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參數(shù)資料
| 型號(hào)： | M27W401-80N6TR |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 通用總線功能 |
| 英文描述： | Synchronous 4-Bit Binary Counters 16-SOIC 0 to 70 |
| 中文描述： | 4兆位512KB的× 8低壓紫外線可擦寫(xiě)可編程只讀存儲(chǔ)器和OTP存儲(chǔ)器 |
| 文件頁(yè)數(shù)： | 4/15頁(yè) |
| 文件大?。?/td> | 102K |
| 代理商： | M27W401-80N6TR |
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M27W401
4/15
DEVICE OPERATION
The operatingmodes of theM27W401 are listed in
the Operating Modes table. A single power supply
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 M27W401 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
be used to gate data to the output pins, indepen-
dent of device selection. Assuming that the ad-
dresses are stable, the address access time
(t
AVQV
) is equal to the delay from E to output
(t
ELQV
). Datais available atthe output aftera delay
of t
GLQV
from the falling edge of G, assuming that
E has been low and the addresses have been sta-
ble for at least t
AVQV
-t
GLQV
.
Standby Mode
The M27W401 has a standby mode which reduc-
es the supply current from 15mA to 15
μ
A with low
voltage operation V
CC
≤
3.6V, see Read Mode DC
Characteristics table for details. The M27W401 is
placed in the standby mode by applying a CMOS
high signal to the E input. When in the standby
mode, the outputs are in a high impedance state,
independent of the G input.
Table 5. AC Measurement Conditions
High Speed
Standard
Input Rise and Fall Times
≤
10ns
≤
20ns
Input Pulse Voltages
0 to 3V
0.4V to 2.4V
Input and Output Timing Ref. Voltages
1.5V
0.8V and 2V
Figure 3. AC Testing Input Output Waveform
AI01822
3V
High Speed
0V
1.5V
2.4V
Standard
0.4V
2.0V
0.8V
Figure 4. AC Testing Load Circuit
AI01823B
1.3V
OUT
CL
CL= 30pF for High Speed
CL= 100pF for Standard
CLincludes JIG capacitance
3.3k
1N914
DEVICE
UNDER
TEST
Table 6. Capacitance
(1)
(T
A
= 25
°
C, f = 1 MHz)
Symbol
Note: 1. Sampled only, not 100% tested.
Parameter
Test Condition
Min
Max
Unit
C
IN
Input Capacitance
V
IN
= 0V
6
pF
C
OUT
Output Capacitance
V
OUT
= 0V
12
pF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M27W401-80XB6TR | Synchronous 4-Bit Binary Counters 16-SOIC 0 to 70 |
| M27W401-80XF6TR | Synchronous 4-Bit Binary Counters 16-SOIC 0 to 70 |
| M27W401-80XN6TR | Synchronous 4-Bit Binary Counters 16-SOIC 0 to 70 |
| M27W401-120XB6TR | 4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W401-150XB6TR | 4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M27W401-80XB6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W401-80XF6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W401-80XK6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W401-80XN6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W402 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 256Kb x16 Low Voltage UV EPROM and OTP EPROM |
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