參數(shù)資料
型號: W28F321TB70L
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 2M X 16 FLASH 1.8V PROM, 70 ns, PBGA48
封裝: 7 X 7 MM, 0.75 MM PITCH, TFBGA-48
文件頁數(shù): 17/28頁
文件大小: 372K
代理商: W28F321TB70L
W28F321BB/TB
- 24 -
4. If #RESET asserted while a block erase, full chip erase, (page buffer) program or OTP program operation is not executing,
the reset will complete within 100ns.
5. When the device power-up, holding #RESET low minimum 100ns is required after VDD has been in predefined range and also
has been in stable there.
Block Erase, Full Chip Erase, (Page Buffer) Program and OTP Program
Performance(3)
VDD = 2.7V to 3.6V, TA = -40°C to +85°C
VPP = VPPH1
(IN SYSTEM)
VPP = VPPH2
(IN MANUFACTURING)
PARAMETER
SYM.
PAGE BUFFER
COMMAND IS
USED OR NOT
USED
MIN. TYP.
(1) MAX.(2) MIN. TYP.(1) MAX.(2)
UNIT
Not Used
0.05
0.3
0.04
0.12
S
4K-Word Parameter Block
Program Time (note 2)
tWPB
Used
0.03
0.12
0.02
0.06
S
Not Used
0.38
2.4
0.31
1.0
S
32K-Word Main Block
Program Time (note 2)
tWMB
Used
0.24
1.0
0.17
0.5
S
Not Used
11
200
9
185
S
Word Program Time (note 2)
tWHQV1/
tEHQV1
Used
7
100
5
90
S
OTP Program Time (note 2)
tWHOV1/
tEHOV1
Not Used
36
400
27
185
S
4K-Word Parameter Block
Erase Time (note 2)
tWHQV2/
tEHQV2
-
0.3
4
0.2
4
S
32K-Word Main Block Erase
Time (note 2)
tWHQV3/
tEHQV3
-
0.6
5
0.5
5
S
Full Chip Erase Time (note 2)
40
350
S
(Page Buffer) Program
Suspend Latency Time to
Read (note 4)
tWHRH1/
tEHRH1
-
5
10
5
10
S
Block Erase Suspend Latency
Time to Read (note 4)
tWHRH2/
tEHRH2
-
5
20
5
20
S
Latency Time from Block
Erase Resume Command to
Block Erase Suspend
Command (note 5)
tERES
-
500
S
Notes:
1. Typical values measured at VDD = 3.0V, VPP = 3.0V or 12V, and TA=+25°C. Assumes corresponding lock bits are not set.
Subject to change based on device characterization.
2. Excludes external system-level overhead.
3. Sampled, but not 100% tested.
4. A latency time is required from writing suspend command (#WE or #CE going high) until SR.7 going "1".
5. If the interval time from a Block Erase Resume command to a subsequent Block Erase Suspend command is shorter than
tERES and its sequence is repeated, the block erase operation may not be finished.
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