M27C64A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M27C64A' PDF : 22 Pages View PDF
M27C64A
Device operation
Table 2. Operating Modes(1)
Mode
E
G
P
A9
Read
VIL
VIL
VIH
X
Output Disable
Program
VIL
VIH
VIH
X
VIL
X
VIL Pulse
X
Verify
VIL
VIL
VIH
X
Program Inhibit
VIH
X
X
X
Standby
VIH
X
X
X
Electronic Signature
VIL
VIL
VIH
VID
1. X = VIH or VIL, VID = 12V ± 0.5V.
Table 3. Electronic Signature
Identifier
A0 Q7 Q6 Q5 Q4 Q3 Q2
Manufacturer’s
Code
Device Code
VIL
1
0
0
1
1
0
VIH
0
0
0
0
1
0
VPP
Q70-Q0
VCC
Data Out
VCC
Hi-Z
VPP
Data Input
VPP Data Output
VPP
Hi-Z
VCC
Hi-Z
VCC
Codes
Q1 Q0 Hex Data
1
1
9Bh
0
0
08h
11/22
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