Uniform Sector
Standard and Dual Serial Flash
CONTENTS
1.
2.
3.
4.
5.
6.
7.
GD25WD40C/20C
FEATURES .................................................................................................................................................. 4
GENERAL DESCRIPTION .......................................................................................................................... 5
MEMORY ORGANIZATION ......................................................................................................................... 8
DEVICE OPERATION ................................................................................................................................ 10
DATA PROTECTION ................................................................................................................................. 11
STATUS REGISTER .................................................................................................................................. 12
COMMANDS DESCRIPTION .................................................................................................................... 13
7.1.
7.2.
7.3.
7.4.
7.5.
7.6.
7.7.
7.8.
7.9.
7.11.
W
RITE
E
NABLE
(WREN) (06H) ............................................................................................................. 15
W
RITE
D
ISABLE
(WRDI) (04H) .............................................................................................................. 15
R
EAD
S
TATUS
R
EGISTER
(RDSR) (05H) ................................................................................................ 16
W
RITE
S
TATUS
R
EGISTER
(WRSR) (01H) ............................................................................................. 16
R
EAD
D
ATA
B
YTES
(READ) (03H) ......................................................................................................... 17
R
EAD
D
ATA
B
YTES
A
T
H
IGHER
S
PEED
(F
AST
R
EAD
) (0BH) ..................................................................... 17
D
UAL
O
UTPUT
F
AST
R
EAD
(3BH) ........................................................................................................... 18
P
AGE
P
ROGRAM
(PP) (02H).................................................................................................................. 18
S
ECTOR
E
RASE
(SE) (20H) .................................................................................................................. 19
64KB B
LOCK
E
RASE
(BE) (D8H) .......................................................................................................... 20
7.10. 32KB B
LOCK
E
RASE
(BE) (52H) ........................................................................................................... 20
7.12. C
HIP
E
RASE
(CE) (60/C7H) .................................................................................................................. 21
7.13. D
EEP
P
OWER
-D
OWN
(DP) (B9H) .......................................................................................................... 22
7.14. R
ELEASE FROM
D
EEP
P
OWER
-D
OWN
/ R
EAD
D
EVICE
ID (ABH) .............................................................. 22
7.15. R
EAD
M
ANUFACTURE
ID/ D
EVICE
ID (REMS) (90H) .............................................................................. 23
7.16. R
EAD
I
DENTIFICATION
(RDID) (9FH) ..................................................................................................... 25
8.
ELECTRICAL CHARACTERISTICS ......................................................................................................... 26
8.1.
8.2.
8.3.
8.4.
8.5.
8.6.
9.
POWER-ON TIMING .......................................................................................................................... 26
INITIAL DELIVERY STATE ................................................................................................................. 26
ABSOLUTE MAXIMUM RATINGS ...................................................................................................... 26
CAPACITANCE MEASUREMENT CONDITIONS .............................................................................. 27
DC CHARACTERISTICS .................................................................................................................... 28
AC CHARACTERISTICS .................................................................................................................... 31
ORDERING INFORMATION ...................................................................................................................... 37
9.1.
V
ALID
P
ART
N
UMBERS
........................................................................................................................... 38
PACKAGE INFORMATION .................................................................................................................... 40
10.
10.1. P
ACKAGE
SOP8 150MIL ...................................................................................................................... 40
10.2. P
ACKAGE
SOP8 208MIL ...................................................................................................................... 41
10.3. P
ACKAGE
TSSOP8 173MIL .................................................................................................................. 42
10.4. P
ACKAGE
DIP8 300MIL ........................................................................................................................ 43
2
Uniform Sector
Standard and Dual Serial Flash
1. FEATURES
◆
GD25WD40C/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
-100MHz for fast read on 3.0~3.6V power supply
◆
◆
◆
Dual Output Data Transfer up to 160Mbits/s
◆
-Uniform Block of 32/64K-byte
Low Power Consumption
-0.1uA typical standby current
-0.1uA typical power down current
-70MHz for fast read on 2.1~3.0V power supply
Dual Output Data Transfer up to 120Mbits/s
◆
-50MHz for fast read on 1.65~2.1V power supply
Dual Output Data Transfer up to 80Mbits/s
Single Power Supply Voltage
-Full voltage range: 1.65~3.6V
◆
Software/Hardware Write Protection
-Write protect all/portion of memory via software
-Enable/Disable protection with WP# Pin
◆
Package option
-SOP8 150mil
-SOP8 208mil
◆
Minimum 100,000 Program/Erase Cycles
-TSSOP8 173mil
-DIP8 300mil
◆
Data Retention
-20-year data retention typical
-USON8 1.5*1.5mm
-USON8 3*2mm
-WLCSP
4
Uniform Sector
Standard and Dual Serial Flash
2. GENERAL DESCRIPTION
GD25WD40C/20C
The GD25WD40C/20C (4M/2M-bit) Serial flash supports the standard Serial Peripheral Interface (SPI), and
supports the Dual Output: Serial Clock, Chip Select, Serial Data I/O0 (SI), O1 (SO). The Dual Output data is transferred
with maximum speed of 160Mbits/s.
CONNECTION DIAGRAM
CS#
SO
(O1)
WP#
VSS
1
2
Top View
3
4
8
7
6
5
VCC
NC
SCLK
SI
(IO0)
CS#
SO
(O1)
WP#
VSS
1
2
Top View
3
4
8–LEAD USON
8
7
6
5
VCC
NC
SCLK
SI
(IO0)
8–LEAD
SOP/TSSOP/DIP
TOP VIEW
BOTTOM VIEW
A1
VCC
A2
CS#
A2
CS#
A1
VCC
B1
SCLK
B2
SO
(IO1)
B2
SO
(IO1)
B1
SCLK
C1
SI
(IO0)
C2
VSS
C2
VSS
C1
SI
(IO0)
WLCSP
PIN DESCRIPTION
Table 1. Pin Description for SOP/TSSOP/DIP/USON package
Pin Name
CS#
SO (O1)
WP#
VSS
SI (IO0)
SCLK
NC
VCC
I/O
I
I/O
I
O
I
Description
Chip Select Input
Data Output (Data Output 1)
Write Protect Input
Ground
Data Input (Data Input Output 0)
Serial Clock Input
No Connection
Power Supply
5