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SN74ACT2235-60PM Fiches technique(PDF) 10 Page - Texas Instruments |
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SN74ACT2235-60PM Fiches technique(HTML) 10 Page - Texas Instruments |
10 / 18 page SN74ACT2235 1024 × 9 × 2 ASYNCHRONOUS BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY SCAS148F – DECEMBER 1990 – REVISED JUNE 2003 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 3) PARAMETER FROM TO ’ACT2235-20 ’ACT2235-30 ’ACT2235-40 ’ACT2235-60 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP† MAX MIN MAX MIN MAX MIN MAX UNIT f LDCK 50 33 25 16.7 MHz fmax UNCK 50 33 25 16.7 MHz t d LDCK ↑, LDCKB ↑ BorA 8 22 8 22 8 24 8 26 ns tpd UNCKA ↑, UNCKB ↑ B or A 12 17 25 12 25 12 35 12 45 ns tPLH LDCK ↑, LDCKB ↑ EMPTYA, EMPTYB 4 15 4 15 4 17 4 19 ns UNCKA ↑, UNCKB ↑ EMPTYA, EMPTYB 2 17 2 17 2 19 2 21 tPHL RSTA ↓, RSTB↓ EMPTYB 2 18 2 18 2 20 2 22 ns LDCK ↑, LDCKB ↑ FULLA, FULLB 4 15 4 15 4 17 4 19 UNCKA ↑, UNCKB ↑ FULLA, FULLB 4 15 4 15 4 17 4 19 ↓ ↓ FULLA, FULLB 2 15 2 15 2 17 2 19 tPLH RSTA ↓, RSTB↓ AF/AEA, AF/AEB 2 15 2 15 2 17 2 19 ns LDCK ↑, LDCKB ↑ HFA, HFB 2 15 2 15 2 17 2 19 tPHL UNCKA ↑, UNCKB ↑ HFA, HFB 4 18 4 18 4 20 4 22 ns PHL RSTA ↓, RSTB↓ , 1 15 1 15 1 17 1 19 SAB or SBA‡ BorA 1 11 1 11 1 12 1 14 A or B B or A 1 11 1 11 1 12 1 14 tpd LDCK ↑, LDCKB ↑ AF/AEA, 2 18 2 18 2 20 2 22 ns UNCKA ↑, UNCKB ↑ , AF/AEB 2 18 2 18 2 20 2 22 ten GBA or GAB A or B 2 11 2 11 2 13 2 15 ns tdis GBA or GAB A or B 1 9 1 9 1 11 1 13 ns † All typical values are at VCC = 5 V, TA = 25°C. ‡ These parameters are measured with the internal output state of the storage register opposite that of the bus input. operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT C d Power dissipation capacitance per 1K bits Outputs enabled CL =50 pF f=5MHz 71 pF Cpd Power dissipation capacitance per 1K bits Outputs disabled CL = 50 pF, f = 5 MHz 57 pF |
Numéro de pièce similaire - SN74ACT2235-60PM |
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Description similaire - SN74ACT2235-60PM |
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