㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER GENERAL DESCRIPTION FEATURES The SM6B595 is specifically designed for USE in LED DISPLAY. * Maximum output terminal voltage: 30V. * Maximum continuous drain current:100mA. * Typical R DS(ON) : 5 Ω * Devices are cascadable * Low power consumption * Serial data transfer rate: 25 MHz. This device contains an 8-bit shift register, 8 bit D-type storage register an d open-drain NMOS output drivers. The serial output allows for cascading of the data from the shift register to additional devices. PIN ASSIGNMENTS NC VCC SERIN OUT0 OUT1 OUT2 OUT3 SRCLR G GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 NC GND SEROUT OUT7 OUT6 OUT5 OUT4 SRCK RCK GND NC VCC SERIN OUT0 OUT1 OUT2 OUT3 SRCLR G GND SM6B595P 20 PIN DIP 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 NC GND SEROUT OUT7 OUT6 OUT5 OUT4 SRCK RCK GND SM6B595F 20 PIN SOP Page 1 SEP, 2002 ㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER PIN DESCRIPTION Pin NO. Pin Name Function Description 1 NC No connection 2 Vcc 5V supply voltage terminal. 3 SER IN Input terminal of a serial-data for shift-register. 4-7 OUT0~3 Output terminals. 8 SRCLR Input terminal of clear signal for shift-register. When SRCLR is low, the input shift-register is cleared. 9 G 10-11 GND Ground terminal. 12 RCK Input terminal of a clock for storage-register. Data transfer through storage-register on the rising edge of the storageregister clock. 13 SRCK 14-17 OUT4~7 18 SER OUT 19 GND 20 NC Input terminal of output enable. All outputs (OUT0~7) do off with "H" level of G-terminal, and do on with "L" level input. Input terminal of a clock for shift-register. Data transfer through shift-register on the rising edge of the shift-register clock. Output terminals. Output terminal of serial-data for next SER IN terminal. Ground terminal. No connection. Page 2 SEP, 2002 ㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER BLOCK DIAGRAM OUT0 OUT1 OUT7 G Q Q CK RCK SERIN D D Q CK CLR D Q CK D Q CK CLR D CK D Q SERIAL-OUT CK CLR SRCK SRCLR TIMING DIAGRAM SRCK 5V 0V SER IN 5V 0V 5V 0V 5V 0V 5V 0V SRCLR RCK G Out0 Off On Out1 Off Out2 Off On Off 5V 0V Out7 Serial-out Page 3 SEP, 2002 ㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER TRUTH TABLE SERIN SRCK SRCLR Shift-register SEROUT RCK Storage-register G OUT0 OUT1…OUT7 H H H R0 R1… R5 R6 R6 L H L R0 R1… R5 R6 R6 X H R0 R1 R2… R6 R7 R7 L L L L… L L L X X X … X X X R0 R1 R2 …R6 R7 P0 P1 P2 … P6 P7 P7 P0 P1 P2 … P6 P7 L P0 P1 … P7 X X X … X X H H X X H … H P : Present state. R : Previous state. MAXIMUM RATINGS (Ta = 25oC unless otherwise noted) Characteristic Symbol Rating Logic Supply Voltage VCC 7V Logic Input Voltage VIN - 0.3 ~ 7V Output Current IOUT 100 mA Output Voltage VOUT 30 V Operating Termerature Topr -40 ~ 125 oC Storage Temperature Tstg -55 ~ 150 oC Page 4 SEP, 2002 ㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER RECOMMENDED OPERATING CONDITIONS Characteristic Supply Voltage Output Voltage Output Current Symbol VCC VOUT Set-up Time for SER IN Hold Time for SER IN Pulse duration for SER IN IO VIH VIL tsetup thold tw Operating Temperature Topr Input Voltage Condition Min. － 4.5 － － OUTn OUTn － － － － － － Page 5 0.85Vcc － 20 20 40 -40 Typ. Max. Unit 5.0 － － － － － － 5.5 30 100 － － － V V mA V V ns ns ns － 85 oC 0.15Vcc － － SEP, 2002 ㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER ELECTRICAL CHARACTERISTICS (VDD = 5.0V, Ta = 25oC unless otherwise noted) Characteristic Output breakdownvoltage Off-state leakage current Static drain-source on-state resistance Nominal Current Symbol Condition V(BR)DSX I0=ImA Min. Typ. Max. Unit 30 － V0 =24V, V cc= 5.5V － 0.5 5 V0 =24V, V cc=5.5V, Tc=125 oC － 10 30 V0 =12V, Vcc= 5.5V － 0.1 1 V0 =12V, Vcc=5.5V, Tc=125 oC － 1 3 I0= 100 mA, V cc= 4.5V － 5 － Ω IN VDS(on)=0.5V, Ta=85 oC － 90 － mA IIH VI = V cc =5.5V － － 1 µA IIL VI = 0, V cc=5.5V － － -1 µA ICC VCC=5.5V － 20 100 µA IOH = -20µA, V cc= 4.5V 4.4 4.49 － V IOH = -4 mA, V cc= 4.5V 4.0 4.2 － V IOL =20µA, V cc = 4.5V － 0.005 0.1 V IOL = 4 mA, V cc = 4.5V － 0.3 0.5 V IDSX RDS(ON) － V µA Logic input current Logic Supply Current VOH SER OUT output voltage VOL Propagation delay tPLH Io = 100 mA, CL=30 PF － 150 － ns (G-OUTn) tPLH Io = 100 mA, CL=30 PF － 90 － ns Output rise time tr Io = 100 mA, CL=30 PF － 200 － ns Output fall time tf Io = 100 mA, CL=30 PF － 200 － ns Page 6 SEP, 2002 ㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER TIMING WAVEFORM tW(SRCK) SRCK 50% tsetup thold 50% SER IN tp 50% SER OUT tW(RCK) tsetup 50% RCK G Low tp 50% OUTn tW(G) G OUTn 50% tPHL tPLH tr tf 90% 10% Page 7 0 0 0 SEP, 2002 ㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER PACKAGE OUTLIN 20 PINS DIP 0.975 (24.77) 0.940 (23.88) 20 11 0.260 (6.60) 0.240 (6.10) 1 10 0.070 (1.78) MAX 0.035 (0.89) MAX 0.325 (8.26) 0.300 (7.62) 0.020 (0.51) MIN 0.200 (5.08) MAX 0.015 (0.38) Seating Plane Gauge Plane 0.125 (3.18) MIN 0.100 (2.54) 0.021 (0.53) 0.015 (0.38) 0.010 (0.25) 0.010 (0.25) NOM M 0.430 (10.92) MAX UNIT : inches (millimeters) Page 8 SEP, 2002 ㆔合微科股份㈲限公司 SM6B595 SAMHOP Microelectronics Corp. 8-BIT LED DRIVER PACKAGE OUTLIN 20 PINS SOP 0.050 (1.27) 0.020 (0.51) 0.014 (0.35) 20 0.010 (0.25) M 11 0.419 (10.65) 0.400 (10.15) 0.299 (7.59) 0.291 (7.39) 0.010 (0.25) NOM Gage Plane 0.010 (0.25) 0o1 8o 0.050 (1.27) 0.016 (0.40) 10 0.510 (12.95) 0.500 (12.70) Seating Plane 0.104 (2.65) MAX 0.012 (0.30) 0.004 (0.10) 0.004 (0.10) UNIT : inches (millimeters) Page 9 SEP, 2002