8
9/7/98
SPT7871
PIN FUNCTIONS
Name
V
IN
D
0
-D
9
D
10
CLK
NCLK
I/O
I
O
O
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
LINV
I
MINV
I
V
T
N/A
V
M
N/A
V
B
N/A
AV
CC
DV
CC
V
EE
N/C
AGND
DGND
I
I
I
-
I
I
PIN ASSIGNMENTS
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.
VB
N/C
N/C
VM
N/C
VIN
N/C
N/C
VT
AVCC
AVCC
N
D
D
L
N
V
V
A
A
A
A
N
D
D
M
C
N
N
V
V
A
A
D
D1
D2
D3
D4
D5
D6
D7
D8
D9
D1
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
1
1
1
1
1
1
1
1
2
2
2
4
4
4
4
4
3
3
3
3
3
3
44L Cerquad
LIFE SUPPORT POLICY
FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE
EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems which, (a) are
intended for surgical implant into the body, or (b) support or sustain life,
and whose failure to perform, when properly used in accordance with
instructions for use provided in the labeling, can be reasonably expected
to result in a significant injury to the user.
2. A critical component is any component of a life support device or system
whose failure to perform can be reasonably expected to cause the failure
of the life support device or system, or to affect its safety or effectiveness.
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO
IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF
ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF
OTHERS.
www.fairchildsemi.com
Copyright 2002 Fairchild Semiconductor Corporation