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