參數(shù)資料
型號: EPM7256B
廠商: Altera Corporation
英文描述: Programmable Logic Device Family(MAX7000B可編程邏輯系列器件)
中文描述: 可編程邏輯器件系列(MAX7000B可編程邏輯系列器件)
文件頁數(shù): 27/125頁
文件大?。?/td> 1053K
代理商: EPM7256B
Altera Corporation
27
MAX 7000B Programmable Logic Device Family Data Sheet
Preliminary Information
Notes to tables:
(1)
See the
Operating Requirements for Altera Devices Data Sheet
.
(2)
Minimum DC input voltage is –0.5 V. During transitions, the inputs may undershoot to –2.0 V or overshoot to 4.6 V
for input currents less than 100 mA and periods shorter than 20 ns.
(3)
All pins, including dedicated inputs, I/ O pins, and JTAG pins, may be driven before V
CCINT
and V
CCIO
are
powered.
(4)
These values are specified under the Recommended Operating Conditions in
Table 12 on page 25
.
(5)
The parameter is measured with 50
%
of the outputs each sourcing the specified current. The I
OH
parameter refers
to high-level TTL or CMOS output current.
(6)
The parameter is measured with 50
%
of the outputs each sinking the specified current. The I
OL
parameter refers to
low-level TTL or CMOS output current.
(7)
This pull-up exists while devices are being programmed in-system and in unprogrammed devices during
power-up. The pull-up resistor is from the pins to V
CCIO
.
(8)
Capacitance is measured at 25
°
C and is sample-tested only. Two of the dedicated input pins (
OE1
and
GCLRN
) have
a maximum capacitance of 15 pF.
Figure 12
shows the typical output drive characteristics of MAX 7000B
devices.
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