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N08L63W2A Schematic ( PDF Datasheet ) - ON Semiconductor

Teilenummer N08L63W2A
Beschreibung 8Mb Ultra-Low Power Asynchronous CMOS SRAM 512K X 16bit
Hersteller ON Semiconductor
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Gesamt 10 Seiten
N08L63W2A Datasheet, Funktion
N08L63W2Awww.DataSheet4U.com
8Mb Ultra-Low Power Asynchronous CMOS SRAM
512K × 16 bit
Overview
The N08L63W2A is an integrated memory device
containing a 8 Mbit Static Random Access Memory
organized as 524,288 words by 16 bits. The device
is designed and fabricated using ON
Semiconductor’s advanced CMOS technology to
provide both high-speed performance and ultra-low
power. The device operates with two chip enable
(CE1 and CE2) controls and output enable (OE) to
allow for easy memory expansion. Byte controls
(UB and LB) allow the upper and lower bytes to be
accessed independently and can also be used to
deselect the device. The N08L63W2A is optimal
for various applications where low-power is critical
such as battery backup and hand-held devices.
The device can operate over a very wide
temperature range of -40oC to +85oC and is
available in JEDEC standard packages compatible
with other standard 512Kb x 16 SRAMs
Product Family
Features
• Single Wide Power Supply Range
2.3 to 3.6 Volts
• Very low standby current
4.0µA at 3.0V (Typical)
• Very low operating current
2.0mA at 3.0V and 1µs(Typical)
• Very low Page Mode operating current
1.0mA at 3.0V and 1µs (Typical)
• Simple memory control
Dual Chip Enables (CE1 and CE2)
Byte control for independent byte operation
Output Enable (OE) for memory expansion
• Low voltage data retention
Vcc = 1.8V
• Very fast output enable access time
25ns OE access time
• Very fast Page Mode access time
tAAP = 25ns
• Automatic power down to standby mode
• TTL compatible three-state output driver
Part Number
N08L63W2AB
N08L63W2AB2
Package Type
48 - BGA
48 - BGA Green
Operating
Temperature
Power
Supply
(Vcc)
Speed
Standby
Operating
Current (ISB), Current (Icc),
Typical
Typical
-40oC to +85oC
2.3V - 3.6V
85ns @ 2.3V
4 µA
2 mA @ 1MHz
Pin Configuration
Pin Descriptions
123456
A LB OE A0
B I/O8 UB A3
C I/O9 I/O10 A5
A1 A2 CE2
A4 CE1 I/O0
A6 I/O1 I/O2
D VSS I/O11 A17 A7 I/O3 VCC
E VCC I/O12 NC A16 I/O4 VSS
F I/O14 I/O13 A14 A15 I/O5 I/O6
G I/O15 NC A12 A13 WE I/O7
H A18 A8
A9 A10 A11 NC
48 Pin BGA (top)
8 x 10 mm
Pin Name
A0-A18
WE
CE1, CE2
OE
LB
UB
I/O0-I/O15
VCC
VSS
NC
Pin Function
Address Inputs
Write Enable Input
Chip Enable Input
Output Enable Input
Lower Byte Enable Input
Upper Byte Enable Input
Data Inputs/Outputs
Power
Ground
Not Connected
©2008 SCILLC. All rights reserved.
July 2008 - Rev. 8
Publication Order Number:
N08L63W2A/D






N08L63W2A Datasheet, Funktion
N08L63W2A
www.DataSheet4U.com
Timing of Read Cycle (CE1 = OE = VIL, WE = CE2 = VIH)
tRC
Address
tAA, tAAP
tOH
Data Out
Previous Data Valid
Timing Waveform of Read Cycle (WE=VIH)
tRC
Address
tAA, tAAP
CE1
CE2
OE
LB, UB
Data Out
tCO
tLZ
tOE
tOLZ
tLBLZ, tUBLZ
High-Z
tLB, tUB
Data Valid
tHZ
tOHZ
tLBHZ, tUBHZ
Data Valid
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