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EM47FM1688MCA Datasheet(PDF) 7 Page - Eorex Corporation |
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EM47FM1688MCA Datasheet(HTML) 7 Page - Eorex Corporation |
7 / 39 page Pin Capacitance Notes1. VDD, VDDQ, VSS, VSSQ applied and all other pins (except the pin under test) floating. VDD = VDDQ EM47FM1688MCA/SCA =1.35V (1.5V), VBIAS=VDD/2. Notes2. Absolute value of CCK(CK-pin) - CCK(/CK-pin). Notes3. CCK (min.) will be equal to CIN (min.) Notes4. CDIN_CTRL = CIN_CTRL - 0.5*(CCK(CK-pin) + CCK(/CK-pin)) Notes5. CDIN_ADD_CMD = CIN_ADD_CMD - 0.5*(CCK(CK-pin) + CCK(/CK-pin)) Notes6. Although the DM, TDQS and /TDQS pins have different functions, the loading matches DQ and DQS. Notes7. DQ should be in high impedance state. Notes8. CDIO = CIO (DQ, DM) - 0.5*(CIO(DQS-pin) + CIO(/DQS-pin)). Notes9. Maximum external load capacitance on ZQ pin is 5pF. Notes10. Absolute value of CIO(DQS) - CIO(/DQS). Jul. 2014 7/39 www.eorex.com Symbol Parameters Pins Min. Max. Unit Notes CCK Input pin capacitance, CK, /CK CK, /CK 0.8 1.4 pF 1,3 CDCK Delta input pin capacitance, CK, /CK 0 0.15 pF 1,2 CIN_CTRL Input pin capacitance, control pins /CS,CKE,ODT 0.75 1.3 pF 1 CDIN_CTRL Delta input pin capacitance, control pins -0.4 0.2 pF 1,4 CIN_ADD_CMD Input pin capacitance, address and command pins /RAS,/CAS,/WE, Address 0.75 1.3 pF 1 CDIN_ADD_CMD Delta input pin capacitance, address and command pins -0.4 0.4 pF 1,5 CIO Input/output pins capacitance DQ,DQS,/DQS TDQS,/TDQS, DM 1.5 2.5 pF 1,6 CDIO Delta input/output pins capacitance -0.5 0.3 pF 1,7,8 CDDQS Delta input/output pins capacitance DQS, /DQS 0 0.15 pF 1,10 CZQ Input/output pin capacitance, ZQ ZQ - 3 pF 1,9 |
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