Table 2 The key parameters of I-MTJ and FinFET technologies.

From: Dual-directional CIM-based non-volatile SRAM for instant-on/off energy-constrained edge AI devices

Parameter

Value

I-MTJ

 Free layer thickness (TF)

1.4 nm

 The thickness of the MgO barrier layer (Tb)

1.2 nm

 The elliptical surface of the free layer (S)

110 × 60×\(\frac{\pi }{4}\)nm2

 Dimensions of the metal strip (l, w, d)

120 × 70 × 1.8 nm3

 MTJ Resistance-Area product (RAP)

10 Ω µm2

 Tunnel magnetoresistance (TMR)

500%

 Parallel (P) resistance (LRS)

1.98 kΩ

 Potential barrier height of MgO oxide (φ)

0.4 V

 The saturation magnetization (Ms)

10.8 × 105 A m-1

 Anisotropy field (Hk)

3.17 × 104 A m-1

 Spin-hall angle (η)

0.3

 Thermal stability

37.96

 Retention time

 ~ One year

FinFET 7nm

 Fin thickness (Tfin)

6.5 nm

 Fin height (Hfin)

34 nm

 Fin pitch (Pfin)

27 nm

 Gate length (L)

21 nm

 Oxide thickness (Tox)

2.1 nm

 Equivalent oxide thickness (EOT)

1 nm