BCM4354 datasheet(174/192 Pages) CYPRESS

Part #	BCM4354

Description	Single-Chip 5G Wi-Fi IEEE 802.11ac 2횞2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

PDF	192 Pages

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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174 / 192 page

SDIO Timing

BCM4354 Data Sheet

BROADCOM CONFIDENTIAL

Broadcom®

October 15, 2014 • 4354-DS109-R

Page 173

• ∆tOP = +1550 ps for junction temperature of ∆tOP = 90 degrees during operation

• ∆tOP = –350 ps for junction temperature of ∆tOP = –20 degrees during operation

• ∆tOP = +2600 ps for junction temperature of ∆tOP = –20 to +125 degrees during operation

Figure 43: ∆tOP Consideration for Variable Data Window (SDR 104 Mode)

Table 56: SDIO Bus Output Timing Parameters (SDR Modes 100 MHz to 208 MHz)

Symbol

Minimum

Maximum

Unit

Comments

tOP

Card output phase

∆tOP

–350

+1550

Delay variation due to temp change after tuning

tODW

0.60

–

tODW=2.88 ns @208 MHz

tOP =

1550 ps

Sampling point after tuning

tOP =

350 ps

Data valid window

Sampling point after card junction heating

by +90°C from tuning temperature

Sampling point after card junction cooling

by 20°C from tuning temperature

BCM4354 Datasheet(PDF) 174 Page - Cypress Semiconductor