M25P20-VMN6 NUMONYX, M25P20-VMN6 Datasheet - Page 6

• Manufacturer Part Number: M25P20-VMN6
• Description: IC FLASH 2MBIT 50MHZ 8SOIC
• Manufacturer: NUMONYX
• Series: Forté™r

Specifications of M25P20-VMN6

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 50MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M25P20
SPI MODES
These devices can be driven by a microcontroller
with its SPI peripheral running in either of the two
following modes:
–
–
For these two modes, input data is latched in on
the rising edge of Serial Clock (C), and output data
Figure 4. Bus Master and Memory Devices on the SPI Bus
Note: The Write Protect (W) and Hold (HOLD) signals should be driven, High or Low as appropriate.
Figure 5. SPI Modes Supported
6/40
CPOL
CPOL=0, CPHA=0
CPOL=1, CPHA=1
0
1
SPI Interface with
(CPOL, CPHA) =
CS3
CPHA
(0, 0) or (1, 1)
(ST6, ST7, ST9,
ST10, Others)
0
1
Bus Master
CS2
D
Q
C
C
CS1
SDO
SDI
SCK
MSB
S
SPI Memory
C Q D
Device
W
HOLD
is available from the falling edge of Serial Clock
(C).
The difference between the two modes, as shown
in
master is in Stand-by mode and not transferring
data:
–
–
Figure
C remains at 0 for (CPOL=0, CPHA=0)
C remains at 1 for (CPOL=1, CPHA=1)
S
SPI Memory
C Q D
5., is the clock polarity when the bus
Device
W
MSB
HOLD
S
SPI Memory
C Q D
Device
W
AI03746D
HOLD
AI01438B