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| 型号： | AT49HBV010-70JI |
| 厂商： | ATMEL CORP |
| 元件分类： | DRAM |
| 英文描述： | SENSOR, SINGLE, PTC, MOTOR, 160 C; Series:B591; Thermistor type:PTC; Resistance:100R; Temp, op. max:40(degree C); Voltage, operating:30V; Diameter, body:3mm; Diameter, lead:0.42mm; Length / Height, external:520mm; Length, lead:510mm; RoHS Compliant: Yes |
| 中文描述： | 128K X 8 FLASH 2.7V PROM, 70 ns, PQCC32 |
| 封装： | PLASTIC, LCC-32 |
| 文件页数： | 3/11页 |
| 文件大小： | 88K |
| 代理商： | AT49HBV010-70JI |
AT49(H)BV/(H)LV010
3
For details, see Operating Modes (for hardware operation)
or Software Product Identification. The manufacturer and
device code is the same for both modes.
DATA POLLING:
The AT49(H)BV/(H)LV010 features
DATA polling to indicate the end of a program cycle. Dur-
ing a program cycle an attempted read of the last byte
loaded will result in the complement of the loaded data on
I/O7. Once the program cycle has been completed, true
data is valid on all outputs and the next cycle may begin.
DATA polling may begin at any time during the program
cycle.
TOGGLE BIT:
In addition to DATA polling the
AT49(H)BV/(H)LV010 provides another method for deter-
mining the end of a program or erase cycle. During a pro-
gram or erase operation, successive attempts to read data
from the device will result in I/O6 toggling between one and
Command Definition (in Hex)
zero. Once the program cycle has completed, I/O6 will
stop toggling and valid data will be read. Examining the
toggle bit may begin at any time during a program cycle.
HARDWARE DATA PROTECTION:
Hardware features
protect against inadvertent programs to the
AT49(H)BV/(H)LV010 in the following ways: (a) V
CC
sense: if V
CC
is below 1.8V (typical), the program function
is inhibited. (b) Program inhibit: holding any one of OE low,
CE high or WE high inhibits program cycles. (c) Noise filter:
Pulses of less than 15 ns (typical) on the WE or CE inputs
will not initiate a program cycle.
INPUT LEVELS:
While operating with a 2.7V to 3.6V
power supply, the address inputs and control inputs
(
OE,
CE and WE) may be driven from 0 to 5.5V without
adversely affecting the operation of the device. The I/O
lines can only be driven from 0 to V
CC
+ 0.6V.
Notes:
1. The 8K byte boot sector has the address range 00000H to 01FFFH.
2. Either one of the Product ID exit commands can be used.
Absolute Maximum Ratings*
Command
Sequence
Bus
Cycles
1st Bus
Cycle
2nd Bus
Cycle
3rd Bus
Cycle
4th Bus
Cycle
5th Bus
Cycle
6th Bus
Cycle
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Read
1
Addr
D
OUT
Chip Erase
6
5555
AA
2AAA
55
5555
80
5555
AA
2AAA
55
5555
10
Byte
Program
4
5555
AA
2AAA
55
5555
A0
Addr
D
IN
Boot Block
Lockout
(1)
6
5555
AA
2AAA
55
5555
80
5555
AA
2AAA
55
5555
40
Product ID
Entry
3
5555
AA
2AAA
55
5555
90
Product ID
Exit
(2)
3
5555
AA
2AAA
55
5555
F0
Product ID
Exit
(2)
1
XXXX
F0
Temperature Under Bias......................-55
°
C to +125
°
C
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
Storage Temperature............................-65
°
C to +150
°
C
All Input Voltages
(including NC Pins)
with Respect to Ground.........................-0.6V to +6.25V
All Output Voltages
with Respect to Ground...................-0.6V to V
CC
+ 0.6V
Voltage on OE
with Respect to Ground.........................-0.6V to +13.5V
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