25C640T-EST View Datasheet(PDF) - Microchip Technology
Part Name
Description
MFG CO.
'25C640T-EST' PDF : 12 Pages View PDF
25AA640/25LC640/25C640
FIGURE 1-2: HOLD TIMING
CS
SCK
SO
n+2
SI
n+2
THS THH
THS THH
THZ
THV
high impedance
n+1
n
n
TSU
n+1
n
don’t care
n
HOLD
n-1
n-1
FIGURE 1-3: SERIAL INPUT TIMING
CS
TCSS
TR
Mode 1,1
SCK Mode 0,0
Tsu
THD
SI
MSB in
high impedance
SO
TCSD
TF
TCSH
TCLE
TCLD
LSB in
FIGURE 1-4: SERIAL OUTPUT TIMING
CS
THI
TLO
SCK
TV
THO
SO
MSB out
SI
don’t care
TCSH
TDIS
Mode 1,1
Mode 0,0
LSB out
DS21223A-page 4
Preliminary
© 1997 Microchip Technology Inc.
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