S34ML02G100BHI003 Spansion, S34ML02G100BHI003 Datasheet - Page 38

• Manufacturer Part Number: S34ML02G100BHI003
• Description: Flash 2G, 3V, 25ns NAND Flash
• Manufacturer: Spansion

Specifications of S34ML02G100BHI003

• Rohs: yes
• Data Bus Width: 1 bit
• Memory Type: NAND Flash
• Memory Size: 2 Gbit
• Architecture: Sectored
• Timing Type: Asynchronous
• Access Time: 25 ns
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V
• Maximum Operating Current: 40 mA
• Operating Temperature: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: BGA-63
• Organization: 2048 B x 8, 2048 B x 16

4.2
38
Ready/Busy
The Ready/Busy output provides a method of indicating the completion of a page program, erase, copyback,
or read completion. The R/B# pin is normally high and goes to low when the device is busy (after a reset,
read, program, erase operation). 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 t
an appropriate value can be obtained with the reference chart shown in
For example, for a particular system with 20 pF of output load, t
whereas for a particular load of 50 pF, Spansion measured it to be 20 ns as shown in
Rp value guidence
Rp (min. 3.3V part) =
where
Rp(max) is determined by maximum permissible limit of tr.
Spansion
Vcc
GND
I
r
L
(R/B#) and current drain during busy (ibusy), and output load capacitance is related to t
is the sum of the input currents of all devices tied to the R/B# pin.
®
SLC NAND Flash Memory for Embedded
Device
open drain output
Figure 4.1 Ready/Busy Pin Electrical Application
Vcc (Max.) - V
R/B#
I
Rp
OL +
t
∑
r
300n
200n
100n
,t
ibusy
I
f
[s]
OL
L
(Max.)
C
D a t a
Rp vs. t
L
@ Vcc = 3.3V, Ta = 25°C, C
2.4
1k
50
20
=
r
, t
Ready
100
f
2k
1.2
S h e e t
20
and Rp vs. ibusy
8mA + ∑I
Rp (ohm)
3.2V
V
t
3k
CC
150
20
f
3.3V device - V
0.8
f
from V
L
V
V
L
=50 pF
OL
OL
4k
200
0.6
20
: 0.4V, V
CC
OL
Figure
: 0.4V. V
S34ML01G1_04G1_15 March 7, 2013
to V
ibusy [A]
Busy
3m
1m
2m
OH
OL
: 2.4V
OH
4.1.
: 2.4V
at 10% to 90% will be 10 ns,
Legend
= t
= ibusy (
= t
r (mA)
f (ns)
Figure
ns
)
t
r
4.1.
V
OH
f