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IRICO-AOTOM
VFD IOE3/4CycA* AEo
ET16312
ET16312 EC 1/4 O1/4OEA CycA* 11 uIEao 6 uOEao 5 uI 1/11 VFD u EU EU /OEa o oIOE3/4aeAE/ EU1 OOAEcA* 1/4uEAecA* (R)Ey3/4YIy 3 I(R)1/2OUEaEe1/2 ECAE ET16312 uAAiIeIaIAE/1/4 |AUIOa l l l l l l l l l aOOIOE3/4AE1/2 x IOA I4 I I11 11 16 x (c) 1/4uEAe 4 A3/4OOo 6x (c) 8 oaIAAAE/1/2UcA* NEao VDD-35V xio (c) LED EU4 EUxio 20mA(c) aOAI3/4EaEeEU I 4 (c) CyEaoEOAIa1/2Ocxe +IAA-cxeEao AA(c) P (c) (R)1/2OU CLK STB DIN DOUT (c) *axIE1/2Iex1/4 QFP44
U1/2AAAAI1/4
LED4 VDD Grid1 Grid2 Grid3 OSC VSS Grid4 LED1 LED2 LED3
44 43 42 41 40 39 38 37 36 35 34 SW1 SW2 SW3 SW4 DOUT DIN VSS CLK STB KEY1 KEY2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 VDD Seg1/KS1 Seg2/KS2 Seg3/KS3 Seg4/KS4 Seg5/KS5 Seg6/KS6 Seg7 Seg8 KEY3 KEY4 33 32 31 30 29 28 27 26 25 24 23 Grid5 Grid6 Seg16/Grid7 Seg15/Grid8 Seg14/Grid9 Seg13/Grid10 VEE Seg12/Grid11 Seg11 Seg10 Seg9
ET16312
Rev 1.2 1/12
2003-11-3
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ET16312
U1/2AEA/
Oy1/2AA
6 5
*uA DIN DOUT
9 8 44 15 20 21 25 37 32 26 31 28 42 39 10 13 1 4 14 38 7 43 27 |AUoI1/4
STB CLK OSC Seg1/KS1 Seg6/KS6 Seg7 Seg11 Grid1 Grid6 Seg12/Grid11 Seg16/Grid7 LED1LED4 KEY1 KEY4 SW1SW4 VDD VSS VEE
AuAE AeEo Ey3/4YEaEe EOOEIEyNOEaEe(R)Ey3/4Y OIIE1/4 EOOIA1/2NOEao(R)Ey3/4Y N AA(c)Ea OIIE1/4 Ey3/4YEao o1/2A OUEIEyoIA1/2NOoE1/4(R)1/2OU EET16312 Ey1/2O EOOAi cAE1/2IA1/2oAEaEeEy3/4Yx/IOAiEy TB S NI |AiOAiEy3/4YE C|AiAEEIO (R)UOAEEo E1/4 STB IcAE1/2E oAO CLK EOOEaEe OUEIEyNOAEe(R)Ey3/4Y 1/2NOEaoEy3/4Y IA On Ia1/2OcxeOO3/4oOnAEAE NEao IEao (UOO|AU x/I1/4uEAeEao )
NEao IEao (I ) NEao OEao (O ) NEao ENOnx/IIoOEao (I O ) LED Eao CMOS Eaoxio +20mA 1/4uEy3/4Y EaEe EaEe1/2Oa(c)Oy1/2AAEy3/4YEoaeOUIOE3/4OUAEUA OEaEe Oa(c)Oy1/2AxeE 4 IaOAI3/4AEaEeE A1/4-cO 4.5VA10% A1/4-O 1/2O(R)OeIIOIaA IAA-cAE1/2 xioDD - 35V V
OeAeAE/ Ey3/4YEaEe /Eao DIN DOUT CLK STB OSC
/acA* 11 // AANOnAE/
1 Seg1/ KS Seg6/KS6
ICyAE/ / OCyAE/ I O1/4CyAE/
VDD
R
//
16 16 // IOE3/4aeOuAE/ 5 IEoaeAE/ IEoaeAE/
Seg Seg1 7 1
On EAeOOAEcA* AE/ 1/4uaeOuAE/ 11 (6A4) 4IEoaeAE/ 5 //
5 //
1 Seg2 1 /Grid1 Seg16/Grid7
KEY KEY 1 4 // SW SW 14
4 4
4
LED LED 1 4
2/12
//
//
11
6 //
Grid rid 1G6
IEoaeAE/
VDD VEE GND (+4.5V)(0V) -30V) (
Rev 1.2 2003-11-3
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ET16312
|AUEA/
IOE3/4AE1/2I RAM OO*
IOE3/4 RAM aexAIy(R)1/2OUOIaAE/1/4EaEe1/2 ET16312 AEy3/4Y ET16312 A RAM OO*EcIAEuE3/4 IO 8 (c) SG1... ... ... ... ... SG4 SG8 SG12 00HL 00HU 01HL 02HL 02HU 03HL 04HL 04HU 05HL 06HL 06HU 07HL 08HL 08HU 09HL 0AHL 0AHU 0BHL 0CHL 0CHU 0DHL 0EHL 0EHU 0FHL 10HL 10HU 11HL 12HL 12HU 13HL 14HL 14HU 15HL b0... ... ... ... ... .b3 xxHL I I 4 ET16312 A 1/4uEAe 1/4uEAe 3/4OOoI EaEeEy3/4Yae RAM ET16312 A 1/4uEAe ECOEEcIAEuE3/4A 3/4OOo 6x OoAxeEA 4
SG16 01HU 03HU 05HU 07HU 09HU 0BHU 0DHU 0FHU 11HU 13HU 15HU
DIG1 DIG 2 DIG 3 DIG 4 DIG 5 DIG 6 DIG 7 DIG 8 DIG 9 DIG 10 DIG 11
b4... ... ... ... ... ... b7 xxHU I 4
KEY1
KEY2
KEY3
KEY4
Seg1/ KS1
Seg2/ KS2
Seg3/ KS3
Seg4/ KS4
Seg5/ KS5
Seg6/ KS6
Rev 1.2 3/12
2003-11-3
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ET16312
AOo 1/4uEAe EaEeAEy3/4Yae*1/2E1/2EcIA Iy READ AuAiOxiIIAo
KEY1... ... ... ... ... ... KEY3 Seg1/KS1 Seg3/KS3 Seg5/KS5 b0... ... ... ... ... .b3
KEY1... ... ... ... ... ... KEY3 Seg2/KS2 Seg4/KS4 Seg6/KS6 b4... ... ... ... ... ... b7
A o E o
LED EU Ey3/4YOEUAxiIIE1/4IyAuAiEe1/2 0cAE1/2 aO|ED AA AEUI LED EU AEUI L I 1 cAE1/2IaO| AAEy3/4YAU 8 II LED 5 I U cOEIcE LED 1/4AA EuOA MSB LSB (c) (c) (c) (c) b3 b2 b1 b0 b4 O b7 b0 LED1 b2 LED3 b1 LED2 b3 LED4 SW Ey3/4Y Ey3/4YOEUAxiIIE1/4IyAAuAiAEe1/2 5 I U II0 LED EUSW Ey3/4YAU 8 MSB 0 0 0 0 b3 b2 b1 b0 SW1 b2 SW3 b1 SW2 b3 SW4
LSB b0
AuAi AuAiEeAEcA*AIOE3/4AE1/2I STB EUAxIOEaIoOE ET16312 A FIP CyxI OU DIN EUEaEe UOoxO1/2U b7 EcuEy3/4YoAuAiOUOAEE b0 (c) STB EUEeIcAE1/2 Oo(R)UoE1/4 OyOU OAEAEy3/4Y /AuAiEOII AuAi IOE3/4AE1/2EeOAAuAi 1 IOE3/4AE1/2EeOAAuAiO ET16312 oE1/4CO3/4oAEEuOA1/2AI O1/4OE I 16 I OEy1/4 1/11 11 (c) AuAiOE IOE3/4COAEOO 1/4uEAeIO OIOE3/4E OeOOIoIOE3/4AEoAuAi EcuNOnAEIa IAIOE3/4AE1/2 1/2OEIIIOE3/4 cOEIcE11 I11 IAE1/2 NOn x MSB LSB 0 0 (c) (c) (c) b2 b1 b0 b3 O b5 NOnIOE3/4AE1/2 (c) b0 b2 000 I4 I 16 x 100 I8 I 14 x 001 I5 I 16 x 101 I9 I 13 x 010 I6 I 16 x 110 I10 I 12 x 011 I7 I 15 x 111 I11 I 11 x
Rev 1.2 4/12
2003-11-3
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ET16312
AuAi Ey3/4YEeOAAuAi 2
Ey3/4YEeOAAuAiECO ET16312 AEy3/4YAA cOEIcE EeIIAx/AE1/2IOO*OoAAE1/2 MSB 0 1 (c) (c) b3 b2 b4,b5 O aEOAE1/2EeOA b3 I IAx/AE1/2 0 b3 I aEOAE1/2 1 OO*OoAAE1/2EeOA IOE3/4AE1/2 (c) b2 I Ey3/4YEeoAOoAOO* 0 b2 I OO*a 1 Ey3/4YAAE1/2EeOA b1 I 0,b0 I Ey3/4Y1/2IOE3/4AE1/2 0 b1 I 0,b0 I Ey3/4Y1/2 EU 1 LED b1 I 1,b0 I A1/4uEAeEy3/4Y 0 b1 I 1,b0 I A 1 SW Ey3/4Y
b1
LSB b0
AuAi OO*EeOAAuAi 3 OO*EeOAAuAi ECOAOUEeOAIOE3/4aeAE/OO*A oECuAOO* cuOO*EC E 16H oEy3/4YIy*COUIEe O OyE*AOO* cOEIcE 00H OO*I MSB LSB 1 1 b4 b3 b2 b1 b0 b0 1/2 OO*I 15H b4 00H AuAi IOE3/4OOAEAuAi 4 cOEIcE1/16 AAoiAACOIOE3/4OO Ee 1/4uEAeIO (c) MSB 1 0 (c) (c) b3 b2 b4 O b5 IOE3/4EeOA b3 I IOE3/4OO 0 1/4uEAe1/4Io (c) b3 I IOE3/4AEo 1 /aE1/4EeOA (c) b0 b2 000 =1/16 Aoi 001 =2/16 Aoi 010 =4/16 Aoi 011 =10/16 Aoi 100 =11/16 Aoi 101 =12/16 Aoi 110 =13/16 Aoi 111 =14/16 Aoi
b1
LSB b0
Rev 1.2 5/12
2003-11-3
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ET16312
EAeIIOE3/4Eo
1/4uEAeIIOE3/4EoI1/4EcIAEuE3/4 1/4uEAeAOoOUAEUu 1 O 6x 3/4OOoAEy3/4YaeOU 4 RAM O
Tdisplay=500us 1/4u ey E AE 3/4Y
SG Output
DIG1
DIG2
DIG3
DIGn
DIG1
G1
G2
G3
Gn
1O =Tdisplay x n+1(c)
(R)INnE1/2 IA I1/4EuE3/4EC ET16312 A(R)INnE1/2 EUECOo DOUT N AA(c)EaoEU EuOOInOOOIa1/2OO oEIA-cxe 10K(c) DOUT EU 1K 1/2
1/2O O y Y Ai U /(c) E E 3/4 /Au x
Ec u y Y I o E3/41/4
STB
DIN b0 b1 b2 b6 b7
CLK 1 2 3 7 8
Rev 1.2 6/12
2003-11-3
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ET16312
Ea Ey3/4YAUx/ (c)
STB
DIN
b0
b1
b2
b3
b4
b5
b6
b7
CLK
1
2
3
4
5
6
7
8
twait
1
2
3
4
5
6
b0
b1
b2
b3
b4
b5
Ee A 3/4Y Ai OA Ey Au
A 3/4Y E1/4 Ey
twaitEyE1/4a(c)Y1 s OAxOaAECAEy3/4YE OAiAUEoEOOAEIEyNOOAEaeoAEy3/4YAUOoEOOAI oOUo EOU s AEyE1/4a 1 twait(c)
Rev 1.2 7/12
2003-11-3
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ET16312
xIOOI
ET16312 xIOOI EcIA
fosc OSC 50% PWSTB STB
PWCLK CLK
PWCLK
t CLK-STB
t setup
t hold
DIN
t PZL
t PLZ
DOUT
t THZ
t TZH 90%
90% Sn/Gn 10% 10%
Rev 1.2 8/12
2003-11-3
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ET16312
O|OA
1.
EaEeIOE3/4Ey3/4Y
STB
CLK
DIN
Au 1 Ai
Au 2 Ai
Au 3 Ai
Ey 1 3/4Y
Ey Y 3/4n
Au 4 Ai
AuAi IOE3/4AE1/2EeOAAuAi 1 AuAi Ey3/4YEeOAAuAi 2 AuAi OO*EeOAAuAi 3 Ey3/4Y n 1 OAEIOE3/4Ey3/4Y22 oxO1/2U xio (c) AuAi IOE3/4OOAEAuAi 4 2. EaEeIOOO*
STB
CLK
DIN
Au 1 Ai
Au 2 Ai
Ey 3/4Y
Au 2 Ai
Ey 3/4Y
AuAi EeOAEy3/4Y 1 AuAi EeOAOO* 2 Ey3/4YIOE3/4Ey3/4Y
Rev 1.2 9/12
2003-11-3
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ET16312
1/4IIEy
1.
x/Io1/4 20ae +70ae VSS= 0V) (Ta= AuAE *uA x/cN VDD cAE1/2EaEecN VIH IcAE1/2EaEecN VIL Cyx/cN VEE xiO 4 0.7VDD 0 0 aIO 4.5 -- -- -- xioO 5.0 VDD 0.3VDD VDD - 35 I V V V V
xio|A = VFD Cy|A PMAX +RL |A+ LED Cy|A I|A IcA/ =3mA OcA/ =15mA LED cA/ CO =20mA VFD Cy|A A + OEy =IEy6 /( OEy A mW) +1) 30( RL |A=( VDD - VEE ) 2 /50AIEy ( mW) ( +1) LED Cy|A Ey 20( mW) =LED A I|AA5 ( mW) =VDD AyEc VEE =- 25V DD =4.5 V16 V 6 VFD |A 6 + 6 30=122mW =16A 7A RL |A=302 /50A 17=306mW LED Cy|A =4A 20=80mW I|A =5A 5=25mW xU1/4AE 533mW
II IAE1/2
2.
1/4Ix/*I SS= 0V) (Ta =25ae V AuAE cOcN Cyx/cN A1/4-EaEecN FIP CyEaocN LED CyEaocA/ FIP CyEaocA/ IuA|AE x/IAE aeOuIAE *uA VDD VEE VI1 VO2 IO1 IO2 PD T OPT T STG *I - 0.5 7.0 VDD + 0.5 DD - 40 V - 0.5 DD + 0.5 V VEE- 0.5 VDD+0.5 +25 - 40( grid) - 15( segment) 800 - 40 +85 - 65 150 I V V V V mA mA mW ae ae
Rev 1.2 10/12
2003-11-3
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ET16312
cIEy = -20ae +70ae VDD = 4.5V V = 0V V = VDD-35V) (Ta SS EE
AuAE
*uA
xiO aIO xioO I 0.9VDD 1 0.4 -3 V V V mA
aEOIo1/4 LED1 LED4, IOH1 = - 1mA LED1 LED4, IOL1 = 20mA DOUTOL2 = 4mA I VO = VDD - 2V Seg1/KS1 Seg6/KS6 Seg7 Seg11 VO = VDD - 2V Grid1 Grid6 Seg12/Grid11 Seg16/Grid7 VO = VDD - 35V CyAE/OO CyAE/Eao VI= VDD o VSS
cAE1/2EaocN VOH1 IcAE1/2EaocN VOL1 IcAE1/2EaocN VOL2 cAE1/2EaocA/ IOH1
cAE1/2EaocA/ IOH2
- 15
mA
CyA(c)cA/ IOLEAK EaoIAA-cxe RL EaEecA/ II cAE1/2EaEecN IH V IcAE1/2EaEecN IL V OIocN VH 3/4IcA/IuAIDDdyn 50 0.7VDD 100
- 10 150 A 1 0.3VDD 0.35 5
A k A V V V mA
CLK DIN STB IOOE IIOE3/4
OIOO -20ae +70ae VDD = 4.5V EE = -30V) (Ta = V AuAE *uA xiOaIOxioOI OnAEAE T OSC 350 500 650 kHz T PLZ 300 ns ONOU T PZL 100 ns tTZH1 EIEyE1/4a tTZH2 IA1/2E1/4a T THZ xioEOOAEAE Fmax EaEecEY Cl 0.5 120 1 15 s s MHz pF 2 s
aEOIo1/4 R=100k CLKu DOUT CL = 15Pf L = 10k R Seg1/KS1 Seg6/KS6 Seg7 Seg11 CL = 300pF Grid1 Grid6 Seg12/Grid11 Seg16/Grid7 CL = 300pF, Segn, Gridn O1/4OE =50%
EoIo1/4 -20ae +70ae VDD = 4.5V) (Ta = IEy *uA xiO EOOAoaiE PWCLK 400 NIAoaiE PWSTB 1 Ey3/4YEeOAE1/4a tSETUP 100 Ey3/4YOE1/4a tHOLD 100 E1/4aNIE1/4a tCLK-STB 1 EyE1/4a tWAIT 1
aIO
xioO I aEOIo1/4 ns s ns ns s CLKuu STBu s CLKuu CLKy
Rev 1.2 11/12
2003-11-3
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ET16312
I1/4O|OAIA*I1/4
VDD SW R3 VDD LED R2 LED1 LED2 LED3 LED4 OSC DOUT DIN CLK STB VDD C 0V -30V VSS VEE Grid1rid6 Seg7 G Seg16 Seg1/KS1 Seg6/KS6 SW1 SW2 SW3 SW4 R1 R4
SERIES PORT 4.5V
ET16312
KEY1 KEY2 KEY3 KEY4
6Io
10Io
6
VFD
=
4 (6x4)
VF POWER EA/ AO|OAI1/4O VFD OOaIOE3/4U POWEROa VFD O IOE3/4UCycO R2EO1/2OeOA 100 K
* EcA*1/2o(c)I1/4
Rev 1.2 12/12
2003-11-3

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