SM5837AF
Variable-length 1H Delay Line LSI
OVERVIEW
The SM5837AF is a variable-length delay line LSI. It has 12-bit input/output signal which can be set to
undergo a delay in the range of 31 to 2078 delay bits. Maximum operating frequency is 40MHz, making it
ideal for use in video signal processing applications.
FEATURES
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I
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I
PINOUT
(Top view)
PARA
RSTN
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Variable-length 1H delay
12-bit input/output signal width
31 to 2078- bit delay length range
40MHz maximum operating frequency
Selectable delay setting method
• 11-bit parallel input
• 3-line serial input
TTL-compatible input/outputs
Tristate outputs
4.75 to 5.25V operating voltage
Molybenum-gate CMOS process
Package: 44-pin QFP
DI0
DI1
DI2
DI3
DI4
DI5
36
DI6
35
44
43
42
41
40
39
38
37
DL0/SDI
DL1/SICK
DL2/LEN
DL3
DL4
VSS1
DL5
DL6
DL7
DL8
DL9
34
DI7
NC
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
DI8
DI9
DI10
DI11
OE
CLK
VDD
DO11
DO10
DO9
DO8
APPLICATIONS
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Video signal image processing
12
13
14
15
16
17
18
19
20
21
VSS2
DL10
DO0
DO1
DO2
DO3
DO4
DO5
DO7
ORDERING INFORMATION
Device
SM5837AF
Package
44-pin QFP
PACKAGE DIMENSIONS
(Unit: mm)
12.80 ± 0.30
10.00
12.80 ± 0.30
10.00
DO8
NC
22
0 to 10 °
0.60 ± 0.20
0.80
0.35 ± 0.10
0.17 ± 0.05
1.45
SEIKO NPC CORPORATION —1
1.75MAX
0 to 0.20
NPC [ NIPPON PRECISION CIRCUITS INC ]
