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MC14517 Datasheet(PDF) 5 Page - ON Semiconductor |
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MC14517 Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 8 page MC14517B http://onsemi.com 5 Figure 2. Typical Output Source Current Characteristics Test Circuit Figure 3. Typical Output Sink Current Characteristics Test Circuit EXTERNAL POWER SUPPLY IOH Vout = VOH VDD = VGS VSS D C WE D C WE Q16 Q32 Q48 Q64 Q16 Q32 Q48 Q64 (Output being tested should be in the high–logic state) EXTERNAL POWER SUPPLY IOL Vout = VOL VDD = VGS VSS D C WE D C WE Q16 Q32 Q48 Q64 Q16 Q32 Q48 Q64 (Output being tested should be in the low–logic state) Figure 4. AC Test Waveforms VDD VSS VDD VSS VDD VSS VDD VSS VDD VSS VDD VSS VDD VSS 50% 12216 17 18 19 33 90% 10% tsu 16–BIT OUTPUT 1 (15) 17–BIT INPUT 32–BIT OUTPUT 6 (10) 33–BIT INPUT 48–BIT OUTPUT 2 (14) 49–BIT INPUT 64–BIT OUTPUT 5 (11) th1 th1 th1 th1 tWH tWL tTHL tTHL tTHL tTHL VOL VOL VOL VOH VOH VOH 50% 90% 10% 20 ns trel tPHL tPHL tPHL tPHL tPLH 90% 10% tTLH tTLH tTLH tTLH th0 th0 th0 th0 tsu0 tsu0 tsu0 50% 20 ns 20 ns 20 ns VDD VDD VDD tsu0 tsu1 tsu1 tsu1 tsu1 DATA IN 7 (9) WRITE 3 (13) CLOCK 4 (12) PIN NO’S 90% 10% 50% tPLH tPLH tPLH EXPANDED BLOCK DIAGRAM (1/2 OF DEVICE SHOWN) WRITE ENABLE = 0, 16–BIT OUTPUT WRITE ENABLE = 1, 17–BIT INPUT CLOCK DATA WRITE ENABLE 32–BIT OUTPUT 33–BIT INPUT 48–BIT OUTPUT 49–BIT INPUT 64–BIT OUTPUT HIGH IMPEDANCE D C 3–STATE Q 32 D C WE Q 33 D C 3–STATE Q 48 D C WE Q 49 D C 3–STATE Q 64 D C Q 1 D C Q 2 D C 3–STATE Q 16 D C WE Q 17 |
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