NM27C512N データシートの表示（PDF） - Fairchild Semiconductor
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NM27C512N Datasheet PDF : 10 Pages
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Programming Characteristics (Note 10) and (Note 11)
Symbol
tAS
tOES
tDS
tVCS
tAH
tDH
tCF
tPW
tOEH
tDV
tPRT
tVR
IPP
ICC
TR
VCC
VPP
tFR
VIL
VIH
tIN
tOUT
Parameter
Address Setup Time
OE Setup Time
Data Setup Time
VCC Setup Time
Address Hold Time
Data Hold Time
Chip Enable to Output Float Delay
Program Pulse Width
OE Hold Time
Data Valid from CE
OE Pulse Rise Time
during Programming
VPP Recovery Time
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
OE = VIL
OE = VIL
CE = VIL
OE = VPP
Min
1
1
1
1
0
1
0
45
1
50
1
20
6.25
12.5
5
2.4
0.8
0.8
Typ
50
25
6.5
12.75
0
4
Max
60
105
250
30
50
30
6.75
13
0.45
2
2
Units
µs
µs
µs
µs
µs
µs
ns
µs
µs
ns
ns
µs
mA
mA
°C
V
V
ns
V
V
V
V
Programming Waveforms
Addresses
2.0V
0.8V
Data
2.0V
0.8V
OE/VPP
12.75V
0.8V
CE/PGM
t PRT
Program
Address N
t AS
Data In Stable
Hi-Z
ADD N
t DS
t DH
t OES
t VPS
t VCS
t PW
t OEH
t VR
Program Verify
2.0V
0.8V
t DV
Data Out Valid
ADD N
t CF
t AH
VCC 6.25V
DS010834-5
Note 10: Fairchild’s standard product warranty applies to devices programmed to specifications described herein.
Note 11: 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 12: 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 0.1 µF capacitor is required across VCC to GND to suppress spurious voltage transients which
may damage the device.
5
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