IS41LV44054-60JL ISSI, Integrated Silicon Solution Inc, IS41LV44054-60JL Datasheet

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IS41LV44054-60JL

Manufacturer Part Number
IS41LV44054-60JL
Description
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
FPMr
Datasheet

Specifications of IS41LV44054-60JL

Organization
4Mx4
Density
16Mb
Address Bus
12b
Access Time (max)
60ns
Maximum Clock Rate
Not RequiredMHz
Operating Supply Voltage (typ)
3.3V
Package Type
SOJ
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
80mA
Pin Count
24
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Compliant
IS41C4405
IS41LV4405
4M x 4 (16-MBIT) DYNAMIC RAM
WITH FAST PAGE MODE
FEATURES
• Fast Page Mode Access Cycle
• TTL compatible inputs and outputs
• Refresh Interval:
• Refresh Mode: RAS-Only,
• Single power supply:
• Byte Write and Byte Read operation via two CAS
• Industrial temperature range -40°C to 85°C
PRODUCT SERIES OVERVIEW
PIN CONFIGURATION
24 (26) Pin SOJ
* A11 is NC for 2K Refresh devices.
ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any
errors which may appear in this publication. © Copyright 2001, Integrated Silicon Solution, Inc.
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. C
06/24/01
Part No.
IS41C44052
IS41C44054
IS41LV44052
IS41LV44054
-- 2,048 cycles/32 ms
-- 4,096 cycles/64 ms
CAS-before-RAS (CBR), and Hidden
5V±10% or 3.3V ± 10%
*A11(NC)
VCC
VCC
RAS
I/O0
I/O1
A10
WE
A0
A1
A2
A3
1
2
3
4
5
6
7
8
9
10
11
12
Refresh
X
2K
4K
2K
4K
X
S
24
23
22
21
20
19
18
17
16
15
14
13
ERIES
GND
I/O3
I/O2
CAS
OE
A9
A8
A7
A6
A5
A4
GND
3.3V ± 10%
3.3V ± 10%
5V ± 10%
5V ± 10%
Voltage
DESCRIPTION
The
CMOS Dynamic Random Access Memory. The Fast
Page Mode allows 2,048 or 4096 random accesses within
a single row with access cycle time as short as 20 ns per
4-bit word.
These features make the 4405x Series ideally suited for
high-bandwidth graphics, digital signal processing,
high-performance computing systems, and peripheral
applications.
The 4405x Series is packaged in a 24-pin 300-mil SOJ
with JEDEC standard pinouts.
KEY TIMING PARAMETERS
PIN DESCRIPTIONS
Parameter
RAS Access Time (t
CAS Access Time (t
Column Address Access Time (t
Fast Page Mode Cycle Time (t
Read/Write Cycle Time (t
A0-A11
A0-A10
I/O0-3
WE
OE
RAS
CAS
Vcc
GND
NC
ISSI
4405x Series is a 4,194,304 x 4-bit high-performance
Data Inputs/Outputs
Address Inputs (4K Refresh)
Address Inputs (2K Refresh)
Write Enable
Output Enable
Row Address Strobe
Column Address Strobe
Power
Ground
No Connection
RAC
CAC
)
)
RC
PC
AA
)
)
)
ISSI
-50
50
13
25
20
84
JUNE 2001
104
-60
60
15
30
25
Unit
ns
ns
ns
ns
ns
®
1

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IS41LV44054-60JL Summary of contents

Page 1

... Single power supply: 5V±10% or 3.3V ± 10% • Byte Write and Byte Read operation via two CAS • Industrial temperature range -40°C to 85°C PRODUCT SERIES OVERVIEW Part No. Refresh IS41C44052 2K IS41C44054 4K IS41LV44052 2K IS41LV44054 4K PIN CONFIGURATION 24 (26) Pin SOJ VCC 1 I/ RAS ...

Page 2

IS41C4405 X IS41LV4405 S X ERIES FUNCTIONAL BLOCK DIAGRAM OE WE CAS CAS CONTROL LOGIC RAS RAS CLOCK GENERATOR REFRESH COUNTER ADDRESS BUFFERS A0-A10(A11) TRUTH TABLE Function Standby Read Write: Word (Early Write) Read-Write Hidden Refresh Read Write (1) RAS-Only ...

Page 3

... IS41LV4405 S X ERIES Functional Description The IS41C4405x and IS41LV4405x are CMOS DRAMs optimized for high-speed bandwidth, low power applications. During READ or WRITE cycles, each bit is uniquely addressed through the address bits. These are entered 11 bits (A0-A10 time for the 2K refresh device or 12 bits (A0-A11 time for the 4K refresh device ...

Page 4

IS41C4405 X IS41LV4405 S X ERIES ABSOLUTE MAXIMUM RATINGS Symbol Parameters V Voltage on Any Pin Relative to GND T V Supply Voltage CC I Output Current OUT P Power Dissipation D T Commercial Operation Temperature A Industrial Operation Temperature ...

Page 5

IS41C4405 X IS41LV4405 S X ERIES ELECTRICAL CHARACTERISTICS (Recommended Operating Conditions unless otherwise noted.) Symbol Parameter I Input Leakage Current IL I Output Leakage Current IO V Output High Voltage Level OH V Output Low Voltage Level OL I Standby ...

Page 6

IS41C4405 X IS41LV4405 S X ERIES (1,2,3,4,5,6) AC CHARACTERISTICS (Recommended Operating Conditions unless otherwise noted.) Symbol Parameter t Random READ or WRITE Cycle Time RC Access Time from RAS t RAC Access Time from CAS t CAC t Access Time ...

Page 7

IS41C4405 X IS41LV4405 S X ERIES AC CHARACTERISTICS (Continued) (Recommended Operating Conditions unless otherwise noted.) Symbol Parameter Write Command to RAS Lead Time t RWL Write Command to CAS Lead Time t CWL t Write Command Setup Time WCS Data-in ...

Page 8

IS41C4405 X IS41LV4405 S X ERIES Notes initial pause of 200 µs is required after power-up followed by eight RAS refresh cycle (RAS-Only or CBR) before proper device operation is assured. The eight RAS cycles wake-up should be ...

Page 9

IS41C4405 X IS41LV4405 S X ERIES FAST-PAGE-MODE READ CYCLE RAS t CRP CAS t ASR ADDRESS Row WE I/O OE Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. C 06/24/ RAS t CSH t RSH ...

Page 10

IS41C4405 X IS41LV4405 S X ERIES FAST PAGE MODE READ-MODIFY-WRITE CYCLE RAS t t CRP RCD CAS RAD t RAH t ASR ADDRESS Row t RCS RAC t I RASP t CSH ...

Page 11

IS41C4405 X IS41LV4405 S X ERIES FAST-PAGE-MODE EARLY WRITE CYCLE RAS t CRP CAS t ASR ADDRESS Row WE I/O Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. C 06/24/01 (OE = DON'T CARE RAS t CSH t ...

Page 12

IS41C4405 X IS41LV4405 S X ERIES FAST-PAGE-MODE READ WRITE CYCLE RAS t CRP CAS t ASR ADDRESS Row WE I (LATE WRITE and READ-MODIFY-WRITE Cycles) t RWC t RAS t CSH t RCD RAD t ...

Page 13

IS41C4405 X IS41LV4405 S X ERIES FAST PAGE MODE EARLY WRITE CYCLE RAS t t CRP RCD CAS RAD t RAH t ASR ADDRESS Row t WCS WE t WCR OE t DHR t DS I/O Integrated ...

Page 14

IS41C4405 X IS41LV4405 S X ERIES AC WAVEFORMS (With WE-Controlled Disable) READ CYCLE RAS t CRP CAS t ASR ADDRESS Row WE I/O OE RAS-ONLY REFRESH CYCLE RAS t CRP CAS t ASR ADDRESS Row I CSH t ...

Page 15

IS41C4405 X IS41LV4405 S X ERIES CBR REFRESH CYCLE (Addresses; WE DON'T CARE RAS t t CHR RPC t CP CAS I/O (1) HIDDEN REFRESH CYCLE RAS t CRP CAS t ASR ADDRESS Row I/O OE ...

Page 16

... Order Part No. Refresh IS41C44054-50J 4K 300-mil SOJ IS41C44054-60J 4K 300-mil SOJ Order Part No. Refresh IS41LV44052-50J 2K 300-mil SOJ IS41LV44052-60J 2K 300-mil SOJ Order Part No. Refresh IS41LV44054-50J 4K 300-mil SOJ IS41LV44054-60J 4K 300-mil SOJ Integrated Silicon Solution, Inc. — 1-800-379-4774 ISSI Package Package Package Package 06/24/01 ® Rev. C ...

Page 17

... SOJ Order Part No. Refresh IS41LV44052-50JI 2K 300-mil SOJ IS41LV44052-60JI 2K 300-mil SOJ Order Part No. Refresh IS41LV44054-50JI 4K 300-mil SOJ IS41LV44054-60JI 4K 300-mil SOJ Integrated Silicon Solution, Inc. ISSI Package Package Package Package ISSI 2231 Lawson Lane Santa Clara, CA 95054 Tel: 1-800-379-4774 Fax: (408) 588-0806 E-mail: sales@issi ...

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