UPD444016LE-12 NEC, UPD444016LE-12 Datasheet

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UPD444016LE-12

Manufacturer Part Number
UPD444016LE-12
Description
UPD444016LE-124M-BIT CMOS FAST SRAM 256K-WORD BY 16-BIT
Manufacturer
NEC
Datasheet
Document No. M14430EJ4V0DS00 (4th edition)
Date Published January 2001 NS CP(K)
Printed in Japan
查询UPD444016G5-10-7JF供应商
查询UPD444016G5-10-7JF供应商
Description
Features
Ordering Information
262,144 words by 16 bits organization
Fast access time : 8, 10, 12 ns (MAX.)
Byte data control : /LB (I/O1 - I/O8), /UB (I/O9 - I/O16)
Output Enable input for easy application
Single +5.0 V power supply
PD444016LE-8
PD444016LE-10
PD444016LE-12
PD444016G5-8-7JF
PD444016G5-10-7JF
PD444016G5-12-7JF
The PD444016 is a high speed, low power, 4,194,304 bits (262,144 words by 16 bits) CMOS static RAM.
Operating supply voltage is 5.0 V
The PD444016 is packaged in 44-pin plastic SOJ and 44-pin plastic TSOP (II).
Part number
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
44-pin plastic TSOP (II)
44-pin plastic SOJ
(10.16 mm (400))
(10.16 mm (400))
(Normal bent)
4M-BIT CMOS FAST SRAM
Package
0.5 V.
The mark • • • • shows major revised points.
256K-WORD BY 16-BIT
DATA SHEET
Access time
ns (MAX.)
10
12
10
12
8
8
MOS INTEGRATED CIRCUIT
At operating
Supply current mA (MAX.)
220
200
190
220
200
190
PD444016
©
At standby
10
1999

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UPD444016LE-12 Summary of contents

Page 1

... PD444016G5-12-7JF The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. Not all devices/types available in every country. Please check with local NEC representative for availability and additional information. Document No. M14430EJ4V0DS00 (4th edition) ...

Page 2

... A0 - A17 : Address Inputs I/O1 - I/O16 : Data Inputs / Outputs /CS : Chip Select /WE : Write Enable /OE : Output Enable /LB, /UB : Byte data select V : Power supply CC GND : Ground connection Data Sheet M14430EJ4V0DS PD444016 A17 A16 A15 /OE /UB /LB I/O16 I/O15 I/O14 I/O13 GND V CC I/O12 I/O11 I/O10 ...

Page 3

Block Diagram A0 | A17 I/O1 - I/O8 I/O9 - I/O16 /WE /CS /LB /UB / GND Truth Table /CS /OE /WE /LB / ...

Page 4

Electrical Specifications Absolute Maximum Ratings Parameter Supply voltage Input / Output voltage Operating ambient temperature Storage temperature Note –2.0 V (MIN.) (pulse width : 2 ns) Caution Exposing the device to stress above those listed in Absolute Maximum Rating could ...

Page 5

DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted) Parameter Symbol Input leakage current I LI Output leakage current I LO Operating supply current I CC Standby supply current SB1 High level output voltage V OH Low level ...

Page 6

AC Characteristics (Recommended Operating Conditions Unless Otherwise Noted) AC Test Conditions Input Waveform (Rise and Fall Time 3.0 V 1.5 V GND Output Waveform 1.5 V Output Load AC characteristics directed with the note should be measured with the output ...

Page 7

Read Cycle Parameter Read cycle time Address access time /CS access time /OE access time /LB, /UB access time Output hold from address change /CS to output in low impedance /OE to output in low impedance /LB, /UB to output ...

Page 8

Read Cycle Timing Chart 2 (/CS Access) Address (Input) /CS (Input) /OE (Input) /LB, /UB (Input) High impedance I/O (Output) Caution Address valid prior to or coincident with /CS low level input. Remark In read cycle, /WE should be fixed ...

Page 9

Write Cycle Parameter Write cycle time /CS to end of write Address valid to end of write Write pulse width /LB, /UB to end of write Data valid to end of write Data hold time Address setup time Write recovery ...

Page 10

Write Cycle Timing Chart 2 (/CS Controlled) Address (Input) /CS (Input) /WE (Input) /LB, /UB (Input) High impedance I/O (Input) Cautions 1. /CS or /WE should be fixed to high level during address transition not input data to ...

Page 11

Write Cycle Timing Chart 3 (/LB, /UB Controlled) Address (Input) /CS (Input) /WE (Input) /LB, /UB (Input) High impedance I/O (Input) Cautions 1. /CS or /WE should be fixed to high level during address transition not input data ...

Page 12

Package Drawings 44-PIN PLASTIC SOJ (10.16 mm (400 NOTE Each lead centerline is located within 0. its true position (T.P.) at maximum material condition ...

Page 13

PLASTIC TSOP (II) (10.16 mm (400 NOTE Each lead centerline is located within 0. its true position (T.P.) at maximum material condition ...

Page 14

Recommended Soldering Conditions Please consult with our sales offices for soldering conditions of the PD444016. Types of Surface Mount Device PD444016LE : 44-pin plastic SOJ (10.16 mm (400)) PD444016G5-7JF : 44-pin plastic TSOP (II) (10.16 mm (400)) (Normal bent) 14 ...

Page 15

... HANDLING OF UNUSED INPUT PINS FOR CMOS Note: No connection for CMOS device inputs can be cause of malfunction connection is provided to the input pins possible that an internal input level may be generated due to noise, etc., hence causing malfunction. CMOS devices behave differently than Bipolar or NMOS devices. Input levels of CMOS devices must be fixed high or low by using a pull-up or pull-down circuitry ...

Page 16

... NEC does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of NEC semiconductor products listed in this document or any other liability arising from the use of such products. No license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC or others ...

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