PIN ASSIGNMENTS
N/C
DGND
DVCC
AGND
AGND
N/C
AVCC
VEE
VEE
AVCC
LINV
PIN FUNCTIONS
Name
V
IN
D
0
-D
9
D
10
CLK
NCLK
LINV
I/O
I
O
O
I
I
I
Function
Analog Input
Digital Output Data (D
0
= LSB) (TTL)
Overflow (TTL)
Clock (Internal Pull-Down to Ground)
Inverted Clock (ECL)
(Internal Pull-Down to -1.3 V)
Invert Least Significant Bits (D
0
-D
8
);
CMOS/TTL Level; Invert=+5 V;
Internal Pull-Down to Ground
Invert MSB (D
9
);
CMOS/TTL Level; Invert=+5 V;
Internal Pull-Down to Ground
Internal Top Reference Decoupling
(+1 V typical)
Internal Mid-Point Reference Decoupling
(0 V typical)
Internal Bottom Reference Decoupling
(-1 V typical)
+5 V Analog Supply
+5 V Digital Supply
-5.2 V Supply
Not Connected
Analog Ground
Digital Ground
43
40
37
44
41
38
42
39
DØ
D1
D2
D3
D4
D5
D6
D7
D8
D9
D1Ø
36
35
34
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
VB
N/C
N/C
VM
N/C
VIN
N/C
N/C
VT
AVCC
AVCC
44L Cerquad
28
27
26
25
24
23
MINV
I
V
T
V
M
N/A
N/A
N/A
I
I
I
-
I
I
13
16
19
12
15
18
14
17
20
21
22
V
B
DGND
DVCC
MINV
CLK
AGND
AGND
N/C
NCLK
N/C
VEE
VEE
AV
CC
DV
CC
V
EE
N/C
AGND
DGND
ORDERING INFORMATION
PART NUMBER
SPT7871SIQ
SPT7871SCU
TEMPERATURE RANGE
-40 to +85
°C
+25
°C
PACKAGE
44L Cerquad
Die*
*Please see the die specification for guaranteed electrical performance.
SPT7871
8
9/7/98
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
