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PDF NMC27C64 Data sheet ( Hoja de datos )
| Número de pieza | NMC27C64 | |
| Descripción | 65536-Bit (8192 x 8) CMOS EPROM | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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November 1993
NMC27C64
65 536-Bit (8192 x 8) CMOS EPROM
General Description
The NMC27C64 is a 64K UV erasable electrically repro-
grammable and one-time programmable (OTP) CMOS
EPROM ideally suited for applications where fast turn-
around pattern experimentation and low power consump-
tion are important requirements
The NMC27C64 is designed to operate with a single a5V
power supply with g10% tolerance The CMOS design al-
lows the part to operate over extended and military temper-
ature ranges
The NMC27C64Q is packaged in a 28-pin dual-in-line pack-
age with a quartz window The quartz window allows the
user to expose the chip to ultraviolet light to erase the bit
pattern A new pattern can then be written electrically into
the device by following the programming procedure
The NMC27C64N is packaged in a 28-pin dual-in-line plastic
molded package without a transparent lid This part is ideal-
ly suited for high volume production applications where cost
is an important factor and programming only needs to be
one once
This family of EPROMs are fabricated with National’s propri-
etary time proven CMOS double-poly silicon gate technolo-
gy which combines high performance and high density with
low power consumption and excellent reliability
Features
Y High performance CMOS
150 ns access time
Y JEDEC standard pin configuration
28-pin DIP package
32-pin chip carrier
Y Drop-in replacement for 27C64 or 2764
Y Manufacturers identification code
Block Diagram
TRI-STATE is a registered trademark of National Semiconductor Corp
NSC800TM is a trademark of National Semiconductor Corp
C1996 National Semiconductor Corporation TL D 8634
TL D 8634 – 1
Pin Names
A0 – A12
Addresses
CE Chip Enable
OE Output Enable
O0 – O7
PGM
Outputs
Program
NC No Connect
VPP Programming
Voltage
VCC
GND
Power Supply
Ground
RRD-B30M17 Printed in U S A
http www national com
1 page  
Programming Characteristics (Notes 1 2 3 4)
Symbol
tAS
tOES
tCES
tDS
tVPS
tVCS
tAH
tDH
tDF
tPW
tOE
IPP
ICC
TA
VCC
VPP
tFR
VIL
VIH
tIN
tOUT
Parameter
Address Setup Time
OE Setup Time
CE Setup Time
Data Setup Time
VPP Setup Time
VCC Setup Time
Address Hold Time
Data Hold Time
Output Enable to Output Float Delay
Program Pulse Width
Data Valid from OE
VPP Supply Current During
Programming Pulse
VCC Supply Current
Temperature Ambient
Power Supply Voltage
Programming Supply Voltage
Input Rise Fall Time
Input Low Voltage
Input High Voltage
Input Timing Reference Voltage
Output Timing Reference Voltage
Conditions
CE e VIL
CE e VIL
CE e VIL
PGM e VIL
Min
2
2
2
2
2
2
0
2
0
0 45
20
5 75
12 2
5
24
08
08
Typ
05
25
60
13 0
00
40
15
15
Max
130
0 55
150
30
10
30
6 25
13 3
0 45
20
20
Units
ms
ms
ms
ms
ms
ms
ms
ms
ns
ms
ns
mA
mA
C
V
V
ns
V
V
V
V
5 http www national com
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet NMC27C64.PDF ] | |
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