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EDBA164B4PR-1DITF-R 数据表(PDF) 122 Page - Micron Technology

部件名 EDBA164B4PR-1DITF-R
功能描述  216-Ball and 220-Ball, Dual-Channel LPDDR2 SDRAM Features
PDF  152 Pages
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制造商  MICRON [Micron Technology]
网页  http://www.micron.com
标志 MICRON - Micron Technology

EDBA164B4PR-1DITF-R 数据表(HTML) 122 Page - Micron Technology

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Figure 80: Output Driver
To other
circuitry
(RCV, etc.)
Output Driver
Chip in Drive Mode
I
PU
R
ONPU
R
ONPD
I
PD
I
OUT
V
DDQ
V
OUT
DQ
V
SSQ
Output Driver Impedance Characteristics with ZQ Calibration
Output driver impedance is defined by the value of the external reference resistor RZQ.
Typical RZQ is 240 ohms.
Table 83: Output Driver DC Electrical Characteristics with ZQ Calibration
Notes 1–4 apply to all parameters and conditions
RONnom
Resistor
VOUT
Min
Typ
Max
Unit
Notes

Ω
RON34PD
0.5 × VDDQ
0.85
1.00
1.15
RZQ/7
RON34PU
0.5 × VDDQ
0.85
1.00
1.15
RZQ/7

Ω
RON40PD
0.5 × VDDQ
0.85
1.00
1.15
RZQ/6
RON40PU
0.5 × VDDQ
0.85
1.00
1.15
RZQ/6

Ω
RON48PD
0.5 × VDDQ
0.85
1.00
1.15
RZQ/5
RON48PU
0.5 × VDDQ
0.85
1.00
1.15
RZQ/5

Ω
RON60PD
0.5 × VDDQ
0.85
1.00
1.15
RZQ/4
RON60PU
0.5 × VDDQ
0.85
1.00
1.15
RZQ/4

Ω
RON80PD
0.5 × VDDQ
0.85
1.00
1.15
RZQ/3
RON80PU
0.5 × VDDQ
0.85
1.00
1.15
RZQ/3

Ω
(optional)
RON120PD
0.5 × VDDQ
0.85
1.00
1.15
RZQ/2
RON120PU
0.5 × VDDQ
0.85
1.00
1.15
RZQ/2
Mismatch between
pull-up and pull-down
MMPUPD
–15.00
+15.00
%
5
Notes:
1. Applies across entire operating temperature range after calibration.
2. RZQ Ω
3. The tolerance limits are specified after calibration, with fixed voltage and temperature.
For behavior of the tolerance limits if temperature or voltage changes after calibration,
see Output Driver Temperature and Voltage Sensitivity.
216-Ball and 220-Ball, Dual-Channel LPDDR2 SDRAM
Output Driver Impedance
09005aef85eb530a
216b_220b_2ch_2e0e_embedded_lpddr2.pdf – Rev. F 08 /16 EN
122
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2014 Micron Technology, Inc. All rights reserved.



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