IDT723642L15PF IDT, Integrated Device Technology Inc, IDT723642L15PF Datasheet - Page 14

• Manufacturer Part Number: IDT723642L15PF
• Description: IC FIFO SYNC 2048X36 120QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 7200r

Specifications of IDT723642L15PF

• Function: Synchronous
• Memory Size: 72K (2K x 36)
• Data Rate: 67MHz
• Access Time: 15ns
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 120-TQFP, 120-VQFP
• Configuration: Dual
• Density: 72Kb
• Access Time (max): 10ns
• Word Size: 36b
• Organization: 1Kx36x2
• Sync/async: Synchronous
• Expandable: No
• Bus Direction: Bi-Directional
• Package Type: TQFP
• Clock Freq (max): 66.7MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 400mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 120
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 723642L15PF

NOTES:
1. t
2. CSA = LOW, W/RA = HIGH, MBA = LOW. It is not necessary to program offset register on consecutive clock cycles.
FS1,FS0
FS1,FS0
IDT723622/723632/723642 CMOS SyncBiFIFO™
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
NOTE:
1. FIFO2 is reset in the same manner to load X2 and Y2 with a preset value.
A0 - A35
rising edge of CLKB is less than t
SKEW1
CLKA
CLKB
MBF1
CLKB
RST1
CLKA
RST1,
RST2
ORB
AFA
AEB
ENA
IRA
IRA
IRB
is the minimum time between the rising CLKA edge and a rising CLKB edge for IRB to transition HIGH in the next cycle. If the time between the rising edge of CLKA and
4
Figure 3. Parallel Programming of the Almost-Full Flag and Almost-Empty Flag Offset Values after Reset
0,0
t
RSTS
t
FSS
t
FSH
SKEW1
t
t
t
RSF
RSF
RSF
Figure 2. FIFO1 Reset and Loading X1 and Y1 with a Preset Value of Eight
1
, then IRB may transition HIGH one CLKB cycle later than shown.
t
2
PIR
t
PIR
AFA Offset
t
DS
(Y1)
t
t
DH
ENS2
14
AEB Offset
(X1)
t
FSS
t
POR
t
ENH
AFB Offset
(Y2)
0,1
t
RSTH
t
FSH
AEA Offset
COMMERCIAL TEMPERATURE RANGE
(X2)
(1)
1
t
SKEW1
First Word to FIFO1
(1)
t
PIR
2
t
PIR
3022 drw 05
3022 drw 04