CT1496-2 Datasheet, PDF (4/9 Pages) Aeroflex Circuit Technology – CT1496-2 MIL-STD-1397 Type E 10MHz Low Level Serial Manchester 32 Bit Encoder

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
-
ns
20
-
ns
50
-
ns
40
-
ns
100 400 ns
30 140 ns
50
-
ns
-
10 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 [phone]