Uniform Sector
Standard and Dual Serial Flash
CONTENTS
1.
2.
3.
4.
5.
6.
7.
GD25LD40C/20C
FEATURES ................................................................................................................................................................ 4
GENERAL DESCRIPTION ..................................................................................................................................... 5
MEMORY ORGANIZATION .................................................................................................................................. 7
DEVICE OPERATION ............................................................................................................................................. 9
DATA PROTECTION ............................................................................................................................................. 10
STATUS REGISTER ............................................................................................................................................... 11
COMMANDS DESCRIPTION............................................................................................................................... 12
7.1.
7.2.
7.3.
7.4.
7.5.
7.6.
7.7.
7.8.
7.9.
7.10.
7.11.
7.12.
7.13.
7.14.
7.15.
7.16.
7.17.
W
RITE
E
NABLE
(WREN) (06H) ......................................................................................................................... 14
W
RITE
D
ISABLE
(WRDI) (04H) ......................................................................................................................... 14
R
EAD
S
TATUS
R
EGISTER
(RDSR) (05H)............................................................................................................. 14
W
RITE
S
TATUS
R
EGISTER
(WRSR) (01H) .......................................................................................................... 15
R
EAD
D
ATA
B
YTES
(READ) (03H)..................................................................................................................... 16
R
EAD
D
ATA
B
YTES
A
T
H
IGHER
S
PEED
(F
AST
R
EAD
) (0BH) ................................................................................ 16
D
UAL
O
UTPUT
F
AST
R
EAD
(3BH) ...................................................................................................................... 17
P
AGE
P
ROGRAM
(PP) (02H)................................................................................................................................ 17
S
ECTOR
E
RASE
(SE) (20H) ................................................................................................................................. 18
32KB B
LOCK
E
RASE
(BE) (52H) ....................................................................................................................... 19
64KB B
LOCK
E
RASE
(BE) (D8H) ...................................................................................................................... 19
C
HIP
E
RASE
(CE) (60/C7H)................................................................................................................................ 20
D
EEP
P
OWER
-D
OWN
(DP) (B9H) ....................................................................................................................... 20
R
ELEASE FROM
D
EEP
P
OWER
-D
OWN
/ R
EAD
D
EVICE
ID (ABH) ........................................................................ 21
R
EAD
M
ANUFACTURE
ID/ D
EVICE
ID (REMS) (90H) ........................................................................................ 22
R
EAD
I
DENTIFICATION
(RDID) (9FH) ................................................................................................................ 22
R
EAD
U
NIQUE
ID (4BH) .................................................................................................................................... 23
8.
ELECTRICAL CHARACTERISTICS .................................................................................................................. 24
8.1.
8.2.
8.3.
8.4.
8.5.
8.6.
POWER-ON TIMING ....................................................................................................................................... 24
INITIAL DELIVERY STATE ............................................................................................................................ 24
ABSOLUTE MAXIMUM RATINGS ............................................................................................................... 24
CAPACITANCE MEASUREMENT CONDITIONS ........................................................................................ 25
DC CHARACTERISTICS................................................................................................................................. 26
AC CHARACTERISTICS................................................................................................................................. 29
9.
ORDERING INFORMATION ............................................................................................................................... 33
9.1.
V
ALID
P
ART
N
UMBERS
........................................................................................................................................ 34
PACKAGE INFORMATION ............................................................................................................................. 36
P
ACKAGE
SOP8 150MIL .................................................................................................................................... 36
P
ACKAGE
SOP8 208MIL .................................................................................................................................... 37
P
ACKAGE
TSSOP8 173MIL ............................................................................................................................... 38
2
10.
10.1.
10.2.
10.3.
Uniform Sector
Standard and Dual Serial Flash
10.4.
10.5.
10.6.
10.6.
10.7.
11.
GD25LD40C/20C
P
ACKAGE
DIP8 300MIL ..................................................................................................................................... 39
P
ACKAGE
USON8 (1.5
X
1.5
MM
) ......................................................................................................................... 40
P
ACKAGE
USON8 (3
X
2
MM
,
THICKNESS
0.45
MM
) .............................................................................................. 41
P
ACKAGE
USON8 (4
X
4
MM
, 0.45
MM THICKNESS
) .............................................................................................. 42
P
ACKAGE
WSON8 (6
X
5
MM
) .............................................................................................................................. 43
REVISION HISTORY ........................................................................................................................................ 44
3
Uniform Sector
Standard and Dual Serial Flash
1. FEATURES
◆
GD25LD40C/20C
4M/2M-bit Serial Flash
-512K/256K-byte
-256 bytes per programmable page
◆
Fast Program/Erase Speed
-Page Program time: 1.6ms typical
-Sector Erase time: 150ms typical
-Block Erase time: 0.5/0.8s typical
◆
Standard, Dual Output
-Standard SPI: SCLK, CS#, SI, SO, WP#
-Dual Output: SCLK, CS#, IO0, O1, WP#
◆
-Chip Erase time: 6/3s typical
Flexible Architecture
-Uniform Sector of 4K-byte
◆
Clock Frequency
-50MHz for fast read with 30PF load
-Dual Output Data transfer up to 80Mbits/s
◆
-Uniform Block of 32/64K-byte
Low Power Consumption
-0.1uA typical standby current
◆
Software/Hardware Write Protection
-Write protect all/portion of memory via software
-Enable/Disable protection with WP# Pin
◆
-0.1uA typical power down current
Single Power Supply Voltage
-Full voltage range: 1.65~2.0V
◆
Advanced Security Features
-128-bit Unique ID for each device
◆
Package Option
-SOP8 150mil
◆
Minimum 100,000 Program/Erase Cycles
-SOP8 208mil
-TSSOP8 173mil
◆
Data Retention
-20-year data retention typical
-DIP8 300mil
-USON8 1.5*1.5mm
-USON8 3*2mm
-USON8 4*4mm
-WSON8 6*5mm
4