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参数资料
| 型号： | S29AL008D90BFNR11 |
| 厂商： | Spansion Inc. |
| 英文描述： | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| 中文描述： | 8兆位（1 M中的x 8-Bit/512亩x 16位），3.0伏的CMOS只引导扇区闪存 |
| 文件页数： | 5/55页 |
| 文件大小： | 1723K |
| 代理商： | S29AL008D90BFNR11 |
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June 16, 2005 S29AL008D_00A3
S29AL008D
13
Da t a
S h ee t
The device enters the CMOS standby mode when the CE# and RESET# pins are
both held at VCC ± 0.3 V. (Note that this is a more restricted voltage range than
VIH.) If CE# and RESET# are held at VIH, but not within VCC ± 0.3 V, the device
is in the standby mode, but the standby current is greater. The device requires
standard access time (tCE) for read access when the device is in either of these
standby modes, before it is ready to read data.
If the device is deselected during erasure or programming, the device draws ac-
tive current until the operation is completed.
specification.
Automatic Sleep Mode
The automatic sleep mode minimizes Flash device energy consumption. The de-
vice automatically enables this mode when addresses remain stable for tACC + 30
ns. The automatic sleep mode is independent of the CE#, WE#, and OE# control
signals. Standard address access timings provide new data when addresses are
changed. While in sleep mode, output data is latched and always available to the
current specification.
RESET#: Hardware Reset Pin
The RESET# pin provides a hardware method of resetting the device to reading
array data. When the RESET# pin is driven low for at least a period of tRP, the
device immediately terminates any operation in progress, tristates all output
pins, and ignores all read/write commands for the duration of the RESET# pulse.
The device also resets the internal state machine to reading array data. The op-
eration that was interrupted should be reinitiated once the device is ready to
accept another command sequence, to ensure data integrity.
Current is reduced for the duration of the RESET# pulse. When RESET# is held
at VSS±0.3 V, the device draws CMOS standby current (ICC4). If RESET# is held
at VIL but not within VSS±0.3 V, the standby current is greater.
The RESET# pin may be tied to the system reset circuitry. A system reset would
thus also reset the Flash memory, enabling the system to read the boot-up firm-
ware from the Flash memory.
If RESET# is asserted during a program or erase operation, the RY/BY# pin re-
mains a 0 (busy) until the internal reset operation is complete, which requires a
time of tREADY (during Embedded Algorithms). The system can thus monitor RY/
BY# to determine whether the reset operation is complete. If RESET# is asserted
when a program or erase operation is not executing (RY/BY# pin is 1), the reset
operation is completed within a time of tREADY (not during Embedded Algorithms).
The system can read data tRH after the RESET# pin returns to VIH.
Refer to AC Characteristics, on page 38 for RESET# parameters and to Figure
14, on page 39 for the timing diagram.
Output Disable Mode
When the OE# input is at VIH, output from the device is disabled. The output pins
are placed in the high impedance state.
相关PDF资料 |
PDF描述 |
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| S29AL008D55MFNR11 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D70MFNR11 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90MFNR11 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D55TFNR12 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D70TFNR12 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
相关代理商/技术参数 |
参数描述 |
|---|---|
| S29AL008D90BFNR12 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90BFNR13 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90BFNR20 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90BFNR21 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90BFNR22 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
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