Single/Dual, Ultra-Fast, Low-Power Precision TTL ComparatorsMAX912 Pin DescriptionPINNAMEFUNCTION 1 QA Comparator A TTL Output 2 QA Comparator A Complementary TTL Output 3, 14 GND Logic Ground. Connect both GND pins to ground. Comparator A Latch Enable. QA and QA are latched when LEA is TTL high or floating. Comparator A 4 LEA latch is transparent when LEA is low. 5, 12 N.C. No Connection. Not internally connected. Negative Power Supply. -5V for dual supplies (bypass to GND with a 0.1µF capacitor) or GND for a 6 V- single supply. 7 INA- Comparator A Inverting Input 8 INA+ Comparator A Noninverting Input MAX912/MAX913 9 INB+ Comparator B Noninverting Input 10 INB- Comparator B Inverting Input 11 V+ Positive Power Supply, +5V. Bypass to GND with a 0.1µF capacitor. Comparator B Latch Enable. QB and QB are latched when LEB is TTL high or floating. Comparator B 13 LEB latch is transparent when LEB is low. 15 QB Comparator B Complementary TTL Output 16 QB Comparator B TTL Output MAX913 Pin DescriptionPINNAMEFUNCTION 1 V+ Positive Power Supply. Bypass to GND with a 0.1µF capacitor. 2 IN+ Noninverting Input 3 IN- Inverting Input Negative Power Supply. -5V for dual supplies (bypass to GND with a 0.1µF capacitor) or GND for a 4 V- single supply. Latch Enable. Q and Q are latched when LE is TTL high or floating. The comparator latch is 5 LE transparent when LE is low. 6 GND Logic Ground 7 Q TTL Output 8 Q Complementary TTL Output 6_______________________________________________________________________________________