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PDF IS29LV032B Data sheet ( Hoja de datos )
| Número de pieza | IS29LV032B | |
| Descripción | 32 Megabit (4096K x 8-bit / 2048K x 16-bit) Flash Memory Boot Sector Flash Memory | |
| Fabricantes | ISSI | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IS29LV032B (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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IS29LV032T/B
IS29LV032T/B
32 Megabit (4096K x 8-bit / 2048K x 16-bit) Flash Memory
Boot Sector Flash Memory, CMOS 3.0 Volt-only
FEATURES
• Single power supply operation
- Full voltage range: 2.7 to 3.6 volts read and
write operations
• High performance
- Access time 70 ns
- 90 ns devices (Call Factory)
• Low power consumption (typical values at
5 MHz)
- 9 mA typical active read current
- 20 mA typical program/erase current
- Less than 1 μA current in standby or automatic
sleep mode
• Flexible Sector Architecture:
- Eight 8-Kbyte sectors, sixty-three 64k-byte
sectors
- 8-Kbyte sectors for Top or Bottom boot
- Sector Group protection:
Hardware locking of sectors to prevent
program or erase operations within individual
sectors
Additionally, temporary Sector Unprotect
allows code changes in previously locked
sectors
• Secured Silicon Sector
- Provides a 128-words area for code or data
that can be permanently protected.
- Once this sector is protected, it is prohibited
to program or erase within the sector again.
• High performance program/erase speed
- Word program time: 15µs typical
- Sector erase time: 100ms typical
- Chip erase time: 8s typical
• JEDEC Standard compatible
• Standard DATA# polling and toggle bits
feature
• Erase Suspend / Resume modes:
Read and program another Sector during
Erase Suspend Mode
• Support JEDEC Common Flash Interface
(CFI).
• Low Vcc write inhibit < 2.5V
• Minimum 100K program/erase endurance
cycles
• RESET# hardware reset pin
- Hardware method to reset the device to read
mode
• WP#/ACC input pin
- Write Protect (WP#) function allows
protection of outermost two boot sectors,
regardless of sector protect status
- Acceleration (ACC) function provides
accelerated program times
• Package Options
- 48-pin TSOP (Type 1)
- 48 ball 6mm x 8mm TFBGA (Call Factory)
• Industrial Temperature Range (-40 to 85 C)
• Automotive Grades Range (Call Factory)
GENERAL DESCRIPTION
The IS29LV032T/B is a 32-Megabit, electrically erasable, read/write non-volatile flash memory,
organized as 4,194,304 bytes or 2.097,152 words available in top or bottom boot configurations.
Any word can be programmed typically in 15µs. The IS29LV032T/B features 3.0V voltage read and
write operation, with access times as fast as 70ns to eliminate the need for WAIT states in high-
performance microprocessor systems.
The IS29LV032T/B has separate Output Enable (OE#), Chip Enable (CE#), and Write Enable (WE#)
controls, which eliminate bus contention issues. This device is designed to allow either single Sector
or full Chip erase operation, where each Sector can be individually protected against program/erase
operations or temporarily unprotected to erase or program. The device can sustain a minimum of
100K program/erase cycles on each Sector.
.
Integrated Silicon Solution, Inc.- www.issi.com
Rev. D
07/16/2014
1
1 page  
SA40
SA41
SA42
SA43
SA44
SA45
SA46
SA47
SA48
SA49
SA50
SA51
SA52
SA53
SA54
SA55
SA56
SA57
SA58
SA59
SA60
SA61
SA62
SA63
SA64
SA65
SA66
SA67
SA68
SA69
SA70
101000xxx
101001xxx
101010xxx
101011xxx
101100xxx
101101xxx
101110xxx
101111xxx
110000xxx
110001xxx
110010xxx
110011xxx
110100xxx
110101xxx
110110xxx
110111xxx
111000xxx
111001xxx
111010xxx
111011xxx
111100xxx
111101xxx
111110xxx
111111000
111111001
111111010
111111011
111111100
111111101
111111110
111111111
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
64/32
8/4
8/4
8/4
8/4
8/4
8/4
8/4
8/4
280000–28FFFF
290000–29FFFF
2A0000–2AFFFF
2B0000–2BFFFF
2C0000–2CFFFF
2D0000–2DFFFF
2E0000–2EFFFF
2F0000–2FFFFF
300000–30FFFF
310000–31FFFF
320000–32FFFF
330000–33FFFF
340000–34FFFF
350000–35FFFF
360000–36FFFF
370000–37FFFF
380000–38FFFF
390000–39FFFF
3A0000–3AFFFF
3B0000–3BFFFF
3C0000–3CFFFF
3D0000–3DFFFF
3E0000–3EFFFF
3F0000–3F1FFF
3F2000–3F3FFF
3F4000–3F5FFF
3F6000–3F7FFF
3F8000–3F9FFF
3FA000–3FBFFF
3FC000–3FDFFF
3FE000–3FFFFF
IS29LV032T/B
140000–147FFF
148000–14FFFF
150000–157FFF
158000–15FFFF
160000–167FFF
168000–16FFFF
170000–177FFF
178000–17FFFF
180000–187FFF
188000–18FFFF
190000–197FFF
198000–19FFFF
1A0000–1A7FFF
1A8000–1AFFFF
1B0000–1B7FFF
1B8000–1BFFFF
1C0000–1C7FFF
1C8000–1CFFFF
1D0000–1D7FFF
1D8000–1DFFFF
1E0000–1E7FFF
1E8000–1EFFFF
1F0000–1F7FFF
1F8000–1F8FFF
1F9000–1F9FFF
1FA000–1FAFFF
1FB000–1FBFFF
1FC000–1FCFFF
1FD000–1FDFFF
1FE000–1FEFFF
1FF000–1FFFFF
Note: The address bus is A20:A-1 in byte mode where BYTE# = VIL or A20:A0 in word mode where
BYTE# = VIH
Table 2B. Top Boot Security Sector Address (IS29LV032T)
Sector Address
A20 ~ A12
111111111
Sector Size
(bytes / words)
256 / 128
Address Range (h)
Byte mode (x8)
3FFF00–3FFFFF
Address Range (h)
Word Mode (x16)
1FFF80–1FFFFF
Integrated Silicon Solution, Inc.- www.issi.com
Rev. D
07/16/2014
5
5 Page 
USER MODE DEFINITIONS
Word / Byte Configuration
IS29LV032T/B
The signal set on the BYTE# pin controls whether the device data I/O pins DQ15-DQ0 operate in the
byte or word configuration. When the BYTE# Pin is set at logic ‘1’, then the device is in word
configuration, DQ15-DQ0 are active and are controlled by CE# and OE#.
On the other hand, if the BYTE# Pin is set at logic ‘0’, then the device is in byte configuration, and only
data I/O pins DQ0-DQ7 are active and controlled by CE# and OE#. The data I/O pins DQ8-DQ14 are
tri-stated, and the DQ15 pin is used as an input for the LSB (A-1) address function.
Standby Mode
The IS29LV032T/B has a CMOS-compatible standby mode, which reduces the current to < 1µA (typical).
It is placed in CMOS-compatible standby when the CE# pin is at VCC ± 0.5. RESET# and BYTE# pin
must also be at CMOS input levels. The device also has a TTL-compatible standby mode, which
reduces the maximum VCC current to < 1mA. It is placed in TTL-compatible standby when the CE# pin
is at VIH. When in standby modes, the outputs are in a high-impedance state independent of the OE#
input.
Automatic Sleep Mode
The IS29LV032T/B has an automatic sleep mode, which minimizes power consumption. The devices
will enter this mode automatically when the states of address bus remain stable for tacc + 30ns. ICC4 in
the DC Characteristics table shows the current specification. With standard access times, the device
will output new data when addresses change.
Read Mode
The device is automatically set to reading array data after device power-up or hardware reset. No
commands are required to retrieve data. The device is also ready to read array data after completing an
Embedded Program or Embedded Erase algorithm.
After the device accepts a Sector Erase Suspend command, the device enters the Sector Erase
Suspend mode. The system can read array data using the standard read timings, except that if it reads
at an address within erase-suspended sectors, the device outputs status data. After completing a
programming operation in the Sector Erase Suspend mode, the system may once again read array
data with the same exception. See “Sector Erase Suspend/Resume Commands” for more additional
information.
The system must issue the reset command to re-enable the device for reading array data if DQ5 goes
high or while in the autoselect mode. See the “Reset Command” for additional details.
Output Disable Mode
When the OE# pin is at a logic high level (VIH), the output from the IS29LV032T/B is disabled. The
output pins are placed in a high impedance state.
Autoselect Identification Mode
The autoselect mode provides manufacturer and device identification, and sector protection verification,
through identifier codes output on DQ15–DQ0. This mode is primarily intended for programming
equipment to automatically match a device to be programmed with its corresponding programming
algorithm. However, the autoselect codes can also be accessed in-system through the command
register.
Integrated Silicon Solution, Inc.- www.issi.com
Rev. D
07/16/2014
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet IS29LV032B.PDF ] | |
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