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  ON Semiconductor Electronic Components Datasheet  

N08L63W2A Datasheet

8Mb Ultra-Low Power Asynchronous CMOS SRAM 512K X 16bit

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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
70ns@2.7V
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


  ON Semiconductor Electronic Components Datasheet  

N08L63W2A Datasheet

8Mb Ultra-Low Power Asynchronous CMOS SRAM 512K X 16bit

No Preview Available !

N08L63W2A pdf
N08L63W2A
Functional Block Diagram
Address
Inputs
A0 - A3
Word
Address
Decode
Logic
www.DataSheet4U.com
Address
Inputs
A4 - A18
Page
Address
Decode
Logic
CE1
CE2
WE Control
OE Logic
UB
LB
32K Page
x 16 word
x 16 bit
RAM Array
Input/
Output
Mux
and
Buffers
I/O0 - I/O7
I/O8 - I/O15
Functional Description
CE1 CE2 WE OE UB LB
I/O0 - I/O151
MODE
POWER
HXXXXX
XLXXXX
XXXXHH
L H L X3 L1 L1
L H H L L1 L1
L H H H L1 L1
High Z
High Z
High Z
Data In
Data Out
High Z
Standby2
Standby2
Standby2
Write3
Read
Active
Standby
Standby
Standby
Active
Active
Active
1. When UB and LB are in select mode (low), I/O0 - I/O15 are affected as shown. When LB only is in the select mode only I/O0 - I/O7
are affected as shown. When UB is in the select mode only I/O8 - I/O15 are affected as shown.
2. When the device is in standby mode, control inputs (WE, OE, UB, and LB), address inputs and data input/outputs are internally
isolated from any external influence and disabled from exerting any influence externally.
3. When WE is invoked, the OE input is internally disabled and has no effect on the circuit.
Capacitance1
Item
Symbol
Test Condition
Input Capacitance
I/O Capacitance
CIN VIN = 0V, f = 1 MHz, TA = 25oC
CI/O VIN = 0V, f = 1 MHz, TA = 25oC
1. These parameters are verified in device characterization and are not 100% tested
Min Max Unit
8 pF
8 pF
Rev. 8 | Page 2 of 10 | www.onsemi.com


Part Number N08L63W2A
Description 8Mb Ultra-Low Power Asynchronous CMOS SRAM 512K X 16bit
Maker ON Semiconductor
Total Page 10 Pages
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