Innostor Technology Corporation

IS917 USB3.0 Flash Disk Controller

IS917
USB3.0 Flash Disk Controller

Specification

Copyright © 2013 Innostor Technology Corporation.

All rights reserved.

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 Innostor Technology Corporation
IS917 USB3.0 Flash Disk Controller

© Copyright Innostor Technology Corporation

All Rights Reserved.

No part of this document may be reproduced or transmitted in any form or by any means. All
information contained in this document is subject to change without notice. The products described in this
document are not intended for use implantation or other life supports application where malfunction may
result in injury or death to persons. The information contained in this document does not affect or change
Innostor Technology Corporation product specification or warranties. Nothing in this document shall
operate as an express or implied license or environments, and is presented as an illustration. The results
obtained in other operating environments may vary.

THE INFORMATION CONTAINED IN THIS DOCUMENT IS PROVIDED ON AN “AS IS” BASE. In no

event will Innostor be liable for damages arising directly or indirectly from any use of the information
contained in this document.

Innostor Technology Corporation

th
2F, No.8, Lane 32, Xianzheng 5 St.,
Jhubei City, Hsinchu County 302, Taiwan

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IS917 USB3.0 Flash Disk Controller

Table of Contents :

1. DESCRIPTION ........................................................................................................ 4

2. FEATURES ............................................................................................................. 4

3. PIN ASSIGNMENT .................................................................................................. 5

3.1 QFN-48 Pin Assignment.......................................................................... 5
3.2 Pin Descriptions ...................................................................................... 6

4. SYSTEM APPLICATION CONFIGURATIONS ......................................................... 8

4.1 Controller Block Diagram ....................................................................... 8
4.2 QFN-48 configuration examples ............................................................ 8
4.3 System Block Diagram ........................................................................... 9
4.4 Reference Controller Circuit .................................................................. 10

5. ELECTRICAL CHARACTERISTICS ................................................................... 111

5.1 Absolute Maximum Ratings ............................................................... 111
5.2 Operating Conditions.......................................................................... 111
5.3 DC Characteristics .............................................................................. 122
DC Characteristics of 3.3V IO ........................................................................ 122
DC Characteristics of 1.8V IO ........................................................................ 122

6. PACKAGE INFORMATION ................................................................................. 133

6.1 QFN-48 package outline dimension ................................................... 133
6.2 QFN-48 package reference layout/stencil pad dimension ............... 144

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IS917 USB3.0 Flash Disk Controller

1. Description
IS917 is the latest USB-3.0 interface Nand Flash Controller. With flexible firmware code supporting,
IS917 can support various flash technology including 8k / 16k page TLC / MLC / SLC by different
2xnm / 2ynm / 1xnm / 1ynm process for major flash vendors.

2. Features
One Channel data bus by small footprint package
Up to 8 CEs supported(Die form)
ECC protect up to 70 bit ( configurable ) by 1K bytes
2xnm, 2ynm, 1xnm, 1ynm : SLC / MLC / TLC types NAND Flash supported
ONFI 2.1 spec. interface supported
Toggle DDR interface supported
Compliant with USB 3.0 spec. version 1.0
Compliant with USB 2.0 spec. backward compatible with USB1.1
Compliant with USB Mass Storage Class spec. version 1.0
High performance 8051 with hardware acceleration DMA
F/W off-load engine embedded
1.2V low power consumption design
LED indicator to show link status and r/w traffic
Customized VID/ PID with serial number
Built-in LDO regulator

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IS917 USB3.0 Flash Disk Controller

3. Pin Assignment
3.1 QFN-48 Pin Assignment

VCC33A
SS_TXM

SS_TXP
VCC12A
SS_RXM

SS_RXP
GND

GND

GND

GND
DM
DP
36

35

34

33

32

31

30

29

28

27

26

25
10

11

12
1

9
DAT[7]
DAT[6]
DAT[5]
DAT[4]
VCCQ
DQS
DVDD12
DAT[3]
DAT[2]
DAT[1]
DAT[0]
VCC18O

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IS917 USB3.0 Flash Disk Controller

3.2 Pin Descriptions

Pull
Pin Name Pin # Attribute Description
up/Down

DAT[7] 1 Down I/O Flash data bit [7]

DAT[6] 2 Down I/O Flash data bit [6]

DAT[5] 3 Down I/O Flash data bit [5]

DAT[4] 4 Down I/O Flash data bit [4]

VCCQ 5 PWR 3.3V/1.8V IO Power input

DQS 6 Down I/O Flash DQS

DVDD12 7 PWR 1.2V Core power input

DAT[3] 8 Down I/O Flash data bit [3]

DAT[2] 9 Down I/O Flash data bit [2]

DAT[1] 10 Down I/O Flash data bit [1]

DAT[0] 11 Down I/O Flash data bit [0]

VCC18O 12 PWR Regulator 1.8V output

AVDD33O 13 PWR Regulator 3.3V output

VDD5I 14 PWR Regulator 5V input

GND 15 GND GND

LXO 16 PWR LXO

DVDD12 17 PWR 1.2V Core power input

LED_RW 18 I/O R/W Access LED

DVCC33 19 PWR 3.3V IO Power input

LED_U3 20 I/O USB Mode LED, tie to GND

MODE[0] 21 Down I Test mode pin, tie to GND

MODE[1] 22 Down I Test mode pin, tie to GND

MODE[2] 23 Down I Test mode pin, tie to GND

RST# 24 Up I Reset

GND 25 GND GND

SS_RXP 26 I/O USB 3.0 differential receive pin positive

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IS917 USB3.0 Flash Disk Controller

GND 27 GND GND

SS_RXM 28 I/O USB 3.0 differential receive pin negative

VCC12A 29 PWR 1.2V analog power input

SS_TXP 30 I/O USB 3.0 differential transmit pin positive

GND 31 GND GND

SS_TXM 32 I/O USB 3.0 differential transmit pin negative

VCC33A 33 PWR 3.3V analog power input

DP 34 I/O USB 2.0 differential pin plus

DM 35 I/O USB 2.0 differential pin minus

GND 36 GND GND

DVDD12 37 PWR 1.2 core power input

WP# 38 O Flash write protection

CE_3 39 O Flash chip enable 3

CE_2 40 O Flash chip enable 2

CE_1 41 O Flash chip enable 1

CE_0 42 O Flash chip enable 0

VCCQ 43 PWR 3.3/1.8V IO power

RB# 44 Up I Flash Ready / Busy Status

CLE 45 O Flash Channel Command latch

ALE 46 O Flash Channel Address latch

WE# 47 O Flash Channel WE#

RE# 48 O Flash Channel RE#

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IS917 USB3.0 Flash Disk Controller

4. System Application Configurations

4.1 Controller Block Diagram

4.2 QFN-48 configuration examples

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IS917 USB3.0 Flash Disk Controller

4.3 System Block Diagram

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IS917 USB3.0 Flash Disk Controller

4.4 Reference Controller Circuit

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IS917 USB3.0 Flash Disk Controller

5. Electrical Characteristics
5.1 Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit
Storage Temperature Tstorage -40 150 C
5.0V supply power Vin50 -0.3 5.5* V
3.3V supply power Vin33 -0.3 3.63 V
1.2V supply power Vin12 -0.3 1.32 V
1.8V supply power Vin18 -0.3 1.98 V
*: Vbus spec maximum is 5.5V , 5.5V~6V also can pass internal test criterion for spike case.

5.2 Operating Conditions

Parameter Symbol Min. Max. Unit
Operating Temperature Toperating 0 70 C
USB VBUS VBUS 4.5 5.5* V
Regulator 5V IN V5IN 4.5 5.5* V
Regulator 3.3V IN V33I 3.0 3.6 V
Analog 3.3V power VCC33A 3.15 3.45 V
Analog 1.2V power VCC12A 1.14 1.26 V
Digital 3.3V power DVDD33 2.97 3.63 V
Digital 1.2V power DVDD12 1.08 1.32 V
*: Vbus spec maximum is 5.5V , 5.5V~6V also pass internal test criterion for spike case.

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IS917 USB3.0 Flash Disk Controller

5.3 DC Characteristics

DC Characteristics of 3.3V IO
Parameter Symbol Min. Typ. Max. Unit
Digital 3.3V power DVCC33/VCCQ 2.97 3.3 3.63 V
Input low voltage Vil -0.3 0.8 V
Input high voltage Vih 2.0 DVCC33+0.3 V
Output low voltage Vol 0.4 V
Output high voltage Voh 2.4 V
Pull-up resistance Rpu 59 78 123 KΩ
Pull-down resistance Rpd 49 72 150 KΩ

DC Characteristics of 1.8V IO
Parameter Symbol Min. Typ. Max. Unit
Digital 3.3V power VCCQ 1.62 1.8 1.98 V
Input low voltage Vil -0.3 0.35*VCCQ V
Input high voltage Vih 0.65*VCCQ VCCQ+0.3 V
Output low voltage Vol 0.45 V
Output high voltage Voh VCCQ-0.45 V
Pull-up resistance Rpu 112 176 320 KΩ
Pull-down resistance Rpd 104 181 421 KΩ

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6. Package Information
6.1 QFN-48 package outline dimension

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IS917 USB3.0 Flash Disk Controller

6.2 QFN-48 package reference layout/stencil pad dimension

Suggestion Layout Pad

Suggestion Exposed Pad Stencil opening

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