SSTU32865 Datasheet, PDF (20/29 Pages) NXP Semiconductors – 1.8 V 28-bit 1:2 registered buffer with parity for DDR2 RDIMM

Philips Semiconductors
SSTU32865
1.8 V DDR registered buffer with parity
11.2 Output slew rate measurement
V_DD = 1.8 V ± 0.1 V.
All input pulses are supplied by generators having the following characteristics:
PRR ≤ 10 MHz; Z₀ = 50 Ω; input slew rate = 1 V/ns ± 20 %, unless otherwise specified.
DUT
V_DD
R_L = 50 Ω
OUT
C_L = 10 pF⁽¹⁾
test point
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(1) C_L includes probe and jig capacitance.
Fig 14. Load circuit, HIGH-to-LOW slew measurement
output
dv_f
80 %
20 %
dt_f
V_OH
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Fig 15. Voltage waveforms, HIGH-to-LOW slew rate measurement
DUT
OUT
C_L = 10 pF⁽¹⁾
(1) C_L includes probe and jig capacitance.
Fig 16. Load circuit, LOW-to-HIGH slew measurement
test point
R_L = 50 Ω
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dv_r
output
dt_r
80 %
20 %
V_OH
V_OL
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Fig 17. Voltage waveforms, LOW-to-HIGH slew rate measurement
9397 750 13799
Product data sheet
Rev. 02 — 28 September 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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