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PDF W7G1M32SVx-BN Data sheet ( Hoja de datos )
| Número de pieza | W7G1M32SVx-BN | |
| Descripción | Boot Sector Flash Memory Module | |
| Fabricantes | White Electronic Designs | |
| Logotipo |  |
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White Electronic Designs
W7G1M32SVx-BN
W7G21M32SVx-BN
PRELIMINARY*
8MB/4MB (2x1Mx32 / 1Mx32) CMOS, Boot Sector Flash
Memory Module
DESCRIPTION
The W7G1M32SVx-BN and W7G21M32SVx-BN are
organized as one and two banks of 1Mx32 respectively.
The modules are based on AMDs AM29LV160DT - 1Mx16
or STs M29W160ET (optional) Flash device in TSOP
packages which are mounted on an FR4 substrate.
Both modules offer access times between 70 and 120ns
allowing for operation of high-speed microprocessors
www.DawtaitShhoeuett4wUa.ictosmtates.
FEATURES
1Mx32 and 2x1Mx32 Densities
Based on AMD – AM29LV160DT Flash Device
STs M29W160ET (optional)
Fast Read Access Time – 70ns
3.3V Only Reprogramming
Flexible, Sector Architecture
• One 16Kbyte, two 8Kbyte, one 32Kbyte and
thirty-one 64Kbyte sectors.
• Any combination of sectors can be erased
• Also supports full chip erase
Top boot block configurations
• Bottom boot block optional. Contact WEDC.
Embedded Erase Algorithms
• Automatically preprograms and erases the chip
or any combination of sectors
Embedded Program Algorithms
• Automatically programs and verifies data at
specified address
Data Polling and Toggle Bit feature for detection of
program or erase cycle completion
Low Power Dissipation
• 30mA per Device Active Current
• 10µA per Device CMOS Standby Current
Single 3.3V ±10% Supply
CMOS and TTL Compatible Inputs and Outputs
Commercial and industrial operating temperature
range
• BNC = 0°C to 70°C Commercial
• BNI = -40°C to 85°C Industrial
Package
• 80 Pin SIMM (JEDEC) Standard
* This product is under development, is not qualified or characterized and is subject to
change without notice.
FIG. 1 – BLOCK DIAGRAMS
W7G1M32SVx-BN: 1Mx32 80 PIN SIMM
WE2#
1Mx16
WE#
DQ0-15
CE# Addr
CE# 0-19
DQ16-31
WE0#
CE0#
1Mx16
WE#
DQ0-15
CE# Addr
CE# 0-19
DQ0-15
OE#
Addr 0-19
W7G21M32SVx-BN: 2x1Mx32 80 PIN SIMM
WE2#
WE0#
1Mx16
WE#
DQ0-15
CE# Addr
CE# 0-19
CE0#
1Mx16
WE#
DQ0-15
CE# Addr
CE# 0-19
OE#
Addr 0-19
1Mx16
WE#
DQ0-15
CE# Addr
CE# 0-19
CE1#
1Mx16
WE#
DQ0-15
CE# Addr
CE# 0-19
DQ16-31
DQ0-15
Feb. 2004
Rev. 2
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
1 page  
White Electronic Designs
W7G1M32SVx-BN
W7G21M32SVx-BN
PRELIMINARY
ABSOLUTE MAXIMUM RATINGS
Storage Temperature
Plastic Packages ................................. –65°C to +150°C
Ambient Temperature
with Power Applied ............................... –65°C to +125°C
Voltage with Respect to Ground
VCC (Note 1) ...................................... –0.5 V to +4.0 V
A9, OE#, and RESET# (Note 2) ...... –0.5 V to +12.5 V
All other pins
www.DataSheet4U.com
(Note
1)
..................
–0.5
V
to
VCC+0.5
V
Output Short Circuit Current (Note 3) ................. 200 mA
OPERATING RANGES
Commercial (C) Devices
Ambient Temperature (TA) ........................ 0°C to +70°C
Industrial (I) Devices
Ambient Temperature (TA) .................... –40°C to +85°C
VCC Supply Voltages
VCC for all devices .................................... 2.7 V to 3.6 V
Operating ranges define those limits between which the functionality of the device is
guaranteed.
Notes:
1. Minimum DC voltage on input or I/O pins is –0.5 V. During voltage transitions,
input or I/O pins may overshoot VSS to –2.0 V for periods of up to 20 ns. See
Figure 7. Maximum DC voltage on input or I/O pins is VCC +0.5 V. During voltage
transitions, input or I/O pins may overshoot to VCC +2.0 V for periods up to 20
ns. See Figure 8.
2. Minimum DC input voltage on pins A9, OE#, and RESET# is -0.5 V. During
voltage transitions, A9, OE#, and RESET# may overshoot VSS to –2.0 V for
periods of up to 20 ns. See Figure 7. Maximum DC input voltage on pin A9 is
+12.5 V which may overshoot to 14.0 V for periods up to 20 ns.
3. No more than one output may be shorted to ground at a time. Duration of the
short circuit should not be greater than one second.
Stresses above those listed under “Absolute Maximum Ratings” may cause permanent
damage to the device. This is a stress rating only; functional operation of the device at
these or any other conditions above those indicated in the operational sections of this
data sheet is not implied. Exposure of the device to absolute maximum rating conditions
for extended periods may affect device reliability.
Feb. 2004
Rev. 2
5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
5 Page | ||
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