M25P64-VMF6P STMicroelectronics, M25P64-VMF6P Datasheet - Page 16
M25P64-VMF6P
Manufacturer Part Number
M25P64-VMF6P
Description
64 MBIT, LOW VOLTAGE, SERIAL FLASO 16 .30 LARGE JEDEC MS-013
Manufacturer
STMicroelectronics
Datasheet
1.M25P64-VMF6P.pdf
(38 pages)
Specifications of M25P64-VMF6P
Lead Free Status / Rohs Status
RoHS Compliant part
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M25P64
Read Identification (RDID)
The Read Identification (RDID) instruction allows
the 8-bit manufacturer identification to be read, fol-
lowed by two bytes of device identification. The
manufacturer identification is assigned by JEDEC,
and has the value 20h for STMicroelectronics. The
device identification is assigned by the device
manufacturer, and indicates the memory type in
the first byte (20h), and the memory capacity of the
device in the second byte (17h).
Any Read Identification (RDID) instruction while
an Erase or Program cycle is in progress, is not
decoded, and has no effect on the cycle that is in
progress.
Table 5. Read Identification (RDID) Data-Out Sequence
Figure 11. Read Identification (RDID) Instruction Sequence and Data-Out Sequence
16/38
Manufacturer Identification
S
C
D
Q
20h
0
High Impedance
1
2
Instruction
3
4
5
6
7
MSB
Manufacturer Identification
8
9 10 11 12 13 14 15
Memory Type
20h
The device is first selected by driving Chip Select
(S) Low. Then, the 8-bit instruction code for the in-
struction is shifted in. This is followed by the 24-bit
device identification, stored in the memory, being
shifted out on Serial Data Output (Q), each bit be-
ing shifted out during the falling edge of Serial
Clock (C).
The instruction sequence is shown in
The Read Identification (RDID) instruction is termi-
nated by driving Chip Select (S) High at any time
during data output.
When Chip Select (S) is driven High, the device is
put in the Standby Power mode. Once in the
Standby Power mode, the device waits to be se-
lected, so that it can receive, decode and execute
instructions.
Device Identification
MSB
15 14 13
16 17 18
Device Identification
3
28 29 30 31
2
Memory Capacity
1
0
17h
AI06809b
Figure
11..