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PDF NTE2764 Data sheet ( Hoja de datos )
| Número de pieza | NTE2764 | |
| Descripción | Integrated Circuit NMOS / 64K Erasable EPROM / 200ns | |
| Fabricantes | NTE | |
| Logotipo |  |
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NTE2764
Integrated Circuit
NMOS, 64K Erasable EPROM, 200ns
Description:
The NTE2764 is a 65,536–bit (8192 X 8 bit) Ultraviolet Erasable and Electrically Programmable
Read–Only Memory (EPROM) in a 28–Lead DIP type package which operates from a single +5V sup-
ply, making it ideal for microprocessor applications. It features an output enable control and offers
a standby mode with an attendant 67% savings in power consumption.
A distinctive feature of the NTE2764 is a separate output control, output enable (OE) from the chip
enable control (CE). The OE control eliminates bus contention in multiple–bus microprocessor sys-
tems. The NTE2764 features fast, simple one–pulse programming controlled by TTL–level signals.
Total programming time for all 65,536 bits is 420 seconds.
Features:
D Ultraviolet Erasable and Electrically Programmable
D Access Time: 250ns Max
D Single Location Programming
D Programmable with Single Pulse
D Low Power Dissipation: 150mA Max (Active Current)
50mA Max (Standby Current)
D Input/Output TTL Compatible for Reading and Programming
D Single +5V Power Supply
D Three–State Outputs
Absolute Maximum Ratings: (TA = +25°C, Note 1 unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.6 to +6V
Supply Voltage, VPP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.6 to +22V
Output Voltage, VOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.6 to +6V
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.6 to +6V
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10°C to +80°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to +125°C
Note 1. Exposing the device to stresses above those listed in Absolute Maximum Ratings could
cause permanent damage. The device is not meant to be operated under conditions outside
the limits described in the operational sections of this specification. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
1 page  
Output Deselect:
The data outputs of two or more NTE2764s may be wire–ORed together to the same data bus. In
order to prevent bus contention problems between devices, all but the selected NTE2764s should be
deselected by raising the CE input to a TTL high. OE input should be made common to all devices
and connected to the READ line from the system control BUS. These connections offer the lowest
average power consumption.
Pin Connection Diagram
VPP 1
A12 2
A7 3
A6 4
A5 5
A4 6
A3 7
A2 8
A1 9
A0 10
O0 11
O1 12
O2 13
GND 14
28 VCC
27 PGM
26 N.C.
25 A8
24 A9
23 A11
22 OE
21 A10
20 CE
19 O7
18 O6
17 O5
16 O4
15 O3
1.480 (37.59) Max
28 15
.580
(14.7)
1 14
.216 (5.5) Max
.100 (2.54)
.100 (2.54) Min
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet NTE2764.PDF ] | |
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