DT72T1845 Datasheet, PDF (52/56 Pages) Integrated Device Technology – 2.5 VOLT HIGH-SPEED TeraSync™ FIFO

IDT72T1845/55/65/75/85/95/105/115/125 2.5V TeraSync™ 18-BIT/9-BIT FIFO 2Kx18/4Kx9, 4Kx18/
8Kx9, 8Kx18/16Kx9, 16Kx18/32Kx9, 32Kx18/64Kx9, 64Kx18/128Kx9, 128Kx18/256Kx9, 256Kx18/512Kx9, 512Kx18/1Mx9
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
tCYC
tCYH
tCYL
WR
tDH
tDS tDH
Dn
W0
W1
RD
tAA
Qn
Last Word in O/P Register
tEFA
tRPE
EF
tAA
W0
W1
tEFA
NOTES:
1. OE = LOW, WEN = LOW, REN = LOW and RCS = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
Figure 34. Asynchronous Write, Asynchronous Read, Empty Flag Operation (IDT Standard Mode)
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tCYC
tCYH
tCYL
WR
tDS tDH
Dn
Wy
tCYC
tCYH
tCYL
RD
tAA
tAA
Qn
Wx
Wx+1
Wx+2
tFFA
FF
tDS tDH
Wy+1
tFFA
NOTES:
1. OE = LOW, WEN = LOW, REN = LOW and RCS = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
Figure 35. Asynchronous Write, Asynchronous Read, Full Flag Operation (IDT Standard Mode)
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