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CT1496-2 데이터시트 PDF




Aeroflex Circuit Technology에서 제조한 전자 부품 CT1496-2은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 CT1496-2 기능
기능 CT1496-2 MIL-STD-1397 Type E 10MHz Low Level Serial Manchester 32 Bit Encoder
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CT1496-2 데이터시트, 핀배열, 회로
CT1496-2
MIL-STD-1397 Type E 10MHz
Low Level Serial Manchester 32 Bit Encoder
Features
• Implements Type E protocol
• Operates with a single +5V supply
• Single clock input (40MHz)
• Selectable 4, 34, 35 bit operation
• Selectable Parity
• Includes parallel to serial converter
• Self-test outputs for BITE applications
• External encoder inhibit
• Bipolar Construction
• Use with CT1469-2 (transceiver) & CT1508-2 (4 bit decoder)
to provide a complete low level serial interface
CIRCUIT TECHNOLOGY
www.aeroflex.com
FLEX LA
ISO
9001
C
E RTIFIED
General Description
CT1496-2 is a hybrid microcircuit which incorporates a low level serial Manchester encoder in a single
package. The encoder accepts 32 bit parallel data and outputs a 35 bit Manchester encoded TTL NRZ serial
stream (34 bit transmission if parity option is not selected). Preceding the 32 data bits are a synchronization
and word identifier bit and a parity bit trails the data (parity is optional and may be disabled). A self-test feature
is implementd allowing the user to verify transmit patterns. Aeroflex Circuit Technology is a 80,000 square
foot MIL-PRF-38534 certified facility in Plainview, N.Y.
LSB
Sync WI
Bit Bit
32-Bit
Parallel
Word Input
32-Bit
Word
Register
2-Bit
Register
MSB
Sys Clr / Load
SIS/SOS
Input
Sync
Data
C/I
Bit4
4-Bit
Register
+5V
Parity
Select
Encoder
Enable
Transmit /
Self-Test
4-Bit SIS/SOS
Select
34-Bit
Select
35-Bit
Select
40MHz
Clock TTL
GND
Vcc
Controller
Mux
External
Encoder
Inhibit
Manchester
Encoder
Timing
Section
Parity
Generator
DeMux
TX Data
TX Data
Data ST
Data ST
TX Inhibit
Block Diagram
eroflex Circuit Technology – Data Bus Modules For The Future © SCDCT1496 REV A 3/22/00




CT1496-2 pdf, 반도체, 판매, 대치품
DC Electrical Characteristics (con’t)
(VDD = 5V ±10%, TC = -55 °C to +100°C, unless otherwise specified)
SYMBOL
PARAMETER
LIMIT
Sync Bit, WI Bit, 4 Bit SIS / SOS Input & 32 Bit Parallel Word Input
IIH Logic High Input Current
20µA max @ VIH = 2.5V
IIL Logic Low Input Current 3/
-400µA max @ VIL = 0.5V
DC Supply Currents
ICC VCC = +5.5V (pin 31), all other pins at GND
590mA max
Notes:
1/ and 2/ The total loads on these outputpairs (1 & 2) must be matched to within 15pF in order to
maintain signal skews between the lines of < 5nSec maximum.
3/ Current out of a terminal is given as a negative value.
4/ Maximum total capacitance loads allowable on these pins are:
DATA, DATA
TX INHIBIT
DATAst & DATAst
40 pF max
45 pF max
50 pF max
AC Electrical Characteristics
(VCC = 5V ±10%, TC = -55 °C to +100°C, See Figure 1, unless otherwise specified)
Symbol
T1
T2
PW1
T3
PW2
T4
T5
T6
T7
PW3
PW4
T8
T9
PW5
PW6
T10
T11
Parameter / Condition
Stable input data setup time prior to Sys Clr / Load rising edge
Stable input data hold time after Sys Clr / Load rising edge
Sys Clr / Load pulsewidth
Sys Clr / Load disable to Encoder Enable pulse
Encoder Enable pulsewidth
Encoder Enable rising edge to TX Inhibit disable (thruput delay)
Transmit / Self Test selection to TX Inhibit disable set-up time
TX Inhibit disable to output data delay
(Transmit / Self Test = high)
DATA Output to DATA output delay
{ZLOAD (DATA) = ZLOAD (DATA), CLOAD < 40pF}
DATA and DATA output half-bit pulsewidth
DATA and DATA output bit pulsewidth
TX Inhibit disable to output DATAST delay
DATAST output DATAST output delay
{ZLOAD (DATAST) = ZLOAD (DATAST), CLOAD < 50pF}
DATAST and DATAST output half-bit pulsewidth
DATAST and DATAST output bit pulsewidth
End of output DATA, DATA, DATAst or DATAst to TX Inhibit enable
TX Inhibit enable to next Transmit / Self Test selection
Min Max Unit
40 -
20 -
50 -
40 -
100 400
30 140
50 -
- 10
ns
ns
ns
ns
ns
ns
ns
ns
- 5 ns
47 53 ns
97 103 ns
- 10 ns
- 5 ns
47 53 ns
97 103 ns
- 10 ns
50 - ns
Aeroflex Circuit Technology
4 SCDCT1496 REV A 3/22/00 Plainview NY (516) 694-6700

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CT1496-2 전자부품, 판매, 대치품
Functional Description and Pinout (con’t)
Pin #
Pin Name
Function
43-60
1-14
32 Bit Parallel
Word Input
(Pin 43 MSB)
(Pin 14 LBS)
32 Bit Parallel Input for Data Word. This data is latched into
the 32 Bit register on a Sys Clr / Load positive going edge.
16
Sync Bit
Input for Sync Bit which is latched into the 2 Bit Register on
a Sys Clr/Load positive going edge (Sync Bit always logic
high).
15
WI Bit
Input for Word Identifier Bit Which is latched into the 2 Bit
register on a Sys Clr / Load positive going edge.
4 Bit SIS / SOS Input: 4 Bit Parallel Input for SIS / SOS which is latched into the 4
24
Bit 4 (MSB)
Bit SIS/SOS Register on a Sys Clr / Load positive going
25 C/I
edge.
26 Data
27 Sync (LSB)
34 External Encoder Asynchronous inhibit. A low forces DATA and DATA to a
Inhibit
common high state and DATAST and DATAst to a common
low state.
17 Grounds. All ground pins are common and connected to
18 hybrid case.
19
23
28
30
35
1/ Equal loads must be applied to these output pairs.
Aeroflex Circuit Technology
7 SCDCT1496 REV A 3/22/00 Plainview NY (516) 694-6700

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부품번호상세설명 및 기능제조사
CT1496-2

CT1496-2 MIL-STD-1397 Type E 10MHz Low Level Serial Manchester 32 Bit Encoder

Aeroflex Circuit Technology
Aeroflex Circuit Technology

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