DT72T1845 Datasheet, PDF (51/56 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
WCLK
No Write
1
2
WEN
Dn
DF
FF
tSKEW
RD
tAA
Qn Last Word
tWFF
tCYL
tCYC
tCYH
tAA
WX
WX+1
DF+1
tWFF
NOTES:
1. OE = LOW, RCS = LOW and REN = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
Figure 32. Synchronous Write, Asynchronous Read, Full Flag (IDT Standard Mode)
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WCLK
WEN
Dn
EF
RD
Qn
tENS tENH
tDS
tDH
W0
tEFA
tRPE
tEFA
tCYH
tAA
Last Word in Output Register
W0
NOTES:
1. OE = LOW, RCS = LOW and REN = LOW.
2. Asynchronous Read is available in IDT Standard Mode only.
Figure 33. Synchronous Write, Asynchronous Read, Empty Flag Operation (IDT Standard Mode)
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