參數(shù)資料
型號: S29GL01GP12FACR13
廠商: SPANSION LLC
元件分類: PROM
英文描述: 1G X 1 FLASH 3V PROM, 120 ns, PBGA64
封裝: 13 X 11 MM, 1 MM PITCH, FBGA-64
文件頁數(shù): 44/80頁
文件大?。?/td> 2706K
代理商: S29GL01GP12FACR13
November 20, 2009 S29GL-P_00_A12
S29GL-P MirrorBit Flash Family
49
Data
She e t
8.6.3
Write Pulse “Glitch Protection”
Noise pulses of less than 5 ns (typical) on OE#, CE# or WE# do not initiate a write cycle.
8.6.4
Power-Up Write Inhibit
If WE# = CE# = RESET# = VIL and OE# = VIH during power up, the device does not accept commands on the
rising edge of WE#. The internal state machine is automatically reset to the read mode on power-up.
9.
Power Conservation Modes
9.1
Standby Mode
When the system is not reading or writing to the device, it can place the device in the standby mode. In this
mode, current consumption is greatly reduced, and the outputs are placed in the high impedance state,
independent of the OE# input. The device enters the CMOS standby mode when the CE# and RESET#
inputs are both held at VCC ± 0.3 V. The device requires standard access time (tCE) for read access, before it
is ready to read data. If the device is deselected during erasure or programming, the device draws active
current until the operation is completed. ICC4 in “DC Characteristics” represents the standby current
specification
9.2
Automatic Sleep Mode
The automatic sleep mode minimizes Flash device energy consumption. The device 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 system. ICC6 in Section 11.6
represents the automatic sleep mode current specification.
9.3
Hardware RESET# Input Operation
The RESET# input provides a hardware method of resetting the device to reading array data. When RESET#
is driven low for at least a period of tRP, the device immediately terminates any operation in progress, tristates
all outputs, 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 operation that was interrupted should be
reinitiated once the device is ready to accept another command sequence to ensure data integrity.
When RESET# is held at VSS ± 0.3 V, the device draws ICC reset current (ICC5). If RESET# is held at VIL but
not within VSS ± 0.3 V, the standby current is greater.
RESET# may be tied to the system reset circuitry and thus, a system reset would also reset the Flash
memory, enabling the system to read the boot-up firmware from the Flash memory.
9.4
Output Disable (OE#)
When the OE# input is at VIH, output from the device is disabled. The outputs are placed in the high
impedance state. (With the exception of RY/BY#.)
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