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8-57
Military QuickRAM
Rev A
RAM Cell Synchronous Write Timing
RAM Cell Synchronous Read Timing
RAM Cell Asynchronous Read Timing
Notes:
[5] Stated timing for worst case Propagation Delay over process variation at VCC=3.3V and TA=25
°C.
Multiply by the appropriate Delay Factor, K, for speed grade, voltage and temperature settings as
specified in the Operating Range.
Symbol
Parameter
Propagation Delays (ns)
Fanout
1234
8
TSWA
WA Setup Time to WCLK
1.0
1.0
1.0
1.0
1.0
THWA
WA Hold Time to WCLK
0.0
0.0
0.0
0.0
0.0
TSWD
WD Setup Time to WCLK
1.0
1.0
1.0
1.0
1.0
THWD
WD Hold Time to WCLK
0.0
0.0
0.0
0.0
0.0
TSWE
WE Setup Time to WCLK
1.0
1.0
1.0
1.0
1.0
THWE
WE Hold Time to WCLK
0.0
0.0
0.0
0.0
0.0
TWCRD
WCLK to RD (WA=RA) [5]
5.0
5.3
5.6
5.9
7.1
Symbol
Parameter
Propagation Delays (ns)
Fanout
1234
8
TSRA
RA Setup Time to RCLK
1.0
1.0
1.0
1.0
1.0
THRA
RA Hold Time to RCLK
0.0
0.0
0.0
0.0
0.0
TSRE
RE Setup Time to RCLK
1.0
1.0
1.0
1.0
1.0
THRE
RE Hold Time to RCLK
0.0
0.0
0.0
0.0
0.0
TRCRD
RCLK to RD [5]
4.0
4.3
4.6
4.9
6.1
Symbol
Parameter
Propagation Delays (ns)
Fanout
1234
8
RPDRD
RA to RD [5]
3.0
3.3
3.6
3.9
5.1