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PPECL2P25 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – 100K ECL Logic 4-Bit Programmable Delay Modules
100K ECL Logic 4-Bit Programmable Delay Modules
ELECTRICAL SPECIFICATIONS @ 25°C
Inherent Delay Time (Step 0) ..................... 2.00 ns + 0.50 ns
Delay Per Programming Step ................................ See Table
Maximum Programming Delay ................. 2 ns + (15 x Step)
Output Rise Time (20% to 80%) ........................ 2.00 ns Max.
OPERATING SPECIFICATIONS
VEE , Supply Voltage ....................................... -4.2 to -5.7VDC
IEE , Supply Current ................................................. 95 mA typ.
Logic "1" Input: VIH ......................................... -1.165V min.
IIH ........................................... 300 µA max.
Logic "0" Input: VIL ......................................... -1.475V max.
IIL ............................................. 0.5 µA min.
VOH Logic "1" Voltage Out .................................... -1.025 V min.
VOL Logic "0" Voltage Out ..................................... -1.620V max.
Storage Temperature Range ............................. -55o to +125oC
Operating Temperature Range ................................ 0o to +85oC
** Pin 22, Input is internally connected to 16 standard 100K inputs and
is internally terminated by Thevenin equivalent of 100 Ohms to -2V.
Schematic Diagram
IN P4 P3 P2 VEE P1
22 21 20 19 18 17
Passive
Delay
Network
100K ECL
16 to 1 MUX
Internal Termination
100 Ohm Thevenin to -2V
678
VCC VCCA OUT
Output
Buffer
TEST CONDITIONS
VEE Supply Voltage ................................................. -4.50 VDC
Input Pulse Rise Time ............................................. 2.0ns max.
Input Pulse Frequency .................................................. 10 MHz
Input Pulse Duty Cycle ...................................................... 50%
1. Measurements made at 25 oC
2. Output Terminated through 50 ohms to -2.00 VDC.
3. Delays measured at 50% level of leading edge.
4-Bit Prog.
100K ECL
Part Number
PPECL2P25
PPECL2P50
PPECL2P75
PPECL2-1
PPECL2-1.25
PPECL2-1.5
PPECL2-2
PPECL2-2.5
PPECL2-3
PPECL2-4
PPECL2-5
Delay per
Step (ns)
0.25 ± .12
0.50 ± .25
0.75 ± .35
1.00 ± .50
1.25 ± .60
1.50 ± .60
2.00 ± .70
2.50 ± .70
3.00 ± .70
4.00 ± .80
5.00 ± 1.0
Error ref.
to 0000
(ns)
± 0.50
± 0.50
± 1.0
± 1.0
± 1.0
± 1.0
± 1.5
± 1.5
± 1.5
± 3.0
± 3.0
Initial Delay
(ns)
0000
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
0000
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0001
0.25
0.50
0.75
1.00
1.25
1.50
2.00
2.50
3.00
4.00
5.00
Output Delay (ns) Referenced to "0000" per Program Setting (P4*P3*P2*P1)
0010
0.50
1.00
1.50
2.00
2.50
3.00
4.00
5.00
6.00
8.00
10.00
0011
0.75
1.50
2.25
3.00
3.75
4.50
6.00
7.50
9.00
12.00
15.00
0100
1.00
2.00
3.00
4.00
5.00
6.00
8.00
10.00
12.00
16.00
20.00
0101
1.25
2.50
3.75
5.00
6.25
7.50
10.00
12.50
15.00
20.00
25.00
0110
1.50
3.00
4.50
6.00
7.50
9.00
12.00
15.00
18.00
24.00
30.00
0111
1.75
3.50
5.25
7.00
8.75
10.50
14.00
17.50
21.00
28.00
35.00
1000
2.00
4.00
6.00
8.00
10.00
12.00
16.00
20.00
24.00
32.00
40.00
1001
2.25
4.50
6.75
9.00
11.25
13.50
18.00
22.50
27.00
36.00
45.00
1010
2.50
5.00
7.50
10.00
12.50
15.00
20.00
25.00
30.00
40.00
50.00
1011
2.75
5.50
8.25
11.00
13.75
16.50
22.00
27.50
33.00
44.00
55.00
1100
3.00
6.00
9.00
12.00
15.00
18.00
24.00
30.00
36.00
48.00
60.00
1101
3.25
6.50
9.75
13.00
16.25
19.50
26.00
32.50
39.00
52.00
65.00
1110
3.50
7.00
10.50
14.00
17.50
21.00
28.00
35.00
42.00
56.00
70.00
1111
3.75
7.50
11.25
15.00
18.75
22.50
30.00
37.50
45.00
60.00
75.00
24-Pin Package with Unused Pins Removed per Schematic. Dimensions inches (mm)
1.300
(33.02)
MAX
.520
(13.21)
MAX.
.350
(8.89)
MAX
.050
(1.27)
TYP.
.120
(3.05)
MIN.
.020
(0.51)
TYP.
.100
(2.54)
TYP.
.030
(0.76)
TYP.
.010
(0.25)
TYP.
.400
(10.16)
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
PPECL2 9901
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Phone: (714) 898-0960 • FAX: (714) 896-0971
www.rhombus-ind.com • email: sales@rhombus-ind.com