參數(shù)資料
型號: M30L0T8000B0ZAQE
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 16M X 16 FLASH 1.8V PROM, 85 ns, PBGA88
封裝: 8 X 10 MM, 0.80 MM PITCH, LEAD FREE, BGA-88
文件頁數(shù): 9/103頁
文件大小: 794K
代理商: M30L0T8000B0ZAQE
M30L0T8000T0, M30L0T8000B0
Signal descriptions
13/103
2.7
Reset (RP)
The Reset input provides a hardware reset of the memory. When Reset is at VIL, the
memory is in reset mode: the outputs are high impedance and the current consumption is
reduced to the Reset Supply Current IDD2. Refer to Table 21: DC Characteristics - Currents,
for the value of IDD2. After Reset all blocks are in the Locked state and the Configuration
Register is reset. When Reset is at VIH, the device is in normal operation. Exiting reset
mode the device enters asynchronous read mode, but a negative transition of Chip Enable
or Latch Enable is required to ensure valid data outputs.
The Reset pin can be interfaced with 3V logic without any additional circuitry. It can be tied
2.8
Latch Enable (L)
Latch Enable latches the address bits on its rising edge. The address latch is transparent
when Latch Enable is at VIL and it is inhibited when Latch Enable is at VIH. Latch Enable can
be kept Low (also at board level) when the Latch Enable function is not required or
supported.
2.9
Clock (K)
The clock input synchronizes the memory to the microcontroller during synchronous read
operations; the address is latched on a Clock edge (rising or falling, according to the
configuration settings) when Latch Enable is at VIL. Clock is ignored during asynchronous
read and in write operations.
2.10
Wait (WAIT)
Wait is an output signal used during synchronous read to indicate whether the data on the
output bus are valid. This output is high impedance when Chip Enable is at VIH, Output
Enable is at VIH, or Reset is at VIL. It can be configured to be active during the wait cycle or
one data cycle in advance.
2.11
VDD Supply Voltage
VDD provides the power supply to the internal core of the memory device. It is the main
power supply for all operations (Read, Program and Erase).
2.12
VDDQ Supply Voltage
VDDQ provides the power supply to the I/O pins and enables all Outputs to be powered
independently of VDD. VDDQ can be tied to VDD or can use a separate supply.
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