A1240A-1CQ256B ACTEL [Actel Corporation], A1240A-1CQ256B Datasheet - Page 23

• Manufacturer Part Number: A1240A-1CQ256B
• Description: HiRel FPGAs
• Manufacturer: ACTEL [Actel Corporation]

D ua l - Po r t SR A M Ti m i n g W av ef or m s
3200 DX S RA M W ri te Ope rat i on
Note:
3200 DX S RA M S y nch ro nous R ead Oper at io n
Note:
Identical timing for falling-edge clock.
Identical timing for falling-edge clock.
RDAD[5:0]
RD[7:0]
RCLK
REN
WRAD[5:0]
WD[7:0]
BLKEN
WCLK
WEN
t
CKHL
t
t
t
ADSU
WENSU
BENSU
Valid
Valid
Old Data
t
t
RCKHL
t
RCKHL
RENSU
Valid
t
t
t
t
ADSU
ADH
WENH
BENH
t
DOH
t
RENH
t
t
ADH
RCKHL
t
RCO
New Data
H iR e l F PG A s
23