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SubhamRath

dc read test

Aug 12th, 2020
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  1. **** Spice Netlist for Cell 'readwhos' *****
  2.  
  3. ************** Module readwhos **************
  4. xi0 b bb wl n2 n0 6T
  5.  
  6. ****voltage source grounding*****
  7. v0 n2 gnd dc='0' ac='0'
  8. ****power supply to 6T*****
  9. vdd n0 n2 dc='5' ac='0'
  10.  
  11. **pullup**
  12. m0 bb read n1 n1 PMOS4 l='400n' w='2000n' m='1'
  13. m1 b read n1 n1 PMOS4 l='400n' w='2000n' m='1'
  14.  
  15. **power supply for pullup**
  16. vp n1 n2 dc='5' ac='0'
  17. **routing cap bit line**
  18. c0 gnd b 1280f
  19.  
  20. **routing cap bitb line**
  21. c1 gnd bb 1280f
  22.  
  23. **routing cap wordline**
  24. c2 gnd wl 2560f
  25.  
  26. **jutction cap for bit**
  27. m2 b gnd gnd gnd NMOS4 l='400n' w='650n' m='127'
  28.  
  29. **jutction cap for bitb**
  30. m3 bb gnd gnd gnd NMOS4 l='400n' w='650n' m='127'
  31.  
  32. **bit line conditioning**
  33. m6 b write gnd gnd NMOS4 l='400n' w='1000n' m='1'
  34.  
  35. **bitb line conditioning**
  36. m5 bb writeb gnd gnd NMOS4 l='400n' w='1000n' m='1'
  37.  
  38. **wordline oxide cap**
  39. m4 gnd wl gnd gnd NMOS4 l='400n' w='650n' m='256'
  40. m8 gnd wl vdd vdd NMOS4 l='400n' w='650n' m='256'
  41.  
  42. **wordline pulse voltage**
  43. vwl wl n2 dc=5 ac=0
  44. * pulse 0 5v 10ns 200ps 200ps 20ns 30ns
  45.  
  46. **bit line conditioning pulse voltage**
  47. vwrite write gnd dc=0 ac=0
  48. * pulse 0 5v 40ns 200ps 200ps 20ns 120ns
  49.  
  50. **bitb line conditioning pulse voltage**
  51. vwriteb writeb gnd dc=0 ac=0
  52. * pulse 0 5v 100ns 200ps 200ps 20ns 60ns
  53.  
  54. **pullup conditioning pulse voltage**
  55. vread read n2 gnd dc=0 ac=0
  56. * pulse 0v 5v 10ns 200ps 200ps 20ns 30ns
  57.  
  58. **vcvs as sense amplifier**
  59. e0 opread gnd b bb 1.0
  60.  
  61. ************** Module 6T **************
  62. .include '../myLab/6T/6T0p9.sp'
  63.  
  64.  
  65. **************Model File***************
  66. **************Model File***************
  67. .include '../myLab/scn4m_subm/models/ff/nmos.sp'
  68. .include '../myLab/scn4m_subm/models/ff/pmos.sp'
  69.  
  70.  
  71.  
  72.  
  73. *****Condition set and variable declaration*****
  74. .temp -40
  75. .param vsupply=5
  76. .global gnd
  77. .nodeset V(xi0.n0)=5
  78. .dc vwl 0 5 0.1
  79. .control
  80. run
  81. plot b,bb
  82. plot wl
  83. plot xi0.n0,xi0.n1
  84. plot read
  85. plot write,writeb
  86. .endc
  87. .end
  88.  
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