PIN ASSIGNMENTS
DGND
D0
D1
D2
D3
D4
D5
D6
D7
1
2
3
4
5
6
7
8
9
32
31
30
29
28
27
PIN FUNCTIONS
DV
CC
V
EE
AGND
V
CC
V
FB
Name
DGND
AGND
D0-D11
D12
CLK
V
EE
V
CC
V
RT1
-V
RT3
V
IN
DV
CC
V
FT
V
ST
V
FB
Function
Digital Ground
Analog Ground
TTL Outputs (D0=LSB)
TTL Output Overrange
Clock Input
-5.2 V Supply
+5.0 V supply
Voltage Reference Taps
Analog Input
Digital +5.0 V Supply (TTL Outputs)
Force for Top of Reference Ladder
Sense for Top of Reference Ladder
Force for Bottom of Reference Ladder
Sense for Bottom of Reference Ladder
V
SB
V
V
V
V
RT1
RT2
32L Sidebrazed
26
25
24
23
22
21
20
19
18
17
IN
RT3
D8
10
D9
11
D10
12
D11
13
D12
14
DGND
15
DV
CC 16
AGND
V
ST
V
FT
V
CC
AGND
V
EE
CLK
DVCC
DGND
VCC
VEE
N/C
N/C
N/C
42
N/C
DØ
43
D1
44
36
39
35
38
41
34
37
40
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
N/C
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
N/C
VFB
VSB
VRT1
VRT2
VIN
VRT3
VST
VFT
N/C
VCC
V
SB
44L Cerquad
28
27
26
25
24
23
20
17
14
21
18
15
ORDERING INFORMATION
PART NUMBER
SPT7921SCJ
SPT7921SCQ
TEMPERATURE RANGE
0 to +70
°C
0 to +70
°C
PACKAGE
32L Sidebrazed Dip
44L Cerquad
12
22
19
16
13
CLK
DVCC
DGND
N/C
VEE
AGND
D12
N/C
N/C
N/C
N/C
SPT7921
11
3/10/97
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
