DT72T1845 Datasheet, PDF (50/56 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
RCLK
REN
Qn
W0
FF
tFFA
WR
tDS
tDH
Dn
WD
tENS tENH
tA
tCYC
tFFA
W1
tFFA
tCYH
WD+1
NOTE:
1. OE = LOW, WEN = LOW and RCS = LOW.
Figure 30. Asynchronous Write, Synchronous Read, Full Flag Operation (IDT Standard Mode)
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RCLK
REN
Qn
EF
WR
Dn
1
2
Last Word
tSKEW
tCYL
tCYH
tCYC
tDS tDH
W0
tDS tDH
W1
tREF
tENS
tA
tENH
tA
W0
tREF
NOTE:
1. OE = LOW, WEN = LOW and RCS = LOW.
Figure 31. Asynchronous Write, Synchronous Read, Empty Flag Operation (IDT Standard Mode)
50
W1
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