LTC1045
Programmable
Micropower Hex Translator/
Receiver/Driver
FEATURES
s
s
s
s
s
s
s
s
DESCRIPTION
The LTC
廬
1045 is a hex level translator manufactured using
Linear Technology鈥檚 enhanced LTCMOS
TM
silicon gate
process. It consists of six high speed comparators with
output latches and three-state capability. Each compara-
tor鈥檚 plus input is brought out separately. The minus inputs
of comparators 1 to 4 are tied to V
TRIP1
while 5 and 6 are
tied to V
TRIP2
.
The I
SET
pin has several functions. When taken to V
+
the
outputs are latched and power is completely shut off.
Power/speed can be programmed by connecting I
SET
to V
鈥?/div>
through an external resistor.
Efficiently Translate Voltage Levels
Internal Hysteresis for Noise Immunity
Output Latches Included
Three-State Outputs
Programmable Power/Speed
Power Can Be Completely Shut Off
鹵50V
on Inputs with External 100k Limit Resistor
1.2碌s Response at 100碌A(chǔ) Supply Current
APPLICATIONS
s
s
s
s
s
TTL/CMOS to
鹵5V
Analog Switch Drive
TTL to CMOS (3V to 15V V
CC
)
ECL to CMOS (3V to 15V V
CC
)
Ground Isolation Buffer
Low Power RS232 Line Receiver
, LTC and LT are registered trademarks of Linear Technology Corporation.
LTCMOS is a trademark of Linear Technology Corporation.
TYPICAL APPLICATION
5V
Flat Ribbon Cable Driver/Receiver
5V
20
TTL IN
XMT IN
+
鈥?/div>
V
+
1
V
OH
V
OL
DIS
13
11
20
XMT OUT
66-FT FLAT RIBBON CABLE
Z
O
= 150鈩?/div>
ADJACENT CONDUCTORS
150鈩?/div>
RCV IN
V
+
1
V
OH
V
OL
DIS
13
11
RCV OUT
1.4V
I
SET
12
10
V
鈥?/div>
0.5V
XMT IN (5V/DIV)
XMT OUT (1V/DIV)
RCV IN (1V/DIV)
RCV OUT (5V/DIV)
100ns/DIV
045 TA01a
U
U
U
+
鈥?/div>
TTL OUT
I
SET
12
V
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LTC1045CSW相關(guān)型號(hào)PDF文件下載
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