AS7C251MNTF18A Datasheet, PDF (11/18 Pages) Alliance Semiconductor Corporation – 2.5V 1M x 18 Flowthrough Synchronous SRAM with NTD

Timing waveform of write cycle
CLK
t_CES t_CEH
CEN
t_AS
t_AH
Address
A1
A2
®
t_CH t_CL
AS7C251MNTF18A
t_CYC
A3
R/W
BWn
CE0,CE2
t_CSH
CE1
ADV/LD
t_ADVS t_ADVH
OE
Din
Dout
Q(n-2)
D(A1)
t_HZOE
Q(n-1)
D(A2)
D(A2Y‘01)
t_DS
t_DH
D(A3)
D(A2Y‘10) D(A2Y‘11)
Write
D(A1)
DSEL
Write
D(A2)
Continue Continue Continue
Write
Write
Write
D(A2Y‘01) D(A2Y‘10) D(A2Y‘11)
Inhibit
Clock
Write
D(A3)
Continue
Write
D(A3Y‘01)
12/23/04, v 1.1
Alliance Semiconductor
P. 11 of 18