List of figures STLED316S
4/33
List of figures
Figure 1. STLED316S functional diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. STLED316S application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. STLED316S pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4. Key matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 5. Serial communication format (reception) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 6. Serial communication format (transmission). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 7. Switching characteristics waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 8. Graph of ISET against RSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 9. STLED316S application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 10. SO-24 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
STLED316S List of tables
5/33
List of tables
Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2. Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 3. Seven segment display with dot point and common-anode LED panel . . . . . . . . . . . . . . . 11
Table 4. Absolute maximum ratings (all voltages are referenced to GND). . . . . . . . . . . . . . . . . . . . 13
Table 5. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table 6. DC electrical characteristics
(T
A
= -40 to +85 °C, V
CC
= 5.0 V ± 10%, GND = 0 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 7. Capacitance (T
A
= 25 °C, f = 1 MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 8. Power supply characteristics (TA = -40 to +85 °C). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 9. Dynamic switching characteristics
(TA = -40 to +85 °C, VCC = 5.0 V ± 10%, GND = 0.0 V, typical values are at 25 °C) . . . . 16
Table 10. Timing characteristics
(TA = -40 to +85 °C, V
CC
= 5.0 V ± 10%, GND = 0.0 V, Typical values are at 25 °C) . . . . 16
Table 11. ESD performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 12. Read command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 13. Memory page mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 14. Digit address mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 15. LED address mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 16. Memory page address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 17. 7-segment display address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 18. LED display address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 19. Part list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 20. SO-24 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 21. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
STLED316S functional and application diagram STLED316S
6/33
1 STLED316S functional and application diagram
The STLED 316S consists of the following blocks:
Current source
POR and soft-start
Interrupt generator
Serial interface
Digital logic blocks
Drivers
Figure 1. STLED316S functional diagram
CLK
KEY1-KEY2
8
7
DIG7
STB
DIN/DOUT
SEG1/KS1
VCC
Internal
reset
ISET
DIG2
SEG8/KS8
IRQ_N
DIG1_LED
2
Command
decoder
Display memory
(7 x 8)
Timing gen.
keysan & dimming
Keydata memory
(2 x 8)
8-bit
output
latch
7-bit
shift
register
POR
&
soft-start
Interrupt
generation
Internal clock
generator
Serial
I/F
V
CC
(+5.0 V)
GND
(0 V)
Output
segments
Current
source

STLED316SMTR

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
LED Lighting Drivers LED Front Panel 3V SUPPLY
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet