参数资料
型号: NAND01GR3B3CZA1
厂商: STMICROELECTRONICS
元件分类: PROM
英文描述: 128M X 8 FLASH 1.8V PROM, 35 ns, PBGA63
封装: 9.50 X 12 MM, 1 MM HEIGHT, 0.80 MM PITCH, VFBGA-63
文件页数: 47/59页
文件大小: 998K
代理商: NAND01GR3B3CZA1
51/59
NAND512-B, NAND01G-B, NAND02G-B, NAND04G-B, NAND08G-B
Ready/Busy Signal Electrical Characteristics
Figures 36, 35 and 37 show the electrical charac-
teristics for the Ready/Busy signal. The value re-
quired for the resistor RP can be calculated using
the following equation:
So,
where IL is the sum of the input currents of all the
devices tied to the Ready/Busy signal. RP max is
determined by the maximum value of tr.
Figure 35. Ready/Busy AC Waveform
Figure 36. Ready/Busy Load Circuit
Figure 37. Resistor Value Versus Waveform Timings For Ready/Busy Signal
Note: T = 25°C.
RPmin
VDDmax VOLmax
()
IOL
IL
+
------------------------------------------------------------
=
RPmin 1.8V
()
1.85V
3mA
IL
+
---------------------------
=
RPmin 3V
()
3.2V
8mA
IL
+
---------------------------
=
AI07564B
busy
VOH
ready VDD
VOL
tf
tr
AI07563B
RP
VDD
VSS
RB
DEVICE
Open Drain Output
ibusy
ai07565B
RP (K)
12
3
4
100
300
200
t r
,t
f
(ns)
1
2
3
1.7
0.85
30
1.7
tr
tf
ibusy
0
400
4
RP (K)
12
3
4
100
300
200
1
2
3
ibusy
(mA)
2.4
1.2
0.8
0.6
100
200
300
400
3.6
0
400
4
VDD = 1.8V, CL = 30pF
VDD = 3.3V, CL = 100pF
t r
,t
f
(ns)
ibusy
(mA)
60
90
120
0.57
0.43
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