LE25S161 datasheet(40/54 Pages) ONSEMI

40 / 54 page

LE25S161

www.onsemi.com

Parameter Table : JDEC Basic Flash Parameter Tables (from 9th DWORD to 12th DWORD)

Description

Comment

Byte

Address

(Hex)

Bits

Data

(Binary)

Data

(Hex)

Sector Type 3 Size

Sector/block size = 2^N bytes

00h indicates not exist

60h

7:0

0000_0000b

00h

Sector Type 3 erase Instruction

61h

15:8

1111_1111b

FFh

Sector Type 4 Size

Sector/block size = 2^N bytes

00h indicates not exist

62h

23:16

0000_0000b

00h

Sector Type 4 erase Instruction

63h

31:24

1111_1111b

FFh

Multiplier from typical erase time to

maximum erase time

SE (64K-Byte erase):

150ms=2*(n+1)*15ms

n=4

64h

3:0

0100b

94h

Sector Type 1 Erase, Typical time

SSE (4K-Byte erase)

10ms: ((n+1)*1ms=10ms)

n=9

10:4

00_01001b

65h

70h

Sector Type 2 Erase, Typical time

SE (64K-Byte erase)

15ms: ((n+1)*1ms=15ms)

n=14

17:11

00_01110b

66h

00h

Sector Type 3 Erase, Typical time

24:18

00_00000b

67h

00h

Sector Type 4 Erase, Typical time

31:25

00_00000b

Multiplier from typical time to max

time for Page or byte program

(n+1)*0.3ms

=0.9ms: n=2,

0.9ms > 0.7ms(spec)

68h

3:0

0010b

82h

Page Size

256Bytes=2^8

7:4

1000b

Page Program Typical time

(n+1)*64

µs

=448us: n=6,

448

µs > 400µs(spec)

69h

13:8

1_00110b

E6h

Byte Program Typical time,

first byte

(n+1)*8us

=128us: n=15,

15:14

1_1111b

6Ah

18:16

07h

Byte Program Typical time,

additional byte

(count+1)*1

µs/byte

=1us/byte: Count=0

23:19

0_0000b

Chip Erase, Typical time

(n+1)*16ms

=208ms: n=12

208ms = 210ms(spec)

6Bh

30:24

00_01100b

0Ch

Reserved

Prohibited Operations During

Program Suspend

xxx0b: May not initiate a new erase anywhere

xxx1b: May not initiate a new erase in the program

suspended page size

xx0xb: May not initiate a new page program anywhere

xx1xb: May not initiate a new page program in the program

suspended page size

x0xxb: Refer to vendor datasheet for read restrictions

x1xxb: May not initiate a read in the program suspended

page size

0xxxb: Additional erase or program restrictions apply

1xxxb: The erase and program restrictions in bits 1:0 are

sufficient

6Ch

3:0

1101b

FDh

Prohibited Operations During Erase

Suspend

xxx0b: May not initiate a new erase anywhere

xxx1b: May not initiate a new erase in the erase

suspended sector size

xx0xb: May not initiate a page program anywhere

xx1xb: May not initiate a page program in the erase

suspended sector size

x0xxb: Refer to vendor datasheet for read restrictions

x1xxb: May not initiate a read in the erase suspended

sector size

0xxxb: Additional erase or program restrictions apply

1xxxb: The erase and program restrictions in bits 5:4 are

sufficient

7:4

1111b

Reserved

6Dh

80h

Program Resume to

Suspend Interval

<64

µs: (count+1)*64µs, count=0

12:9

0000b

Suspend in-progress

Program max latency

µs: ((4+1)*8us=40µs)

15:13

10_00100b

6Eh

19:16

08h

Erase Resume to

Suspend Interval

<64

µs: (count+1)*64µs, count=0

23:20

0000b

Suspend in-progress

erase max latency

µs: ((4+1)*8µs=40us)

6Fh

30:24

10_00100b

44h

Suspend /resume supported

0=support 1=not support

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