IS41LV8205A-60J ISSI, Integrated Silicon Solution Inc, IS41LV8205A-60J Datasheet

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IS41LV8205A-60J

Manufacturer Part Number
IS41LV8205A-60J
Description
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
FPMr
Datasheet

Specifications of IS41LV8205A-60J

Organization
2Mx8
Density
16Mb
Address Bus
11b
Access Time (max)
60ns
Maximum Clock Rate
Not RequiredMHz
Operating Supply Voltage (typ)
3.3V
Package Type
SOJ
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
140mA
Pin Count
28
Mounting
Surface Mount
Lead Free Status / Rohs Status
Not Compliant
IS41LV8205A
2M x 8 (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: 3.3V ± 10%
• Byte Write and Byte Read operation via two CAS
• Lead-free available
PRODUCT SERIES OVERVIEW
PIN CONFIGURATION
28 Pin SOJ
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. C
02/01/05
Copyright © 2005 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time
without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to
obtain the latest version of this device specification before relying on any published information and before placing orders for products.
Part No.
IS41LV8205A
-- 2,048 cycles/32 ms
CAS-before-RAS (CBR), and Hidden
VDD
VDD
RAS
I/O0
I/O1
I/O2
I/O3
A10
WE
NC
A0
A1
A2
A3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Refresh
2K
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
I/O7
I/O6
I/O5
I/O4
CAS
OE
A9
A8
A7
A6
A5
A4
GND
3.3V ± 10%
Voltage
DESCRIPTION
The
mance CMOS Dynamic Random Access Memory. The
Fast Page Mode allows 2,048 random accesses within a
single row with access cycle time as short as 20 ns per 4-
bit word.
These features make the IS41LV8205A ideally suited for
high-bandwidth graphics, digital signal processing, high-
performance computing systems, and peripheral
applications.
The IS41LV8205A is packaged in 28-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-A10
I/O0-7
WE
OE
RAS
CAS
V
GND
NC
DD
ISSI
IS41LV8205A is 2,097,152 x 8-bit high-perfor-
Address Inputs
Write Enable
Output Enable
Row Address Strobe
Column Address Strobe
Power
Ground
No Connection
Data Inputs/Outputs
RAC
CAC
)
)
RC
)
PC
AA
)
FEBRUARY 2005
ISSI
)
-50
50
14
25
20
85
104
-60
60
15
30
25
Unit
ns
ns
ns
ns
ns
®
1

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IS41LV8205A-60J Summary of contents

Page 1

... These features make the IS41LV8205A ideally suited for high-bandwidth graphics, digital signal processing, high- performance computing systems, and peripheral applications. The IS41LV8205A is packaged in 28-pin 300-mil SOJ with JEDEC standard pinouts. KEY TIMING PARAMETERS Voltage 3.3V ± 10% Parameter ...

Page 2

... IS41LV8205A FUNCTIONAL BLOCK DIAGRAM OE WE CAS CAS CONTROL LOGIC RAS RAS RAS CLOCK GENERATOR REFRESH COUNTER ADDRESS BUFFERS A0-A10 TRUTH TABLE Function Standby Read Write: Word (Early Write) Read-Write Hidden Refresh Read Write (1) RAS-Only Refresh CBR Refresh Note: 1. EARLY WRITE only. ...

Page 3

... IS41LV8205A Functional Description The IS41LV8205A is CMOS DRAMs optimized for high- speed bandwidth, low power applications. During READ or WRITE cycles, each bit is uniquely addressed through the 11 address bits. These are entered 11 bits (A0-A10 time. The row address is latched by the Row Address Strobe (RAS). The column address is latched by the Column Address Strobe (CAS) ...

Page 4

... IS41LV8205A ABSOLUTE MAXIMUM RATINGS Symbol Parameters V Voltage on Any Pin Relative to GND T V Supply Voltage DD I Output Current OUT P Power Dissipation D T Storage Temperature STG Note: 1. Stress greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied ...

Page 5

... IS41LV8205A 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 Current: TTL Standby Current: CMOS Operating Current (2,3) Random Read/Write Average Power Supply Current ...

Page 6

... IS41LV8205A (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 from Column-Address AA RAS Pulse Width t RAS RAS Precharge Time t RP CAS Pulse Width ...

Page 7

... IS41LV8205A 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 Hold Time (referenced to RAS) t DHR Column-Address Setup Time to CAS t ACH Precharge during WRITE Cycle ...

Page 8

... IS41LV8205A 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 repeated any time the (MIN) and V (MAX) are reference levels for measuring timing of input signals. Transition times, are measured between V ...

Page 9

... IS41LV8205A READ CYCLE RAS t CRP CAS t ASR ADDRESS Row WE I/O OE Note: is referenced from rising edge of RAS or CAS, whichever occurs last OFF Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. C 02/01/ RAS t CSH t RSH t t CAS RCD RAD RAL t t RAH ASC Column ...

Page 10

... IS41LV8205A READ WRITE CYCLE (LATE WRITE and READ-MODIFY-WRITE CYCLES) RAS t CRP CAS t ASR ADDRESS Row WE I RWC t RAS t CSH t RCD RAD RAH CAH ASC Column t RWD t RCS RAC t CAC t CLZ Open Valid Integrated Silicon Solution, Inc. — 1-800-379-4774 ISSI t RSH t t CAS ...

Page 11

... IS41LV8205A EARLY WRITE CYCLE (OE = DON'T CARE) RAS t CRP CAS t ASR ADDRESS Row WE I/O Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. C 02/01/ RAS t CSH t RSH t t CAS RCD RAD RAL RAH CAH ASC t ACH Column t CWL t RWL t WCR t t WCS WCH t WP ...

Page 12

... IS41LV8205A FAST-PAGE-MODE READ CYCLE RAS t t CRP RCD CAS RAD t RAH t ASR ADDRESS Row t RCS RAC t I RASP t CSH t CAS CPWD t CAH t t ASC ASC t AR Column Column CAC CAC OED t CLZ CLZ OUT Integrated Silicon Solution, Inc. — 1-800-379-4774 ISSI ...

Page 13

... IS41LV8205A FAST-PAGE-MODE READ WRITE CYCLE RAS t t CRP RCD CAS RAD t RAH t ASR ADDRESS Row t RCS RAC t CLZ I/O Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. C 02/01/05 (LATE WRITE and READ-MODIFY-WRITE Cycles) t RASP t CSH t CAS CPWD t CAH t t ASC ASC t Column ...

Page 14

... IS41LV8205A 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 RASP t CSH t CAS CAH t ASC t ASC t AR Column Column t t CWL CWL t t WCH WCS Valid D Valid Integrated Silicon Solution, Inc. — ...

Page 15

... IS41LV8205A RAS RAS RAS-ONLY REFRESH CYCLE RAS RAS RAS t CRP CAS t ASR ADDRESS I/O Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. C 02/01/05 (OE DON'T CARE RAS t RAH Row Open ISSI RPC Row Don’t Care ® 15 ...

Page 16

... IS41LV8205A CBR CBR CBR REFRESH CYCLE CBR CBR (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 RAS RP t RPC t CSR Open (WE = HIGH LOW) t RAS t t RCD RSH RAD RAL RAH ...

Page 17

... IS41LV8205A ORDERING INFORMATION Voltage: 3.3V Speed (ns) Order Part No. 50 IS41LV8205A-50J IS41LV8205A-50JL 60 IS41LV8205A-60J IS41LV8205A-60JL Integrated Silicon Solution, Inc. — 1-800-379-4774 Rev. C 02/01/05 Package 300-mil SOJ 300-mil SOJ, Lead-free 300-mil SOJ 300-mil SOJ, Lead-free ISSI ® 17 ...

Page 18

PACKAGING INFORMATION 300-mil Plastic SOJ Package Code MILLIMETERS Sym. Min. Typ. Max. N0. Leads 24/26 A — — 3.56 A1 0.64 — — A2 2.41 — 2.67 b 0.41 — 0.51 B 0.66 — 0.81 ...

Page 19

PACKAGING INFORMATION 300-mil Plastic SOJ Package Code: J MILLIMETERS Sym. Min. Typ. Max. Min. Typ. Max. N0. Leads 28 A — — 3.56 — A1 0.64 — — 0.025 A2 2.41 — 2.67 0.095 b 0.41 — 0.51 0.016 B ...

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