M27C256B-10B1X STMICROELECTRONICS [STMicroelectronics], M27C256B-10B1X Datasheet - Page 3

• Manufacturer Part Number: M27C256B-10B1X
• Description: 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 2. Absolute Maximum Ratings
Note: 1. Except for the rating "Operating Temperature Range", stresses above those listed in the Table "Absolute Maximum Ratings" may
Table 3. Operating Modes
Note: X = V
Table 4. Electronic Signature
Read
Output Disable
Program
Verify
Program Inhibit
Standby
Electronic Signature
Manufacturer’s Code
Device Code
Symbol
V
V
T
T
2. Minimum DC voltage on Input or Output is –0.5V with possible undershoot to –2.0V for a period less than 20ns. Maximum DC
3. Depends on range.
V
V
A9
IO
BIAS
T
STG
Identifier
CC
PP
A
cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions
above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating condi-
tions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant qual-
ity documents.
voltage on Output is V
(2)
(2)
IH
or V
Mode
IL
Ambient Operating Temperature
Temperature Under Bias
Storage Temperature
Input or Output Voltage (except A9)
Supply Voltage
A9 Voltage
Program Supply Voltage
, V
ID
= 12V ± 0.5V.
CC
V
V
A0
IH
IL
+0.5V with possible overshoot to V
Q7
V
0
1
IL
V
V
V
V
V
V
Pulse
E
IH
IH
IH
IL
IL
IL
Parameter
(1)
Q6
0
0
(3)
Q5
1
0
V
V
V
V
V
V
G
X
IH
IH
IH
IL
IL
IL
CC
+2V for a period less than 20ns.
Q4
0
0
Q3
0
1
V
A9
X
X
X
X
X
X
ID
Q2
0
1
–40 to 125
–50 to 125
–65 to 150
Q1
–2 to 13.5
V
V
V
V
V
V
V
V
0
0
–2 to 14
–2 to 7
–2 to 7
CC
CC
CC
CC
PP
PP
PP
PP
Value
Q0
0
1
M27C256B
Data Out
Data Out
Data In
Q7-Q0
Codes
Hex Data
Hi-Z
Hi-Z
Hi-Z
8Dh
20h
Unit
°C
°C
°C
V
V
V
V
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