Datasheet

NXP Semiconductors
88W8977
2.4 GHz/5 GHz Dual-band 1x1 Wi-Fi 4
®
and Bluetooth
®
5 Combo SoC
88W8977 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved.
Product short data sheet Rev. 1 — 13 July 2020
52 / 81
Table 36. SDIO timing data—Default speed mode and high-speed modes (3.3V)
[1], [2]
Over full range of values specified in the Recommended Operating Conditions unless otherwise specified.
Symbol Parameter Condition Min Typ Max Unit
Normal 0 -- 25 MHz
f
PP
Clock frequency
High-speed 0 -- 50 MHz
Normal 10 -- -- ns
T
WL
Clock low time
High-speed 7 -- -- ns
Normal 10 -- -- ns
T
WH
Clock high time
High-speed 7 -- -- ns
Normal 5 -- -- ns
T
ISU
Input setup time
High-speed 6 -- -- ns
Normal 5 -- -- ns
T
IH
Input hold time
High-speed 2 -- -- ns
Output delay time Normal -- -- 14 ns
T
ODLY
CL ≤ 40 pF (1 card) High-speed -- -- 14 ns
T
OH
Output hold time High-speed 2.5 -- -- ns
[1] For SDIO 2.0 running at 50 MHz clock frequency, only 1.8V is supported.
[2] For SDIO 2.0 running at 25 MHz clock frequency, 1.8V or 3.3V is supported.