PRELIMINARY

CG6257AM

38-XXXXX

Page - 6 - of 12

Parameter

Description

70 ns

Unit

Min.

Max.

READ CYCLE

Read Cycle Time

70

ns

Address to Data Valid

70

ns

Data Hold from Address Change

10

ns

CE LOW to Data Valid

70

ns

OE LOW to Data Valid

35

ns

5

ns

25

ns

5

ns

25

ns

BLE / BHE LOW to Data Valid

70

ns

5

ns

25

ns

Address Skew

0

ns

Write Cycle Time

70

ns

CE LOW to Write End

60

ns

Address Set-Up to Write End

60

ns

Address Hold from Write End

0

ns

Address Set-Up to Write Start

0

ns

WE Pulse Width

45

ns

BLE / BHE LOW to Write End

60

ns

Data Set-Up to Write End

45

ns

Data Hold from Write End

0

ns

25

ns

5

ns

Notes:

any of these signals can terminate a write by going INACTIVE. The data input set-up and hold timing should be referenced to the edge of the signal that

terminates the write

14. High-Z and Low-Z parameters are characterized and are not 100% tested. .