Patent ID: 7450454

Claim:
A circuit comprising: a first sense amplifier providing a set of outputs, wherein the set includes a first true output and a first complementary output; a first input coupled to the first true output; a second input coupled to the first complementary output; a first N-channel transistor including a gate connected to the first input; a second N-channel transistor including a gate connected to the second input; a pair of cross coupled inverters wherein the pair includes: a first inverter, the first inverter includes a first P-channel transistor and a third N-channel transistor, a gate of the first P-channel transistor and a gate of the third N-channel transistor are connected to a first node, a first current terminal of the first P-channel transistor and a first current terminal of the third N-channel transistor are connected to a second node; a second inverter, the second inverter includes a second P-channel transistor and a fourth N-channel transistor, a gate of the second P-channel transistor and a gate of the fourth N-channel transistor are connected to the second node, a first current terminal of the second P-channel transistor and a first current terminal of the fourth N-channel transistor are connected to the first node; a third P-channel transistor including a gate connected to the first input; and a fourth P-channel transistor including a gate connected to the second input; wherein the third P-channel transistor and the first P-channel transistor are stacked in series; and wherein the fourth P-channel transistor and the second P-channel transistor are stacked in series.