參數(shù)資料
型號： K9F2808U0B-D
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 16M x 8 Bit NAND Flash Memory
中文描述： 1,600 × 8位NAND閃存
文件頁數(shù)： 28/29頁
文件大?。?/td> 304K
代理商： K9F2808U0B-D
FLASH MEMORY
28
K9F2808U0B-YCB0,YIB0
K9F2808U0B-DCB0,DIB0
K9F2808Q0B-DCB0,DIB0
K9F2808U0B-VCB0,VIB0
READY/BUSY
The device has a R/B output that provides a hardware method of indicating the completion of a page program, erase and random
read completion. The R/B pin is normally high but transitions to low after program or erase command is written to the command reg-
ister or random read is started after address loading. It returns to high when the internal controller has finished the operation. The pin
is an open-drain driver thereby allowing two or more R/B outputs to be Or-tied. Because pull-up resistor value is related to tr(R/B) and
current drain during busy(ibusy) , an appropriate value can be obtained with the following reference chart(Fig 13). Its value can be
determined by the following guidance.
V
CC
R/B
open drain output
Device
GND
Rp
t
I
Rp(ohm)
Fig 13 Rp vs tr ,tf & Rp vs ibusy
Ibusy
tr
ibusy
Busy
Ready Vcc
@ Vcc = 3.3V, Ta = 25
°
C , C
L
= 100pF
VOH
tf
tr
1K
2K
3K
4K
100n
200n
300n
3m
2m
1m
100
tf
200
300
400
3.6
3.6
3.6
3.6
2.4
1.2
0.8
0.6
VOL
V
CC
(Max.) - V
OL
(Max.)
I
OL
+
Σ
I
L
=
1.85V
3mA
+
Σ
I
L
where I
L
is the sum of the input currents of all devices tied to the R/B pin.
Rp value guidance
Rp(max) is determined by maximum permissible limit of tr
Rp(min, 3.3V part) =
V
CC
(Max.) - V
OL
(Max.)
I
OL
+
Σ
I
L
=
3.2V
8mA
+
Σ
I
L
1.8V device - V
OL
: 0.1V, V
OH
: V
CC
q-0.1V
3.3V device - V
OL
: 0.4V, V
OH
: 2.4V
t
I
Rp(ohm)
Ibusy
tr
@ Vcc = 1.8V, Ta = 25
°
C , C
L
= 30pF
1K
2K
3K
4K
100n
200n
300n
3m
2m
1m
30
tf
60
90
120
1.7
1.7
1.7
1.7
1.7
0.85
0.57
0.43
C
L
相關PDF資料
PDF描述
K9F2808U0B-V 16M x 8 Bit NAND Flash Memory
K9F2808U0B-VCB0 16M x 8 Bit NAND Flash Memory
K9F2808U0B-Y 16M x 8 Bit NAND Flash Memory
K9F2808U0C-VCB0 16M x 8 Bit , 8M x 16 Bit NAND Flash Memory
K9F2808U0C-DCB0 16M x 8 Bit , 8M x 16 Bit NAND Flash Memory
相關代理商/技術參數(shù)
參數(shù)描述
K9F2808U0B-DCB0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:16M x 8 Bit NAND Flash Memory
K9F2808U0B-DIB0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:16M x 8 Bit NAND Flash Memory
K9F2808U0B-V 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:16M x 8 Bit NAND Flash Memory
K9F2808U0B-VCB0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:16M x 8 Bit NAND Flash Memory
K9F2808U0B-VIB0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:16M x 8 Bit NAND Flash Memory
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