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參數(shù)資料
| 型號(hào)： | 27C64-15ISO |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Connector Wall Plate; Color:Black |
| 中文描述： | 64K的（8K的× 8）的CMOS存儲(chǔ)器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 105K |
| 代理商： | 27C64-15ISO |
Q2
VSS
A3
A2
A1
A0
Q0
Q1
G
A10
E
Q7
Q6
Q5
Q4
Q3
A11
NC
A8
P
A12
A7
A6
A5
A4
VPP
VCC
AI00835
M27C64A
8
9
10
11
12
13
14
1
2
3
4
5
6
7
20
19
18
17
16
15
A9
28
27
26
25
24
23
22
21
Figure 2A. DIP Pin Connections
Warning:
NC = Not Connected
AI00836
N
A8
A9
A11
NC
G
A10
E
Q
17
A0
NC
Q0
Q
Q
D
Q
A6
A5
A4
A3
A2
A1
9
P
1
V
Q6
A
Q7
32
D
V
M27C64A
A
Q
25
V
Figure 2B. LCC Pin Connections
Warning:
NC = Not Connected, DU = Don’t Use
Symbol
Parameter
Value
Unit
T
A
Ambient Operating Temperature
(3)
–40 to 125
°
C
T
BIAS
Temperature Under Bias
–50 to 125
°
C
T
STG
Storage Temperature
–65 to 150
°
C
V
IO (2)
Input or Output Voltages (except A9)
–2 to 7
V
V
CC
Supply Voltage
–2 to 7
V
V
A9 (2)
A9 Voltage
–2 to 13.5
V
V
PP
Program Supply Voltage
–2 to 14
V
Notes:
1. Except for the rating "Operating Temperature Range", stresses above those listed in the Table "Absolute Maximum Ratings"
may 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 conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other
relevant quality documents.
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
voltage on Output is V
CC
+0.5V with possible overshoot to V
CC
+2V for a period less than 20ns.
3. Depends on range.
Table 2. Absolute Maximum Ratings
(1)
DEVICE OPERATION
The modes of operation of the M27C64A are listed
in the Operating Modes table. A single power sup-
ply is required in the read mode. All inputs are TTL
levels except for V
PP
and 12V on A9 for Electronic
Signature.
Read Mode
The M27C64A has two control functions, both of
which must be logically active in order to obtain
data at the outputs. Chip Enable (E) is the power
control and should be used for device selection.
Output Enable (G) is the output control and should
2/12
M27C64A
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