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參數資料
| 型號： | AM27C040-150JC |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 4 Megabit (512 K x 8-Bit) CMOS EPROM |
| 中文描述： | 512K X 8 OTPROM, 150 ns, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁數： | 10/13頁 |
| 文件大小： | 174K |
| 代理商： | AM27C040-150JC |
6
Am27C040
FI NAL
common connection to all devices in the array and con-
nected to the READ line from the system control bus.
This assures that all deselected memory devices are in
their low-power standby mode and that the output pins
are only active when data is desired from a particular
memory device.
System Applications
During the switch between active and standby condi-
tions, transient current peaks are produced on the ris-
ing and falling edges of Chip Enable. The magnitude of
these transient current peaks is dependent on the out-
put capacitance loading of the device. At a minimum, a
0.1 F ceramic capacitor (high frequency, low inherent
inductance) should be used on each device between
VCC and VSS to minimize transient effects. In addition,
to overcome the voltage drop caused by the inductive
effects of the printed circuit board traces on EPROM ar-
rays, a 4.7 F bulk electrolytic capacitor should be used
between VCC and VSS for each eight devices. The loca-
tion of the capacitor should be close to where the
power supply is connected to the array.
MODE SELECT TABLE
Note:
1. VH = 12.0 V ± 0.5 V.
2. X = Either VIH or VIL
3. A1 – A8 = A10 – A18 = VIL
4. See DC Programming Characteristics in the EPROM Products Data Book for VPP voltage during programming
Mode
CE#/PGM#
OE#
A0
A9
VPP
Outputs
Read
VIL
XX
X
DOUT
Output Disable
VIL
VIH
X
HIGH Z
Standby (TTL)
VIH
X
HIGH Z
Standby (CMOS)
VCC + 0.3 V
X
HIGH Z
Program
VIL
VIH
XX
VPP
DIN
Program Verify
VIL
XX
VPP
DOUT
Program Inhibit
VIH
XX
X
VPP
HIGH Z
Auto Select
(Note 3)
Manufacturer Code
VIL
VH
X
01h
Device Code
VIL
VIH
VH
X
9Bh
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AM27C040-150JE | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:4 Megabit (512 K x 8-Bit) CMOS EPROM |
| AM27C040-150JI | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:4 Megabit (512 K x 8-Bit) CMOS EPROM |
| AM27C040-150LCB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AM27C040-150LEB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AM27C040-150LIB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
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