NM27C128N150 Ver la hoja de datos (PDF) - Fairchild Semiconductor
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NM27C128N150 Datasheet PDF : 11 Pages
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Mode Selection
The modes of operation of NM27C128 listed in Table 1. A single 5V power supply is required in the read mode. All inputs are TTL levels
except for VPP and A9 for device signature.
TABLE 1. Modes Selection
Mode
Pins
CE
OE
PGM
VPP
VCC
Outputs
Read
Output Disable
Standby
Programming
Program Verify
Program Inhibit
VIL
VIL
VIH
VCC
5.0V
DOUT
X
VIH
VIH
VCC
5.0V
High-Z
VIH
X
X
VCC
5.0V
High-Z
VIL
VIH
VIL
12.75V
6.5V
DIN
VIL
VIL
VIH
12.75V
6.5V
DOUT
VIH
X
X
12.75V
6.5V
High-Z
Note 15: X can be VIL or VIH.
TABLE 2. Manufacturer’s Identification Code
Pins
A0 A9 O7 O6 O5 O4 O3 O2 O1 O0 Hex
(10) (24) (19) (18) (17) (16) (15) (13) (12) (11) Data
Manufacturer Code VIL
12V
1
0
0
0
1
1
1
1
8F
Device Code
VIH
12V
1
0
0
0
0
0
1
1
83
9
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