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Número de pieza | LC3564BS | |
Descripción | 64K (8192-word 8-bit) SRAM with OE / CE1 / and CE2 Control Pins | |
Fabricantes | Sanyo | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de LC3564BS (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
No Preview Available ! Ordering number : EN5804A
CMOS IC
LC3564B, BS, BM, BT-70/10
64K (8192-word × 8-bit) SRAM with OE, CE1, and CE2
Control Pins
Overview
The LC3564B, LC3564BS, LC3564BM, and LC3564BT
are 8192-word × 8-bit asynchronous silicon gate CMOS
SRAMs. These are full CMOS type SRAMs that adopt a
six-transistor memory cell and feature fast access times,
low operating power dissipation, and an ultralow standby
current. These SRAMs provide three control signal inputs:
an OE input for high-speed memory access, and two chip
enable lines, CE1 and CE2, for low power mode and
device selection. These means that these SRAMs area
ideal for systems that require low power and battery
backup, and that they support easy memory expansion.
The ultralow standby current that is a feature of these
SRAMs allows them to be used with capacitor backup as
well. Since these SRAMs support 3-V operation, they are
also appropriate for use in portable battery operated
systems.
Features
• Supply voltage range: 2.7 to 5.5 V
— In 5-V operation mode: 5.0 V ±10%
— In 3-V operation mode: 3.0 V ±10%
• Address access time (tAA)
— In 5-V operation mode:
LC3564B, BS, BM, and BT-70: 70 ns (max)
LC3564B, BS, BM, and BT-10: 100 ns (max)
— In 3-V operation mode:
LC3564B, BS, BM, and BT-70: 200 ns (max)
LC3564B, BS, BM, and BT-10: 500 ns (max)
• Ultralow standby current
— In 5-V operation mode: 1.0 µA (Ta ≤ 70°C),
3.0 µA (Ta ≤ 85°C)
— In 3-V operation mode: 0.8 µA (Ta ≤ 70°C),
2.5 µA (Ta ≤ 85°C)
• Operating temperature range
— In 5-V operation mode: –40 to 85°C
— In 3-V operation mode: –40 to 85°C
• Data retention supply voltage: 2.0 to 5.5 V
• All input and output levels:
— In 5-V operation mode: TTL compatible levels
— In 3-V operation mode: VCC –0.2 V/0.2 V
• Three control inputs: OE, CE1, and CE2
• Shared input and output pins, three-state outputs
• No clock required
• Packages
28-pin DIP (600 mil) plastic package: LC3564B
28-pin DIP (300 mil) plastic package: LC3564BS
28-pin SOP (450 mil) plastic package: LC3564BM
28-pin TSOP (8 × 13.4 mm) plastic package: LC3564BT
Package Dimensions
unit: mm
3012A-DIP28 (600 mil)
[LC3564B]
SANYO: DIP28 (600 mil)
unit: mm
3133-DIP28 (300 mil)
[LC3564BS]
SANYO: DIP28 (300 mil)
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
53098HA (OT) No. 5804-1/9
1 page LC3564B, BS, BM, BT-70/10
[3-V Operation]
DC Allowable Operating Ranges at Ta = –40 to +85°C, VCC = 2.7 to 3.3 V
Parameter
Supply voltage
Input voltage
Symbol
VCC
VIH
VIL
Conditions
min
2.7
VCC – 0.2
0
Ratings
typ
3.0
max
3.3
VCC
0.2
Unit
V
V
V
DC Electrical Characteristics at Ta = –40 to +85°C, VCC = 2.7 to 3.3 V
Parameter
Input leakage current
I/O leakage current
Output high-level voltage
Output low-level voltage
Operation supply current VCC – 0.2 V/0.2 V
inputs
Symbol
ILI
ILO
VOH
VOL
ICCA1
ICCA4
Standby mode supply
current
VCC – 0.2 V/0.2 V
inputs
ICCS1
Note *: Reference values at VCC = 3 V, Ta = 25°C
Conditions
min
VIN = 0 to VCC
–1.0
VCE1 = VIH or VCE2 = VIL or VOE = VIH or
VWE = VIL, VI/O = 0 to VCC
–1.0
IOH = –0.5 mA
VCC – 0.2
IOL = 1.0 mA
VCE1 ≤ VIL, VCE2 ≥ VIH,
II/O = 0 mA, VIN ≤ VIL or
VIN ≥ VIH
Ta ≤ 70°C
Ta ≤ 85°C
VCE1 ≤ VIL,
VCE2 ≥ VIH,
II/O = 0 mA,
DUTY = 100%
min LC3564B,BS, BM, BT-70
cycle LC3564B,BS,BM,BT-10
1 µs cycle
VCE2 ≤ 0.2 V or
VCE1 ≥ VIH
VCE2 ≥ VIH
Ta ≤ 70°C
Ta ≤ 85°C
Ratings
typ *
0.01
3
0.01
max
+1.0
+1.0
0.2
0.8
2.5
20
10
0.8
2.5
Unit
µA
µA
V
V
µA
mA
mA
µA
No. 5804-5/9
5 Page |
Páginas | Total 9 Páginas | |
PDF Descargar | [ Datasheet LC3564BS.PDF ] |
Número de pieza | Descripción | Fabricantes |
LC3564B | 64K (8192-word 8-bit) SRAM with OE / CE1 / and CE2 Control Pins | Sanyo |
LC3564BM | 64K (8192-word 8-bit) SRAM with OE / CE1 / and CE2 Control Pins | Sanyo |
LC3564BS | 64K (8192-word 8-bit) SRAM with OE / CE1 / and CE2 Control Pins | Sanyo |
LC3564BT | 64K (8192-word 8-bit) SRAM with OE / CE1 / and CE2 Control Pins | Sanyo |
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