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參數資料
型號: W28F641BB80L
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 64MBIT (4MBIT 】 16) PAGE MODE DUAL WORK FLASH MEMORY
中文描述: 4M X 16 FLASH 1.8V PROM, 80 ns, PBGA48
封裝: 8 X 11 MM, 0.75 MM PITCH, TFBGA-48
文件頁數: 28/31頁
文件大小: 389K
代理商: W28F641BB80L
W28F641B/T
Rise and Fall Time
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
V
DD
Rise Time (note 1)
t
VR
0.5
30000
μ
S/ V
Input Signal Rise Time (note1, 2)
t
R
1
μ
S/ V
Input Signal Fall Time (note1, 2)
t
F
1
μ
S/ V
Notes:
1. Sampled, not 100% tested.
2. This specification is applied for not only the device power-up but also the normal operations.
Glitch Noises
Do not input the glitch noises which are below V
IH
(Min.) or above V
IL
(Max.) on address, data, reset,
and control signals, as shown in Figure A-2 (b). The acceptable glitch noises are illustrated in Figure
A-2 (a).
Input Singal
V
IH
(Min.)
Input Singal
V
IH
(Min.)
V
IL
(Max.)
Input Singal
V
IL
(Max.)
Input Singal
(a) Acceptable Glitch Noises
(b) NOT Acceptable Glitch Noises
Figure A-2. Waveform for Glitch Noises
See the "DC CHARACTERISTICS" described in specifications for
V
IH
(Min.) and
V
IL
(Max.).
- 28 -
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