–
–
DQ
VOH –
VOL –
tOEA
tCAC
tRAC
tOFF
tOEZ
Valid
tCLZ Data-out
tOEA
tCAC
tCLZ
tOFF
tOEZ
Valid
Data-out
tOEA
tCAC
tCLZ
tOFF
tOEZ
Valid
Data-out
"H" or "L"
Fast Page Mode Write Cycle (Early Write)
RAS
VIH
VIL
–
–
CASVIH–
VIL –
VIH –
,,,AddressVIL–
tAR
tCRP
tRCD
tCAS
tASR
tCSH
tRAH tASC tCAH
Row Column
tRAD
tCWL
tRASP
tPC
tCP
tCAS
tASC tCAH
Column
tCWL
tRHCP
tRSH
tCP
tCAS
tASC tCAHtRAL
Column
tRWL
tRP
tCRP
WE
VIH
VIL
–
–
tWCS
tWCH
tWP
tWCR
tWCS
tWCH
tWP
tWCS
tCWL
tWCH
tWP
tDS tDH
tDS tDH
tDS tDH
DQ
VIH
VIL
–
–
Valid Data-in
tDHR
Valid
Data-in
Valid
Data-in
Note: OE = "H" or "L"
"H" or "L"
11/17
Free Datasheet http://www.0PDF.com
11 Page |
Páginas | Total 17 Páginas | |
PDF Descargar | [ Datasheet M514400D.PDF ] |
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