
Samsung ASIC
5-151
STD130
FIFO_HD
High-Density Synchronous First-In First-Out Memory
Characteristics
Definition for AC Timing
(ns)
Symbol
t
rst
t
rtm
t
rcyc
t
rckh
t
rckl
t
wcyc
t
wckh
t
wckl
t
rs
t
rh
t
ws
t
wh
t
wrcs
t
rwcs
t
ds
t
dh
t
rstw
t
rtmr
t
rste
t
rstf
t
rstd
t
rstda
t
rtme
t
rtmd
t
rtmda
t
we
t
wf
t
rf
t
re
t
acc
t
da
t
dz
t
zd
t
od
Definition for Power Consumption
(
μ
W/MHz)
Power_read
The dynamic average power consumption while in a read cycle
Power_write
The dynamic average power consumption while in a write cycle
Power_w_standby
The write standby power consumption while WEN is high
Power_r_standby
The read standby power consumption while REN is high
Definition for Area
(
μ
m)
Width
The physical width in X-direction
Height
The physical height in Y-direction
Description
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min RST pulse width low
Min RTM pulse width low
Read clock cycle time
Read clock pulse width high
Read clock pulse width low
Write clock cycle time
Write clock pulse width high
Write clock pulse width low
REN setup to RCK rising
REN hold from RCK rising
WEN setup to WCK rising
WEN hold from WCK rising
WCK setup to RCK rising
RCK setup to WCK rising
DI setup to WCK rising
DI hold from WCK rising
RST setup to WCK rising
RTM setup to RCK rising
Delay from RST falling to EF rising
Delay from RST falling to FF falling
Delay from RST falling to DOUT zero
Output hold time from RST falling to DOUT
Delay from RTM falling to EF falling
Delay from RTM falling to DOUT zero
Output hold time from RTM falling to DOUT
Delay from WCK rising to EF falling
Delay from WCK rising to FF rising
Delay from RCK rising to FF falling
Delay from RCK rising to EF rising
Data access time
De-access time
DOUT drive to high-Z time
DOUT high-Z to drive time
OEN to valid output time
μ
W/MHz
μ
W/MHz
μ
W/MHz
μ
W/MHz
μ
m
μ
m