IS61C3216AL
ISSI ®
AC WAVEFORMS
WRITE CYCLE NO. 1 (WE Controlled)(1,2)
t WC
ADDRESS
t SA
CE
WE
VALID ADDRESS
t SCE
t HA
t AW
t PWE1
t PWE2
UB, LB
DOUT
t PBW
DATA UNDEFINED
t HZWE
HIGH-Z
t LZWE
t SD
t HD
DIN
DATAIN VALID
UB_CEWR1.eps
Notes:
1. WRITE is an internally generated signal asserted during an overlap of the LOW states on the CE and WE inputs and at least
one of the LB and UB inputs being in the LOW state.
2. WRITE = (CE) [ (LB) = (UB) ] (WE).
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
9
Rev. A
09/26/05