參數(shù)資料
型號(hào): AM27C4096-200PI
廠商: ADVANCED MICRO DEVICES INC
元件分類: PROM
英文描述: 4 Megabit (256 K x 16-Bit) CMOS EPROM
中文描述: 256K X 16 OTPROM, 200 ns, PDIP40
封裝: PLASTIC, DIP-40
文件頁(yè)數(shù): 6/12頁(yè)
文件大小: 165K
代理商: AM27C4096-200PI
6
Am27C4096
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 μF ceramic capacitor (high frequency, low inherent
inductance) should be used on each device between
V
CC
and V
SS
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 μF bulk electrolytic capacitor should be used
between V
CC
and V
SS
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
Notes:
1. V
H
= 12.0 V
±
0.5 V.
2. X = Either V
IH
or V
IL
.
3.
A1–A8 and A10–17 = V
IL
.
4. See DC Programming Characteristics for V
PP
voltage during programming.
Mode
CE#/PGM#
OE#
A0
A9
V
PP
Outputs
Read
V
IL
V
IL
X
X
X
D
OUT
Output Disable
V
IL
V
IH
X
X
X
High Z
Standby (TTL)
V
IH
X
X
X
X
High Z
Standby (CMOS)
V
CC
±
0.3 V
X
X
X
X
High Z
Program
V
IL
V
IH
X
X
V
PP
D
IN
Program Verify
V
IH
V
IL
X
X
V
PP
D
OUT
Program Inhibit
V
IH
X
X
X
V
PP
High Z
Autoselect
(Note 3)
Manufacturer Code
V
IL
V
IL
V
IL
V
H
X
01h
Device Code
V
IL
V
IL
V
IH
V
H
X
19h
相關(guān)PDF資料
PDF描述
AM27C4096-255DC 6-bit buffers and line drivers 16-PDIP 0 to 70
AM27C4096-255DCB 6-bit buffers and line drivers 16-SO 0 to 70
AM27C4096-255DE 6-bit buffers and line drivers 16-SO 0 to 70
AM27C4096-255DEB 4 Megabit (256 K x 16-Bit) CMOS EPROM
AM27C4096-255DI 4 Megabit (256 K x 16-Bit) CMOS EPROM
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