technical data january, 2011, rev. 03 automotive digital clock ic description in7100 is a automotive digital clock, cmos lsi. it drives fluorescent indicator panel directly. it can be driven by a 4.194304 mhz crystal oscillator or an external clock signal (1024 hz). it has 4-ways display brightness control function and its display format is 12 hours. features ? 4.194304 mhz crystal oscillator ? 4-ways display brightness control ( segment signal duty: 1, 1/4, 1/8, 1/16 ) ? hours and minutes setting ? ? 30 seconds auto correction ? 1024 hz external clock drive ? 1024 hz signal output ? segment output: p-channel open drain ? 40 dip package ms-011ac absolute maximum ratings (ta = 25 ? c) parameter symbol specification unit power supply voltage v dd - v ss ? 0.5 ~ + 8.0 v input voltage v in v ss ? 0.3 ~ v dd + 0.3 v output voltage v out v dd ? 30 ~ v dd + 0.3 v operating temperature t a ? 40 ~ + 85 ? c storage temperature t stg ? 55 ~ + 125 ? c * stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only and functi onal operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditions? is not implied. exposure to absolute-ma ximum-rated conditions fo r extended periods may affect device reliability. dc characteristics (ta=25 ? c, rh ? 70%, cd=cg=15pf, xtal=4.194304mhz) characteristic symbol test conditions min typ max unit power supply voltage v dd -v ss 3.0 ? 7.0 v power supply current i dd no output loads, v dd =6v ? 0.3 0.5 ma leakage current i off v dd -v ss =5.0v 5.0 ? a high level output current (1) i oh1 v dd -v ss =3.0v, v dd -v out =0.5v 300 ? 1500 ? a high level output current (2) i oh2 v dd -v ss =3.0v, v dd -v out =0.5v 500 ? 1800 ? a low level output current (3) i ol v dd -v ss =3.0v, v out ?v ss =0.5v 500 ? ? ? a high level input current (4) i ih1 v in =v dd =6v ? 15 30 ? a high level input current (5) i ih2 v in =v dd =6v ? 120 600 ? a external clock duty c ld 40 50 60 % osc. feedback resistance r f v dd =6v 3 m ? in7100 dip-40 40 1
in7100 january, 2011, rev. 03 (v dd -v ss =3.0~7.0v, ta = ? 40 ~ +85 ? c, rh ? 70%, cd=cg=15pf, xtal=4.194304mhz) characteristic symbol test conditions min typ max unit power supply current i dd no output loads ? ? 0.5 ma high level output current (1) i oh1 v dd -v ss =3.0v, v dd -v out =0.5v 250 ? ? ? a high level output current (2) i oh2 v dd -v ss =3.0v, v dd -v out =0.5v 400 ? ? ? a (1) for segment other than bc4, ad2, 1hz (2) for segment bc4, ad2, 1hz and clout (3) for clout (4) for ds1, ds2, res, hs, ms and blk (5) for t1, t2, t3 and ac pin configuration 40-dip ms-011ac blk ds1 ds2 bc4 g3 e3 d3 c3 g2 e2 c2 g1 e1 d1 c1 clk clout ac v ss v dd t3 t2 f3 a3 b3 1hz f2 ad2 b2 f1 a1 b1 t1 ms hs res oi oo in7100 1 40 20 21
in7100 january, 2011, rev. 03 block diagram
in7100 january, 2011, rev. 03 block diagram (for die)
in7100 january, 2011, rev. 03 application circuits typical application oi oo ac segment ? + fip filament 4.194303 mhz grid clout 1024 hz) vdd res hs ms ec1 0.22 uf ~1.0 uf c2 13 pf c1 15 pf blk ds2 r2 1k r7 33k ds1 t3 t2 clk vss + r9 56 2w zd2 1n4732a zd1 in4737a r1 100 + c3 33uf d4 in4007 b a t e c4 10nf c5 10uf d2 1n4007 d3 1n4007 d1 1n4007 r6 24 0.5w t1 cx (1 pf) zd3 1n4732a or 1n4731a + + r8 24 0.5w c7 33uf r10 18k 4.3~4.9v 11v
in7100 january, 2011, rev. 03 ?keeping time? application part list s/no part q?nty ic1 in7100 1 vfd svc-01ms01 1 xt 4194304hz 1 c1 10pf 1 c2 15pf 1 c3 1~12pf adj 1 ec1 470uf, 25v 1 ec10 22uf, 10v 1 c4 104 1 c11 104 1 c6~9 104 4 r1 68k,1/4w 1 r2 - - s/no part q?nty r3-1~2 560, 1/4w 2 r4 100k, 1/8w 1 r5 560k, 1/8w 1 r6 130, 2w 1 r7 130, 2w 1 r8-1~2 56, 1/4w 2 zd1 1n4735a 1 zd2 1n4732a 1 zd3 1n4729a 1 sw1~3 switch(thh-10910) 3 d1~4 1n4007 4 d5 1n4148 1 con1 connector(5566-05a) 1
in7100 january, 2011, rev. 03 pin description pin # name i/o description 1 blk i blancking input; when this pin is low state, fip is off and the operation of hs, ms, res, switch is blocking, or vice versa 2 ds1 i dimmer input1, dimmer input2; this pin control the brightness of fip. duty of segment output is determined depend on the level of ds1, ds2 | ds1 | v dd | v ss | v dd | v ss | | ds2 | v dd | v dd | v ss | v ss | | duty | 1/16 | 1/8 | 1/4 | 1 | 3 ds2 i 4 bc4 o segment output 5 g3 o segment output 6 e3 o segment output 7 d3 o segment output 8 c3 o segment output 9 g2 o segment output 10 e2 o segment output 11 c2 o segment output 12 g1 o segment output 13 e1 o segment output 14 d1 o segment output 15 c1 o segment output 16 -- -- no connection 17 clk i external clock input; external clock of 1024 hz frequency can drive the ic operation 18 clout o clock output; clock of 1024 hz frequency is generated when using 4.194304 mhz crystal 19 ac i clear input (power on reset input pin) 20 vss i ground 21 oo o oscillator output (4.194304 mhz crystal output) 22 oi i oscillator input (4.194304 mhz crystal input) 23 res i res input ( ? 30 minutes auto correction input) 24 hs i hour adjust input 25 ms i minute adjust input 26 t1 i test pin1 27 b1 o segment output 28 a1 o segment output 29 f1 o segment output 30 b2 o segment output 31 ad2 o segment output 32 f2 o segment output 33 1hz o segment output (colon) 34 -- -- no connection 35 b3 o segment output 36 a3 o segment output 37 f3 o segment output 38 t2 i test pin2 39 t3 i test pin3 40 v dd i power supply internal state pull down: blk, ds1, ds2, ac, res, hs, ms, te1, te2, te3 p-ch open drain: bc4, g3, e3, d3, c3, g2, e2, c2, g1, e1, d1, c1, b1, a1, f1, b2, ad2, f2, 1hz, b3, a3, f3
in7100 january, 2011, rev. 03 40-pin plastic dual-in-line a max 6.35 a min 0.38 min 3.18 max 4.95 min 0.36 max 0.56 min 0.77 max 1.78 min 0.20 max 0.38 min 50.30 max 53.20 min 15.24 max 15.87 min 12.32 max 14.73 e nom 2.54 e 2 nom 15.24 min 2.92 max 5.08 min 0 o max 1 0o l dimension, mm a 2 b b 2 c d e e 1
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