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It 4-ways w an external clock signal (1024 Hz).andhas display display brightness control function its format is 12 hours.
4U DIGITAL CLOCK IC AUTOMOTIVE et he aS DESCRIPTION at .D IN7100 is a automotive digital clock, CMOS LSI. w fluorescent indicator panel drives wIt driven by a 4.194304 MHz crystal directly. It can be oscillator or
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 Power Supply Voltage Input Voltage Output Voltage Operating Temperature Storage Temperature
40
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TECHNICAL DATA
IN7100
DIP-40
DC CHARACTERISTICS (Ta=25C, RH70%, CD=CG=15pF, Xtal=4.194304MHz) Characteristic Power Supply Voltage Power Supply Current Leakage Current High Level Output Current(1) High Level Output Current(2) Low Level Output Current(3) High Level Input Current(4) High Level Input Current(5) External Clock Duty OSC. Feedback Resistance
w
w
w
t a .D
S a
VIN Ta TSTG VOUT
Symbol
e h
U t4 e
.c
1
m o
Specification - 0.5 ~ + 8.0 VSS - 0.3 ~ VDD + 0.3 VDD - 30 ~ VDD + 0.3 - 40 ~ + 85 - 55 ~ + 125
Unit V V V C C
VDD - VSS
Symbol VDD-VSS IDD IOFF IOH1 IOH2 IOL IIH1 IIH2 CLD RF
Test Conditions No output loads, VDD=6V VDD-VSS =5.0V VDD-VSS=3.0V, VDD-VOUT=0.5V VDD-VSS=3.0V, VDD-VOUT=0.5V VDD-VSS=3.0V, VOUT -VSS=0.5V VIN=VDD=6V VIN=VDD=6V VDD=6V
Min 3.0 -- 300 500 500 -- -- 40
Typ -- 0.3 -- -- -- 15 120 50 3
(VDD-VSS=3.0~7.0V, Ta = -40 ~ +85C, RH70%, CD=CG=15pF, Xtal=4.194304MHz) .D w w w
a
aS t
ee h
Max 7.0 0.5 5.0 1500 1800 -- 30 600 60
4U t
Unit V mA A A A A A A % M
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1
IN7100
Characteristic Power Supply Current High Level Output Current(1) High Level Output Current(2) (1) (2) (3) (4) (5)
Symbol IDD IOH1 IOH2
Test Conditions No output loads VDD-VSS=3.0V, VDD-VOUT=0.5V VDD-VSS=3.0V, VDD-VOUT=0.5V
Min -- 250 400
Typ -- -- --
Max 0.5 -- --
Unit mA A A
for segment other than bc4, ad2, 1Hz for segment bc4, ad2, 1Hz and CLOUT for CLOUT for DS1, DS2, RES, HS, MS and BLK for T1, T2, T3 and AC
PIN CONFIGURATION
BLK DS1 DS2 bc4 g3 e3 d3 c3 g2 e2 c2 g1 e1 d1 c1 CLK CLOUT AC VSS 20 21 1 40 VDD T3 T2 f3 a3 b3 1HZ f2
IN7100
ad2 b2 f1 a1 b1 T1 MS HS RES OI OO
40-DIP MS-011AC
2
IN7100
Block Diagram
3
IN7100
Block Diagram (for die)
4
IN7100
APPLICATION CIRCUIT
D4 IN4007 R1 100 ZD1 IN4737A Cx (1 pF) C1 15 pF C2 13 pF EC1 1 uF R6 24 0.5W
B
C3 33uF
+
C4 10nF
+
R8 24 0.5W ZD2 IN4732A C5 10uF
11V
4.194303 MHz
VDD OI HS MS
OO AC GRID
+
RES
R9 56 2W R2 1k
FIP
SEGMENT
R7 33k
+
FILAMENT
D2 IN4007
BLK
-
A
C7 33uF
DS2
+ T
D1 IN4007 D3 IN4007 R10 18k
DS1 T3 T2 T1 CLK
CLOUT
1024 Hz)
VSS
4.3~4.9V
E
ZD3 IN4732A
5
IN7100
PIN DESCRIPTION
PIN #
1 2
NAME
BLK DS1
I/O
DESCRIPTION
BLANCKING INPUT; When this pin is low state, FIP is off and the operation of HS, MS, RES, switch is blocking, or vice versa 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 | VDD | VSS | VDD | VSS | | DS2 | VDD | VDD | VSS | VSS | | DUTY | 1/16 | 1/8 | 1/4 | 1| SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT NO CONNECTION EXTERNAL CLOCK INPUT; External clock of 1024 Hz frequency can drive the IC operation CLOCK OUTPUT; Clock of 1024 Hz frequency is generated when using 4.194304 MHz crystal CLEAR INPUT (power on reset input pin) GROUND OSCILLATOR OUTPUT (4.194304 MHz crystal output) OSCILLATOR INPUT (4.194304 MHz crystal input) RES INPUT (30 minutes auto correction Input) HOUR ADJUST INPUT MINUTE ADJUST INPUT TEST PIN1 SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT (colon) NO CONNECTION SEGMENT OUTPUT SEGMENT OUTPUT SEGMENT OUTPUT TEST PIN2 TEST PIN3 POWER SUPPLY
I I
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
DS2 bc4 g3 e3 d3 c3 g2 e2 c2 g1 e1 d1 c1 -CLK
CLOUT
I O O O O O O O O O O O O -I O I I O I I I I I O O O O O O O -O O O I I I
AC VSS OO OI RES HS MS T1 b1 a1 f1 b2 ad2 f2 1HZ -b3 a3 f3 T2 T3 VDD
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
6
IN7100
40-Pin Plastic Dual-in-Line
A Ai A2 B B2 C D E E1 e e2 L
Dimension, mm max min min max min max min max min max min max min max min max nom nom min max min max
6.35 0.38 3.18 4.95 0.36 0.56 0.77 1.78 0.20 0.38 50.30 53.20 15.24 15.87 12.32 14.73 2.54 15.24 2.92 5.08 0 10
7

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