hx6136 Honeywell International's Solid State Electronics Center (SSEC), hx6136 Datasheet - Page 9

• Manufacturer Part Number: hx6136
• Description: First-in First-out Memory
• Manufacturer: Honeywell International's Solid State Electronics Center (SSEC)

FIFO – HX6409/HX6218/HX6136
Figure 3. Master Reset Timing
www.honeywell.com/radhard
Figure 4: Read Flag Update Timing
NOTE: When an empty condition occurs, the empty flag is set. The performance of another
read requires at least one write, on read clock to reset the empty flag and then an enabled
read clock.
(1) If ENW is held during Master Reset, the parity is disabled.
(2) Outputs will be low after time Tohmr unless in parity programming mode. See figure 7.
Flags
ENW
CKW
HF
ENR
CKR
Other
Flags
CKW
ENW
CKR
Data
ENR
MR
HF
high
Enable
Read
Valid Data
Tskew1
Tfd
Enable
Write
Tskew2
Tskew2
Tscmr
Tscmr
Tohmr
Tpmr
Update
Flag
Latent Cycle
Tmrr
Tmrr
Tfd
Tmrf
Tamr
Tmrf
Write
First
Outputs Low
All Data
Enable
Read
Tfd
See Note (1)
See Note (2)
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