参数资料
型号: W19B320BTT7H
厂商: Winbond Electronics
文件页数: 40/51页
文件大小: 0K
描述: IC FLASH 32MBIT 70NS 48TSOP
标准包装: 96
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 32M(4M x 8,2M x 16)
速度: 70ns
接口: 并联
电源电压: 2.7 V ~ 3.6 V
工作温度: -20°C ~ 85°C
封装/外壳: 48-TFSOP(0.724",18.40mm 宽)
供应商设备封装: 48-TSOP
包装: 托盘
其它名称: W19B320BTT-H
W19B320BTT-H-ND
W19B320BT/B DATASHEET
8.12
Alternate #CE Controlled Erase and Program Operations
70 ns
PARAMETER
Write Cycle Time (Note 1)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Read Recover Time Before Write (#OE High to
#WE Low)
#WE Setup Time
#WE Hold Time
#CE Pulse Width
#CE Pulse Width High
SYM.
T WC
T AS
T AH
T DS
T DH
T GHEL
T WS
T WH
T CP
T CPH
Min.
70
0
45
35
0
0
0
0
30
30
Typical
(Note3)
-
-
-
-
-
-
-
-
-
-
Max.
(Note4)
-
-
-
-
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Programming Time (Note 6)
Accelerated Programming Time
(Note 6)
Sector Erase Time (Note 2)
Chip Erase Time (Note 2)
Chip Program Time (Note 5)
Byte
Word
Byte
Word
Byte
Word
T PB
T PW
T ACCP
T SE
T CE
T CPB
T CPW
-
-
-
-
-
-
-
7
9
4
0.4
30
21
14
150
210
120
15
-
63
42
μ s
μ s
sec
sec
sec
Notes:
1. Not 100 % tested.
2. In the pre-programming step of the Embedded Erase algorithm, all bytes are programmed to 00h before erasure.
3. Typical program and erase time assume the following conditions :25 ℃ ,3.0 V V DD , 100,000 cycles .Additionally,
programming typicals assume checkerboard pattern.
4. Under worst case conditions of 90 ℃ , V DD =2.7V, 100,000 cycles.
5. The typical chip programming time is considerably less than the maximun chip programming time listed,since most bytes
program faster than maximun program times listed.
6. System-level overhead is the time required to execute the two- or four-bus-cycle sequence for the program command.
7. The device has a minimum erase and program cycle endurance of 100,000 cycles.
Publication Release Date:Dec, 22, 2008
- 40 -
Revisionv A5
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