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Электронный компонент: SM5837AF

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SM5837AF
NIPPON PRECISION CIRCUITS--1
NIPPON PRECISION CIRCUITS INC.
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 40 MHz, making it
ideal for use in video signal processing applications.
FEATURES
s
Variable-length 1H delay
s
12-bit input/output signal width
s
31 to 2078- bit delay length range
s
40 MHz maximum operating frequency
s
Selectable delay setting method
11-bit parallel input
3-line serial input
s
TTL-compatible input/outputs
s
Tristate outputs
s
4.75 to 5.25 V operating voltage
s
44-pin QFP
s
Molybenum-gate CMOS process
APPLICATIONS
s
Video signal image processing
PINOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
TOP VIEW
DL0/SDI
DL1/SICK
DL2/LEN
DL3
DL4
VSS1
DL5
DL6
DL7
DL8
DL9
DI8
DI9
DI10
DI11
OE
CLK
VDD
DO11
DO10
DO9
DO8
DL10
DO0
DO1
DO2
DO3
VSS2
DO4
DO5
DO7
DO8
(NC)
(NC)
PARA
RSTN
DI0
DI1
DI2
DI3
DI4
DI5
DI6
DI7
S
M
5837
A
F
PACKAGE DIMENSIONS
Unit: mm
44-pin QFP
0.17
0.05
+ -
10.00
10.00
12.80
0.30
+ -
1.75MAX
0 to 0.20
1.45
0.80
12.80 0.30
+-
0.35 0.10
+-
+-
0.60 0.20
0 to 10
SM5837AF
NIPPON PRECISION CIRCUITS--2
BLOCK DIAGRAM
PIN DESCRIPTION
Number
Name
I/O
(1)
Function
1
DL0/SDI
Ip
Delay length set parallel data bit DL0 (LSB) when PARA is HIGH, and SDI serial data input when PARA is LOW.
2
DL1/SICK
Ip
Delay length set parallel data bit DL1 (bit 1) when PARA is HIGH, and SICK shift clock when PARA is LOW.
3
DL2/LEN
Ip
Delay length set parallel data bit DL2 (bit 2) when PARA is HIGH, and LEN latch clock when PARA is LOW.
4
DL3
Ip
Delay length set data bit 3
5
DL4
Ip
Delay length set data bit 4
6
VSS1
Ground (0 V) pin 1
7
DL5
Ip
Delay length set data bit 5
8
DL6
Ip
Delay length set data bit 6
9
DL7
Ip
Delay length set data bit 7
10
DL8
Ip
Delay length set data bit 8
11
DL9
Ip
Delay length set data bit 9
12
DL10
Ip
Delay length set data bit 10
13
DO0
O
Signal output data bit 0
14
DO1
O
Signal output data bit 1
15
DO2
O
Signal output data bit 2
16
DO3
O
Signal output data bit 3
17
VSS2
Ground (0 V) pin 2
18
DO4
O
Signal output data bit 4
19
DO5
O
Signal output data bit 5
20
DO6
O
Signal output data bit 6
21
DO7
O
Signal output data bit 7
Variable-length
12-bit
1H Delay
Delay Length Control
DI0 - 11
SDI
SICK
LEN
VSS2
VDD
OE
DO0 - 11
Parallel/Serial Select
SIPO
CLK
RSTN
PARA
DL0 - 10
VSS1
11
11
11
12
12
12
Output Buffer
SM5837AF
NIPPON PRECISION CIRCUITS--3
SPECIFICATIONS
Absolute Maximum Ratings
V
SS
= V
SS1
= V
SS2
= 0 V
Recommended Operating Conditions
V
SS
= 0 V
1. Ip = input pin with built-in pull-up resistor, O = output.
22
NC
No connection
23
DO8
O
Signal output data bit 8
24
DO9
O
Signal output data bit 9
25
DO10
O
Signal output data bit 10
26
DO11
O
Signal output data bit 11
27
VDD
Supply (5 V) pin
28
CLK
I
Clock input
29
OE
Ip
Tristate output enable. Enable when HIGH, and disable when LOW.
30
DI11
Ip
Signal input data bit 11
31
DI10
Ip
Signal input data bit 10
32
DI9
Ip
Signal input data bit 9
33
DI8
Ip
Signal input data bit 8
34
DI7
Ip
Signal input data bit 7
35
DI6
Ip
Signal input data bit 6
36
DI5
Ip
Signal input data bit 5
37
DI4
Ip
Signal input data bit 4
38
DI3
Ip
Signal input data bit 3
39
DI2
Ip
Signal input data bit 2
40
DI1
Ip
Signal input data bit 1
41
DI0
Ip
Signal input data bit 0
42
RSTN
Ip
Reset pin. Normal operation when HIGH, and reset operation when LOW.
43
PARA
Ip
Delay length setting method select.
Parallel data (DL0 to DL10) when HIGH, and serial input (SDI, SICK, LEN) when LOW.
44
NC
No connection
Parameter
Symbol
Condition
Rating
Unit
Supply voltage range
V
DD
-
0.3 to 7.0
V
Input voltage range
V
IN
V
SS
-
0.3 to V
DD
+ 0.3
V
Storage temperature range
T
stg
-
40 to 125
C
Power dissipation
P
D
450
mW
Soldering temperature
T
sld
255
C
Soldering time
t
sld
10
s
Parameter
Symbol
Condition
Rating
Unit
Supply voltage range
V
DD
4.75 to 5.25
V
Operating temperature
T
opr
-
20 to 70
C
Number
Name
I/O
(1)
Function
SM5837AF
NIPPON PRECISION CIRCUITS--4
DC Characteristics
V
DD
= 4.75 to 5.25 V, V
SS
= 0 V, T
a
=
-
20 to 70
C unless otherwise specified
AC Characteristics
V
DD
= 4.75 to 5.25 V, V
SS
= 0 V, T
a
=
-
20 to 70
C unless otherwise specified
1. Pin CLK.
2. Pins DI0 to DI11, PARA, DL0/SDI, DL1/SICK, DL2/LEN, DL3 to DL10, OE and RSTN.
3. Pins DO0 to DO11.
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Current consumption
I
DD
V
DD
= 5.0 V, CLK frequency
f
C
= 40 MHz, OE = 0 V
85
mA
Input voltage
(1)
(2)
V
IH
2.4
V
V
IL
0.5
V
Output voltage
(3)
V
OH
I
OH
=
-
0.4 mA
4.0
V
V
OL
I
OL
= 1.6 mA
0.4
V
Input current
(2)
I
IL
V
IN
= 0 V
10
20
A
Input leakage current
(1) (2)
I
LH
V
IN
= V
DD
1
A
Input leakage current
(1)
I
LL
V
IN
= 0 V
1
A
Output high-impedance leakage
current
(3)
I
ZH
V
OUT
= V
DD
5
A
I
ZL
V
OUT
= 0 V
5
A
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
CLK clock cycle
t
CP1
25
ns
CLK clock HIGH-level pulsewidth
t
CH1
10
ns
CLK clock LOW-level pulsewidth
t
CL1
10
ns
SICK clock cycle
t
CP2
50
ns
SICK clock HIGH-level pulsewidth
t
CH2
20
ns
SICK clock LOW-level pulsewidth
t
CL2
20
ns
CLK, SICK and LEN rise time
t
CR
1.0 to 2.0 V
10
ns
CLK, SICK and LEN fall time
t
CF
1.0 to 2.0 V
10
ns
DI0 to DI11, DL0 to DL10 and RSTN
setup time
t
S1
10
ns
DI0 to DI11, DL0 to DL10 and RSTN
hold time
t
H1
0
ns
SDI setup time
t
S2
25
ns
SD1 hold time
t
H2
25
ns
SICK rising edge
LEN rising edge
t
CE
25
ns
LEN rising edge
SICK rising edge
t
EC
25
ns
CLK
DO0 to D011 output delay
t
PD
See "Load conditions 1".
20
ns
CLK
DO0 to D011 output hold time
t
OH
5
ns
OE HIGH-level pulsewidth
t
OEH
50
ns
OE LOW-level pulsewidth
t
OEL
50
ns
SM5837AF
NIPPON PRECISION CIRCUITS--5
OE
DO0 to DO11 output enable
delay
t
PZL
See "Load conditions 2".
25
ns
t
PZH
25
ns
OE
DO0 to DO11 output disable
delay
t
PLZ
25
ns
t
PHZ
25
ns
Input capacitance
C
IN
f = 1 MHz
10
pF
Output capacitance
C
OUT
f = 1 MHz, OE = V
IL
15
pF
Load conditions 1
Load conditions 2
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
40pF
40pF
OUTPUT
OUTPUT
500
PZH
t
PHZ
t
0V(
)
,
PZL
t
PLZ
t
2.6V(
)
,
2.0V
1.0V
2.4V Min
1.5V
0.5V Max
CLK
CR
t
CF
t
1.5V
1.5V
CLK
DI0 - 11
1.5V
RSTN
1.5V
DL0 - 10
CP1
t
S1
t
H1
t
S1
t
H1
t
S1
t
H1
t
CLK
OH
t
PD
t
VALID
DO0 - 11
1.5V
1.5V
VALID
CH1
t
CL1
t