S3P9014 datasheet(19/26 Pages) SAMSUNG

Part #	S3P9014

Description	SAM87RI family of 8-bit single-chip CMOS microcontrollers

PDF	26 Pages

Scroll/Zoom	100%

Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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19 / 26 page

S3C9004/P9004/C9014/P9014

ELECTRICAL DATA

12-11

Table 12-8. External Memory Timing Characteristics (4 MHz)

A = – 40

°C to + 85°C, V

DD = 4.5 V to 5.5 V)

Number

Symbol

Parameter

Normal Timing (ns)

Min

Max

dA (AS)

Address valid to

AS ↑ delay

–

dAS (A)

AS ↑ to address float delay

–

dAS (DR)

AS ↑ to read data required valid

–

140

wAS

AS Low width

–

dA (DS)

Address float to

DS ↓

–

wDS (read)

DS (read) Low width

314

–

wDS (write)

DS (write) Low width

164

–

dDS (DR)

DS ↓ to read data required valid

–

hDS (DR)

Read data to

DS ↑ hold time

–

dDS (A)

DS ↑ to address active delay

–

dDS (AS)

DS ↑ to AS ↓ delay

–

dDO (DS)

Write data valid to

DS (write) ↓ delay

–

dRW (AS)

W valid to AS ↑ delay

–

dDS (DW)

DS ↑ to write data not valid delay

–

NOTES:

All times are in nano seconds (ns) and assume an 4 MHz input frequency.

Wait states add 100 ns to the time of numbers 3, 6a, 6b, and 7.

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