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N04L63W1A 데이터시트 PDF




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부품번호 N04L63W1A 기능
기능 4Mb Ultra-Low Power Asynchronous CMOS SRAM 256K x 16 bit
제조업체 ON Semiconductor
로고 ON Semiconductor 로고


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N04L63W1A 데이터시트, 핀배열, 회로
N04L63W1Awww.DataSheet4U.com
4Mb Ultra-Low Power Asynchronous CMOS SRAM
256K × 16 bit
Overview
Features
The N04L63W1A is an integrated memory device
containing a 4 Mbit Static Random Access Memory
organized as 262,144 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 a single chip
enable (CE) control 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. The N04L63W1A 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 256Kb x 16 SRAMs.
Product Family
• 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
0.8mA at 3.0V and 1µs (Typical)
• Simple memory control
Single Chip Enable (CE)
Output Enable (OE) for memory expansion
• Low voltage data retention
Vcc = 1.8V
• Very fast output enable access time
25ns OE access time
• Automatic power down to standby mode
• TTL compatible three-state output driver
• Compact space saving BGA package avail-
able
Part Number
N04L63W1AB
N04L63W1AT
N04L63W1AB2
N04L63W1AT2
Package Type
Operating
Temperature
Power
Supply
(Vcc)
Speed
Options
Standby
Operating
Current (ISB), Current (Icc),
Typical
Typical
48 - BGA
44 - TSOP II
48 - BGA Green
-40oC to +85oC
2.3V - 3.6V
70ns @ 2.7V
55ns @ 2.7V
4 µA
2 mA @ 1MHz
44 - TSOP II Green
Pin Configurations
A4
A3
A2
A1
A0
CE
I/O0
I/O1
I/O2
I/O3
VCC
VSS
I/O4
I/O5
I/O6
I/O7
WE
A16
A15
A14
A13
A12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
PIN
ONE
44 A5
43 A6
42 A7
41 OE
40 UB
39 LB
38 I/O15
37 I/O14
36 I/O13
35 I/O12
34 VSS
33 VCC
32 I/O11
31 I/O10
30 I/O9
29 I/O8
28 NC
27 A8
26 A9
25 A10
24 A11
23 A17
123456
A LB OE A0
B I/O8 UB A3
C I/O9 I/O10 A5
A1 A2 NC
A4 CE 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 NC A8 A9 A10 A11 NC
48 Pin BGA (top)
6 x 8 mm
Pin Descriptions
Pin Name
A0-A17
WE
CE
OE
LB
UB
I/O0-I/O15
NC
VCC
VSS
Pin Function
Address Inputs
Write Enable Input
Chip Enable Input
Output Enable Input
Lower Byte Enable Input
Upper Byte Enable Input
Data Inputs/Outputs
Not Connected
Power
Ground
©2008 SCILLC. All rights reserved.
July 2008 - Rev. 13
Publication Order Number:
N04L63W1A/D




N04L63W1A pdf, 반도체, 판매, 대치품
N04L63W1A
Power Savings with Page Mode Operation (WE = VIH)
www.DataSheet4U.com
Page Address (A4 - A17 )
Word Address (A0 - A3)
CE
Word 1
Open page
Word 2
...
Word 16
OE
LB, UB
Note: Page mode operation is a method of addressing the SRAM to save operating current. The internal
organization of the SRAM is optimized to allow this unique operating mode to be used as a valuable power
saving feature.
The only thing that needs to be done is to address the SRAM in a manner that the internal page is left open
and 16-bit words of data are read from the open page. By treating addresses A0-A3 as the least significant
bits and addressing the 16 words within the open page, power is reduced to the page mode value which is
considerably lower than standard operating currents for low power SRAMs.
Rev. 13 | Page 4 of 10 | www.onsemi.com

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N04L63W1A 전자부품, 판매, 대치품
N04L63W1A
Timing Waveform of Write Cycle (WE control)
tWC
Address
CE
tAW
tCW
tBW
tWR
LB, UB
WE
Data In
tAS
High-Z
tWHZ
tWP
tDW tDH
Data Valid
tOW
High-Z
Data Out
Timing Waveform of Write Cycle (CE Control)
tWC
Address
CE
LB, UB
tAW
tCW
tAS
tBW
tWR
tWP
WE
tDW tDH
Data In
Data Out
Data Valid
tLZ
tWHZ
High-Z
Rev. 13 | Page 7 of 10 | www.onsemi.com
www.DataSheet4U.com

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부품번호상세설명 및 기능제조사
N04L63W1A

4Mb Ultra-Low Power Asynchronous CMOS SRAM 256K x 16 bit

ON Semiconductor
ON Semiconductor

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