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NM27C512 Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. NM27C512
Description  524,288-Bit (64K x 8) High Performance CMOS EPROM
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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NM27C512 Datasheet(HTML) 5 Page - National Semiconductor (TI)

 
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Programming Characteristics (Notes 1 and 2)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
tAS
Address Setup Time
1
m
s
tOES
OE Setup Time
1
m
s
tDS
Data Setup Time
1
m
s
tVCS
VCC Setup Time
1
m
s
tAH
Address Hold Time
0
m
s
tDH
Data Hold Time
1
m
s
tCF
Chip Enable to Output Float Delay
OE e VIL
060
ns
tPW
Program Pulse Width
95
100
105
m
s
tOEH
OE Hold Time
1
m
s
tDV
Data Valid from CE
OE e VIL
250
ns
tPRT
OE Pulse Rise Time
50
ns
during Programming
tVR
VPP Recovery Time
1
m
s
IPP
VPP Supply Current during
CE e VIL
30
mA
Programming Pulse
OE e VPP
ICC
VCC Supply Current
50
mA
TR
Temperature Ambient
20
25
30
C
VCC
Power Supply Voltage
6
625
65
V
VPP
Programming Supply Voltage
125
1275
13
V
tFR
Input Rise Fall Time
5
ns
VIL
Input Low Voltage
0
045
V
VIH
Input High Voltage
24
4
V
tIN
Input Timing Reference Voltage
08
2
V
tOUT
Output Timing Reference Voltage
08
2
V
Programming Waveforms
TLD10834 – 5
Note 1
National’s standard product warranty applies to devices programmed to specifications described herein
Note 2
VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP The EPROM must not be inserted into or removed from a
board with voltage applied to VPP or VCC
Note 3
The maximum absolute allowable voltage which may be applied to the VPP pin during programming is 14V Care must be taken when switching the VPP
supply to prevent any overshoot from exceeding this 14V maximum specification At least a 01 mF capacitor is required across VCC to GND to suppress spurious
voltage transients which may damage the device
Note 4
Programming and program verify are tested with the fast Program Algorithm at typical power supply voltages and timings
5


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