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參數(shù)資料
| 型號(hào)： | M27C322-100P3 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 32 Mbit 2Mb x16 UV EPROM and OTP EPROM |
| 中文描述： | 32兆位存儲(chǔ)器的2Mb x16紫外線和OTP存儲(chǔ)器 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 112K |
| 代理商： | M27C322-100P3 |
M27C322
2/13
Figure 2A. DIP Connections
GVPP
Q0
Q8
Q1
Q9
A3
A2
A1
A0
E
VSS
A13
A14
A15
A16
A20
VSS
Q15
Q7
Q14
Q6
Q13
A12
Q5
Q12
Q2
Q10
Q3
Q11
VCC
Q4
A9
A10
A8
A17
A7
A6
A5
A4
A18
A19
AI02157
M27C322
8
9
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
32
31
30
29
28
27
26
25
24
23
22
20
21
19
18
42
41
39
38
37
36
35
34
33
A11
40
from E to output (t
ELQV
). Data is available at the
output after a delay of t
GLQV
from the falling edge
of GV
PP
, assuming that E has been low and the
addresses have been stable for at least t
AVQV
-
t
GLQV
.
Standby Mode
The M27C322 has a standby mode which reduces
the supply current from 50mA to 100μA. The
M27C322 is placed in the standby mode by apply-
ing a CMOS high signal to the E input.When in the
standby mode, the outputs are in a high imped-
ance state, independent of the GV
PP
input.
Two Line Output Control
Because EPROMs are usually used in larger
memory arrays, this product features a 2 line con-
trol function which accommodates the use of mul-
tiple memory connection. The two line control
function allows:
a. the lowest possible memory power dissipation,
b. complete assurance that output bus contention
will not occur.
For the most efficient use of these two control
lines, E should be decoded and used as the prima-
ry device selecting function, while GV
PP
should be
made a common connection to all devices in the
array and connected to the READ line from the
system control bus. This ensures that all deselect-
ed memory devices are in their low power standby
mode and that the output pins are only active
when data is required from a particular memory
device.
Table 1. Signal Names
A0-A20
Address Inputs
Q0-Q15
Data Outputs
E
Chip Enable
GV
PP
Output Enable / Program Supply
V
CC
Supply Voltage
V
SS
Ground
DEVICE OPERATION
The operating modes of the M27C322 are listed in
the Operating Modes Table. A single power supply
is required in the read mode. All inputs are TTL
compatible except for V
PP
and 12V on A9 for the
Electronic Signature.
Read Mode
The M27C322 has a word-wide organization. Chip
Enable (E) is the power control and should be
used for device selection. Output Enable (G) is the
output control and should be used to gate data to
the output pins independent of device selection.
Assuming that the addresses are stable, the ad-
dress access time (t
AVQV
) is equal to the delay
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PDF描述 |
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| M27C322-100P1 | 32 Mbit 2Mb x16 UV EPROM and OTP EPROM |
| M27C322-100F6 | 32 Mbit 2Mb x16 UV EPROM and OTP EPROM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M27C322-100S1 | 功能描述:可擦除可編程ROM 32M (2Mx16) 100ns RoHS:否 制造商:Maxim Integrated 類型: 存儲(chǔ)容量:1024 bit 組織:1 K x 1 接口類型: 工作電流:5 uA 編程電壓: 工作電源電壓:2.8 V to 6 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-92 |
| M27C4001-10B1 | 功能描述:可擦除可編程ROM 4M (512Kx8) 100ns RoHS:否 制造商:Maxim Integrated 類型: 存儲(chǔ)容量:1024 bit 組織:1 K x 1 接口類型: 工作電流:5 uA 編程電壓: 工作電源電壓:2.8 V to 6 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-92 |
| M27C4001-10B1E | 制造商:STMicroelectronics 功能描述:4 MBIT (512KB X 8) UV EPROM AND OTP EPROM |
| M27C4001-10C1 | 功能描述:可擦除可編程ROM 4M (512Kx8) 100ns RoHS:否 制造商:Maxim Integrated 類型: 存儲(chǔ)容量:1024 bit 組織:1 K x 1 接口類型: 工作電流:5 uA 編程電壓: 工作電源電壓:2.8 V to 6 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-92 |
| M27C4001-10C1 | 制造商:STMicroelectronics 功能描述:PROM OTP CMOS 4MB 27C4001 PLCC32 |
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