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參數(shù)資料
| 型號： | PY291A-50WC |
| 廠商： | PYRAMID SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 2K X 8 REPROGRAMMABLE PROM |
| 中文描述： | 2K X 8 UVPROM, 50 ns, CDIP24 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-24 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 111K |
| 代理商： | PY291A-50WC |
PY291A
Page 4 of 9
Document #
EPROM101
REV OR
DEVICE ERASURE
If the device is subjected to wavelengths of light below
4000 Angstroms, device erasure will commence. It is
therefore recommended to use an opaque label over the
window in the event the device will be exposed to lighting
for a long time. The UV dose for erasure requires a
wavelength of 2,537 Angstroms for a minimum dose of
25 Wsec/cm
2
. If using a UV lamp of 12 mW/cm
2
, the
exposure time is estimated to be 35 minutes. Devices
should be positioned within 1 inch of the lamp during the
erasure process. Permanent damage can occur to the
devices if exposed to UV light for an extended period of
time.
Read or Output Disable
A
10
-A
0
CS
3
CS
2
CS
1
O
7
-O
0
Other
A
10
-A
0
PGM
VFY
V
PP
D
7
-D
0
A
10
-A
0
V
IH
V
IH
V
IL
O
7
-O
0
A
10
-A
0
X
X
V
IH
High Z
A
10
-A
0
X
V
IL
X
High Z
A
10
-A
0
V
IL
X
X
High Z
A
10
-A
0
V
ILP
V
IHP
V
PP
D
7
-D
0
A
10
-A
0
V
IHP
V
ILP
V
PP
O
7
-O
0
A
10
-A
0
V
IHP
V
IHP
V
PP
High Z
A
10
-A
0
V
ILP
V
IHP
V
PP
D
7
-D
0
A
10
-A
0
V
IHP
V
ILP
V
PP
Zeros
Pin Function
Mode
Blank Check Zeros
Output Disable
Output Disable
Program
Program Verify
Read
Output Disable
Program Inhibit
Intelligent Program
MODE SELECTION
PROGRAMMING PINOUTS
X = Don't Care
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PDF描述 |
|---|---|
| PY291A-50WM | 2K X 8 REPROGRAMMABLE PROM |
| PY291A-50WMB | 2K X 8 REPROGRAMMABLE PROM |
| PY291A | 2K X 8 REPROGRAMMABLE PROM |
| PY291A-20DC | 2K X 8 REPROGRAMMABLE PROM |
| PY291A-20DM | 2K X 8 REPROGRAMMABLE PROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PY291A-50WM | 制造商:PYRAMID 制造商全稱:Pyramid Semiconductor Corporation 功能描述:2K X 8 REPROGRAMMABLE PROM |
| PY291A-50WMB | 制造商:PYRAMID 制造商全稱:Pyramid Semiconductor Corporation 功能描述:2K X 8 REPROGRAMMABLE PROM |
| PY-3 | 制造商:Amprobe Test Tools 功能描述: |
| PY30834 | 制造商:Pro-Signal 功能描述:BINOCULAR ROOF PRISM 8X21 |
| PY3365S | 制造商:Stanley Electric 功能描述:LED Uni-Color Yellow Green 570nm 2-Pin T-1 Bulk 制造商:Stanley Electric 功能描述:LED 3mm Yellow-green unique wide beam |
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