Datasheet

Table 14. DDR3L mode DC electrical specifications (continued)
Parameter Symbol Test conditions Min Typ Max Unit
Input reference voltage Vref — 0.49*ovdd 0.5*ovdd 0.51*ovdd V
Vref current draw Icc-vref — — — 1 mA
Termination voltage Vtt — 0.49*ovdd 0.5*ovdd 0.51*ovdd V
Input current (no pullup/pulldown) Iin Vi = 0 or ovdd — — 5 μA
Pullup/pulldown impedance
mismatch (full strength driver)
MMpupd — -10 — +10 %
Driver unit (240 Ohm) calibration
resolution
Rres — — — 10 Ω
Rkeep Pad keeper
resistance
— 20 — 50 kΩ
LPDDR2 mode
5.2.3.1 LPDDR2 mode DC electrical specifications
Table 15. LPDDR2 mode DC electrical specifications
Parameter Symbol Test conditions Min Typ Max Unit
High-level output voltage Voh Ioh = -100 μA 0.9*ovdd — — V
Low-level output voltage Vol Iol = 100 μA — — 0.1*ovdd V
Input reference voltage Vref — 0.49*ovdd 0.5*ovdd 0.51*ovdd V
High-level DC input voltage Vih (DC) — Vref + 0.17 — ovdd V
High-level DC input voltage Vil (DC) — ovss — Vref - 0.17 V
Input current (no pullup/
pulldown)
1
Iin Vi = ovdd or 0 — — 5 μA
Pullup/pulldown impedance
mismatch
MMpupd 34 Ohm full strength
driver
-15 — +15 %
Driver 240 Ohm unit
calibration resolution
Rres — — — 10 Ω
Rkeep
2
Pad keeper
resistance
— 20 — 50 kΩ
1. Typ condition: typ model, 1.2 V, and 25 °C. Max condition: bcs model, 1.32 V, and -40 °C. Min condition: wcs model, 1.14
V, and 125 °C.
2. Typ condition: typ model, 1.2 V, and 25 °C, max condition: wcs model, 1.14 V, and 125 °C, min condition: bcs model, 1.32
V, and -40 °C.
5.3 Boot Configuration Pins Specification
Value driven on RCON and BOOTMOD pins should be stable for at least 1 µs after
RESET pin is deasserted.
5.2.3
LPDDR2 mode
S32V234 Data Sheet, Rev. 8, 01/2019
NXP Semiconductors 19