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GS8161E18BGD-250 Datasheet(PDF) 29 Page - GSI Technology |
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GS8161E18BGD-250 Datasheet(HTML) 29 Page - GSI Technology |
29 / 35 page JTAG Port Recommended Operating Conditions and DC Characteristics Parameter Symbol Min. Max. Unit Notes 3.3 V Test Port Input High Voltage VIHJ3 2.0 VDD3 +0.3 V 1 3.3 V Test Port Input Low Voltage VILJ3 –0.3 0.8 V 1 2.5 V Test Port Input High Voltage VIHJ2 0.6 * VDD2 VDD2 +0.3 V 1 2.5 V Test Port Input Low Voltage VILJ2 –0.3 0.3 * VDD2 V 1 TMS, TCK and TDI Input Leakage Current IINHJ –300 1 uA 2 TMS, TCK and TDI Input Leakage Current IINLJ –1 100 uA 3 TDO Output Leakage Current IOLJ –1 1 uA 4 Test Port Output High Voltage VOHJ 1.7 — V 5, 6 Test Port Output Low Voltage VOLJ — 0.4 V 5, 7 Test Port Output CMOS High VOHJC VDDQ – 100 mV — V 5, 8 Test Port Output CMOS Low VOLJC — 100 mV V 5, 9 Notes: 1. Input Under/overshoot voltage must be –2 V > Vi < VDDn +1.5 V maximum, with a pulse width not to exceed 50% tTKC. 2. VILJ ≤ VIN ≤ VDDn 3. 0 V ≤ VIN ≤ VILJn 4. Output Disable, VOUT = 0 to VDDn 5. The TDO output driver is served by the VDDQ supply. 6. IOHJ = –4 mA 7. IOLJ = + 4 mA 8. IOHJC = –100 uA 9. IOHJC = +100 uA GS8161E18B(T/D)/GS8161E32B(D)/GS8161E36B(T/D) Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Rev: 1.03 9/2005 29/35 © 2004, GSI Technology Notes: 1. Include scope and jig capacitance. 2. Test conditions as shown unless otherwise noted. JTAG Port AC Test Conditions Parameter Conditions Input high level VDD – 0.2 V Input low level 0.2 V Input slew rate 1 V/ns Input reference level VDDQ/2 Output reference level VDDQ/2 DQ VDDQ/2 50 Ω 30pF* JTAG Port AC Test Load * Distributed Test Jig Capacitance |
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