Anderson Group at Harvard University
Chlorine Nitrate Experiment

IDX0 Other Components: 'U'

U1 54HC244 DIP20

Pin Signal Link To
1 DIG_GND(MDP) U1IDX0.10
2 $1N124(IDX0) U8IDX0.J18
3 $1N117(IDX0) U8IDX0.K18
4 $1N123(IDX0) U8IDX0.K17
5 $1N118(IDX0) U8IDX0.L18
6 $1N122(IDX0) U8IDX0.L17
7 $1N119(IDX0) U8IDX0.M18
8 ~INLIMIT_6 @ 0x50 Z1IDX0.8
9 $1N120(IDX0) U8IDX0.N18
10 DIG_GND(MDP) U1IDX0.19
11 ~OUTLIMIT_6 @ 0x51 Z1IDX0.9
12 $1N121(IDX0) U8IDX0.M17
13 ZEROREF_6 @ 0x56 Z1IDX0.7
14 ENABLE_6 @ 0x53 J33PC.71
15 KILL_A_6 @ 0x54 Z1IDX0.5
16 DIR_6 @ 0x52 J33PC.70
17 KILL_B_6 @ 0x55 Z1IDX0.3
18 STEP_6 @ 0x58 J33PC.68
19 DIG_GND(MDP) U2IDX0.1
20 VDD U2IDX0.20

U2 54HC244 DIP20

Pin Signal Link To
1 DIG_GND(MDP) U2IDX0.10
2 $1N116(IDX0) U8IDX0.B18
3 $1N108(IDX0) U8IDX0.C18
4 $1N114(IDX0) U8IDX0.D18
5 $1N109(IDX0) U8IDX0.E18
6 $1N113(IDX0) U8IDX0.F18
7 $1N110(IDX0) U8IDX0.G18
8 ~TV_INLIMIT @ 0x40 Z2IDX0.8
9 $1N111(IDX0) U8IDX0.H18
10 DIG_GND(MDP) U2IDX0.19
11 ~TV_OUTLIMIT @ 0x41 Z2IDX0.9
12 $1N112(IDX0) U8IDX0.H17
13 ZEROREF_TV @ 0x46 Z2IDX0.7
14 ENABLE_TV @ 0x43 J33PC.58
15 KILL_A_TV @ 0x44 Z2IDX0.5
16 DIR_TV @ 0x42 J33PC.57
17 KILL_B_TV @ 0x45 Z2IDX0.3
18 STEP_TV @ 0x48 J33PC.55
19 DIG_GND(MDP) U3IDX0.1
20 VDD U3IDX0.20

U3 54HC244 DIP20

Pin Signal Link To
1 DIG_GND(MDP) U3IDX0.10
2 $1N99(IDX0) U8IDX0.A10
3 $1N107(IDX0) U8IDX0.A11
4 $1N101(IDX0) U8IDX0.A12
5 $1N106(IDX0) U8IDX0.A13
6 $1N102(IDX0) U8IDX0.A14
7 $1N105(IDX0) U8IDX0.A15
8 ~GV2_INLIMIT @ 0x30 Z3IDX0.8
9 $1N104(IDX0) U8IDX0.A17
10 DIG_GND(MDP) U3IDX0.19
11 ~GV2_OUTLIMIT @ 0x31 Z3IDX0.9
12 $1N103(IDX0) U8IDX0.A16
13 ZEROREF_GV2 @ 0x36 Z3IDX0.7
14 ENABLE_GV2 @ 0x33 J33PC.45
15 KILL_A_GV2 @ 0x34 Z3IDX0.5
16 DIR_GV2 @ 0x32 J33PC.44
17 KILL_B_GV2 @ 0x35 Z3IDX0.3
18 STEP_GV2 @ 0x38 J33PC.42
19 DIG_GND(MDP) U4IDX0.1
20 VDD U4IDX0.20

U4 54HC244 DIP20

Pin Signal Link To
1 DIG_GND(MDP) U4IDX0.10
2 $1N224(IDX0) U8IDX0.B3
3 $1N217(IDX0) U8IDX0.A3
4 $1N223(IDX0) U8IDX0.A4
5 $1N218(IDX0) U8IDX0.A5
6 $1N222(IDX0) U8IDX0.A6
7 $1N219(IDX0) U8IDX0.A7
8 ~SV2_INLIMIT @ 0x20 Z4IDX0.8
9 $1N220(IDX0) U8IDX0.A9
10 DIG_GND(MDP) U4IDX0.19
11 ~SV2_OUTLIMIT @ 0x21 Z4IDX0.9
12 $1N221(IDX0) U8IDX0.A8
13 ZEROREF_SV2 @ 0x26 Z4IDX0.7
14 ENABLE_SV2 @ 0x23 J33PC.31
15 KILL_A_SV2 @ 0x24 Z4IDX0.5
16 DIR_SV2 @ 0x22 J33PC.30
17 KILL_B_SV2 @ 0x25 Z4IDX0.3
18 STEP_SV2 @ 0x28 J33PC.28
19 DIG_GND(MDP) U5IDX0.1
20 VDD U5IDX0.20

U5 54HC244 DIP20

Pin Signal Link To
1 DIG_GND(MDP) U5IDX0.10
2 $1N216(IDX0) U8IDX0.H1
3 $1N208(IDX0) U8IDX0.H2
4 $1N214(IDX0) U8IDX0.G1
5 $1N209(IDX0) U8IDX0.F1
6 $1N213(IDX0) U8IDX0.E1
7 $1N210(IDX0) U8IDX0.D1
8 ~GV1_INLIMIT @ 0x10 Z5IDX0.8
9 $1N211(IDX0) U8IDX0.B1
10 DIG_GND(MDP) U5IDX0.19
11 ~GV1_OUTLIMIT @ 0x11 Z5IDX0.9
12 $1N212(IDX0) U8IDX0.C1
13 ZEROREF_GV1 @ 0x16 Z5IDX0.7
14 ENABLE_GV1 @ 0x13 J33PC.18
15 KILL_A_GV1 @ 0x14 Z5IDX0.5
16 DIR_GV1 @ 0x12 J33PC.17
17 KILL_B_GV1 @ 0x15 Z5IDX0.3
18 STEP_GV1 @ 0x18 J33PC.15
19 DIG_GND(MDP) U6IDX0.1
20 VDD U6IDX0.20

U6 54HC244 DIP20

Pin Signal Link To
1 DIG_GND(MDP) U6IDX0.10
2 $1N199(IDX0) U8IDX0.P1
3 $1N207(IDX0) U8IDX0.N2
4 $1N201(IDX0) U8IDX0.N1
5 $1N206(IDX0) U8IDX0.M2
6 $1N202(IDX0) U8IDX0.M1
7 $1N205(IDX0) U8IDX0.L1
8 ~SV1_INLIMIT @ 0x0 Z6IDX0.8
9 $1N204(IDX0) U8IDX0.J1
10 DIG_GND(MDP) U6IDX0.19
11 ~SV1_OUTLIMIT @ 0x1 Z6IDX0.9
12 $1N203(IDX0) U8IDX0.K1
13 ZEROREF_SV1 @ 0x6 Z6IDX0.7
14 ENABLE_SV1 @ 0x3 J33PC.5
15 KILL_A_SV1 @ 0x4 Z6IDX0.5
16 DIR_SV1 @ 0x2 J33PC.4
17 KILL_B_SV1 @ 0x5 Z6IDX0.3
18 STEP_SV1 @ 0x8 J33PC.2
19 DIG_GND(MDP) U7IDX0.5
20 VDD U7IDX0.7

U7 XC17256 XC17256

Pin Signal Link To
1 XCHK9(IDX0) U8IDX0.U3
2 XCHK6(IDX0) U8IDX0.V1
3 XCHK10(IDX0) U8IDX0.V18
4 XCHK8(IDX0) U8IDX0.U17
5 DIG_GND(MDP) U8IDX0.C7
7 VDD U7IDX0.8
8 VDD U8IDX0.D3

U8 XC4010-5 PG191

Pin Signal Link To
A3 $1N217(IDX0) U4IDX0.3
A4 $1N223(IDX0) Z4IDX0.4
A5 $1N218(IDX0) U4IDX0.5
A6 $1N222(IDX0) Z4IDX0.6
A7 $1N219(IDX0) U4IDX0.7
A8 $1N221(IDX0) U4IDX0.12
A9 $1N220(IDX0) U4IDX0.9
A10 $1N99(IDX0) Z3IDX0.2
A11 $1N107(IDX0) U3IDX0.3
A12 $1N101(IDX0) Z3IDX0.4
A13 $1N106(IDX0) U3IDX0.5
A14 $1N102(IDX0) Z3IDX0.6
A15 $1N105(IDX0) U3IDX0.7
A16 $1N103(IDX0) U3IDX0.12
A17 $1N104(IDX0) U3IDX0.9
A18 XCHK1(IDX0) U8IDX0.C15
B1 $1N211(IDX0) U5IDX0.9
B3 $1N224(IDX0) Z4IDX0.2
B18 $1N116(IDX0) Z2IDX0.2
C1 $1N212(IDX0) U5IDX0.12
C7 DIG_GND(MDP) U8IDX0.C12
C12 DIG_GND(MDP) U8IDX0.D4
C15 XCHK1(IDX0) U8IDX0.C16
C16 XCHK1(IDX0) JTST_IDX0.1
C18 $1N108(IDX0) U2IDX0.3
D1 $1N210(IDX0) U5IDX0.7
D3 VDD U8IDX0.D10
D4 DIG_GND(MDP) U8IDX0.D9
D9 DIG_GND(MDP) U8IDX0.D15
D10 VDD U8IDX0.D16
D15 DIG_GND(MDP) U8IDX0.G3
D16 VDD U8IDX0.J4
D18 $1N114(IDX0) Z2IDX0.4
E1 $1N213(IDX0) Z5IDX0.6
E18 $1N109(IDX0) U2IDX0.5
F1 $1N209(IDX0) U5IDX0.5
F18 $1N113(IDX0) Z2IDX0.6
G1 $1N214(IDX0) Z5IDX0.4
G3 DIG_GND(MDP) U8IDX0.G16
G16 DIG_GND(MDP) U8IDX0.K4
G18 $1N110(IDX0) U2IDX0.7
H1 $1N216(IDX0) Z5IDX0.2
H2 $1N208(IDX0) U5IDX0.3
H17 $1N112(IDX0) U2IDX0.12
H18 $1N111(IDX0) U2IDX0.9
J1 $1N204(IDX0) U6IDX0.9
J4 VDD U8IDX0.J15
J15 VDD U8IDX0.R4
J16 XCHK12(IDX0) Z7IDX0.7
J18 $1N124(IDX0) Z1IDX0.2
K1 $1N203(IDX0) U6IDX0.12
K4 DIG_GND(MDP) U8IDX0.K15
K15 DIG_GND(MDP) U8IDX0.M3
K17 $1N123(IDX0) Z1IDX0.4
K18 $1N117(IDX0) U1IDX0.3
L1 $1N205(IDX0) U6IDX0.7
L17 $1N122(IDX0) Z1IDX0.6
L18 $1N118(IDX0) U1IDX0.5
M1 $1N202(IDX0) Z6IDX0.6
M2 $1N206(IDX0) U6IDX0.5
M3 DIG_GND(MDP) U8IDX0.M16
M16 DIG_GND(MDP) U8IDX0.R3
M17 $1N121(IDX0) U1IDX0.12
M18 $1N119(IDX0) U1IDX0.7
N1 $1N201(IDX0) Z6IDX0.4
N2 $1N207(IDX0) U6IDX0.3
N16 A_NOT0(IDX0) JSB_IDX0.1
N18 $1N120(IDX0) U1IDX0.9
P1 $1N199(IDX0) Z6IDX0.2
P16 A_NOT3(IDX0) JSB_IDX0.4
P17 A_NOT2(IDX0) JSB_IDX0.3
P18 A_NOT1(IDX0) JSB_IDX0.2
R1 JP0(IDX0) JP1IDX0.2
R2 JP1(IDX0) JP2IDX0.2
R3 DIG_GND(MDP) U8IDX0.R9
R4 VDD U8IDX0.R10
R9 DIG_GND(MDP) U8IDX0.R16
R10 VDD U8IDX0.R15
R15 VDD Z1IDX0.1
R16 DIG_GND(MDP) U8IDX0.T7
R17 A_NOT6(IDX0) JSB_IDX0.7
R18 A_NOT4(IDX0) JSB_IDX0.5
T2 EXPINTR_NOT(IDX0) JSB_IDX0.54
T4 XCHK16(IDX0) Z7IDX0.9
T5 XCHK15(IDX0) JTST_IDX0.15
T7 DIG_GND(MDP) U8IDX0.T12
T9 D_NOT15(IDX0) JSB_IDX0.36
T10 D_NOT8(IDX0) JSB_IDX0.29
T11 D_NOT6(IDX0) JSB_IDX0.27
T12 DIG_GND(MDP) C1IDX0.2
T15 A_NOT13(IDX0) JSB_IDX0.14
T16 A_NOT9(IDX0) JSB_IDX0.10
T17 A_NOT8(IDX0) JSB_IDX0.9
T18 A_NOT5(IDX0) JSB_IDX0.6
U1 EXPACK_NOT(IDX0) JSB_IDX0.56
U3 XCHK9(IDX0) JTST_IDX0.9
U4 EXPWR_NOT(IDX0) JSB_IDX0.48
U5 XCHK13(IDX0) JTST_IDX0.13
U6 XCHK11(IDX0) JTST_IDX0.11
U7 XCHK5(IDX0) Z7IDX0.4
U9 D_NOT13(IDX0) JSB_IDX0.34
U10 D_NOT11(IDX0) JSB_IDX0.32
U11 D_NOT7(IDX0) JSB_IDX0.28
U12 D_NOT4(IDX0) JSB_IDX0.25
U13 D_NOT2(IDX0) JSB_IDX0.23
U14 D_NOT0(IDX0) JSB_IDX0.21
U15 A_NOT14(IDX0) JSB_IDX0.15
U16 A_NOT11(IDX0) JSB_IDX0.12
U17 XCHK8(IDX0) Z7IDX0.5
U18 A_NOT7(IDX0) JSB_IDX0.8
V1 XCHK6(IDX0) JTST_IDX0.6
V2 CMDENBL_NOT(IDX0) JSB_IDX0.52
V3 CMDSTRB_NOT(IDX0) JSB_IDX0.50
V4 EXPRD_NOT(IDX0) JSB_IDX0.46
V5 XCHK14(IDX0) Z7IDX0.8
V6 XCHK7(IDX0) JTST_IDX0.7
V7 XCHK3(IDX0) Z7IDX0.3
V8 D_NOT14(IDX0) JSB_IDX0.35
V9 D_NOT12(IDX0) JSB_IDX0.33
V10 D_NOT10(IDX0) JSB_IDX0.31
V11 D_NOT9(IDX0) JSB_IDX0.30
V12 D_NOT5(IDX0) JSB_IDX0.26
V13 D_NOT3(IDX0) JSB_IDX0.24
V14 D_NOT1(IDX0) JSB_IDX0.22
V15 A_NOT15(IDX0) JSB_IDX0.16
V16 A_NOT12(IDX0) JSB_IDX0.13
V17 A_NOT10(IDX0) JSB_IDX0.11
V18 XCHK10(IDX0) Z7IDX0.6
[IDX0]

[IDX0] [Components] [Master] [Signals] [Check]

Connector pin assignments by Terry Allen.
Web listings compiled using Nets software on Thu Jun 24 10:54:48 1999
Copyright 1999 by the President and Fellows of Harvard College