Zakładka z wyszukiwarką danych komponentów |
|
SN74ACT7813-20DL Arkusz danych(PDF) 10 Page - Texas Instruments |
|
|
SN74ACT7813-20DL Arkusz danych(HTML) 10 Page - Texas Instruments |
10 / 18 page SN74ACT7813 64 × 18 CLOCKED FIRST-IN, FIRST-OUT MEMORY SCAS199B – JANUARY 1991 – REVISED APRIL 1998 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating conditions (unless otherwise noted) (see Figure 5) ’ACT7813-15 ’ACT7813-20 ’ACT7813-25 ’ACT7813-40 UNIT MIN MAX MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 67 50 40 25 MHz WRTCLK high or low 6 7 8 12 tw Pulse duration RDCLK high or low 6 7 8 12 ns PEN low 8 9 9 12 D0–D17 before WRTCLK ↑ 4 5 5 5 WRTEN1, WRTEN2 before WRTCLK ↑ 4 5 5 5 t Setup time OE1, OE2 before RDCLK ↑ 5 5 6 6 ns tsu Setup time RDEN before RDCLK ↑ 4 5 5 5 ns Reset: RESET low before first WRTCLK ↑ and RDCLK↑† 5 6 6 6 PEN before WRTCLK ↑ 5 6 6 6 D0–D17 after WRTCLK ↑ 0 0 0 0 WRTEN1, WRTEN2 after WRTCLK ↑ 0 0 0 0 th Hold time OE1, OE2, RDEN after RDCLK ↑ 0 0 0 0 ns th Hold time Reset: RESET low after fourth WRTCLK ↑ and RDCLK↑† 2 2 2 2 ns PEN high after WRTCLK ↓ 0 0 0 0 PEN low after WRTCLK ↑ 2 2 2 2 † To permit the clock pulse to be utilized for reset purposes switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (see Figure 5) PARAMETER FROM TO ’ACT7813-15 ’ACT7813-20 ’ACT7813-25 ’ACT7813-40 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP‡ MAX MIN MAX MIN MAX MIN MAX UNIT fmax WRTCLK or RDCLK 67 50 40 25 MHz tpd RDCLK ↑ Any Q 4 9.5 12 4 13 4 15 4 20 ns tpd§ RDCLK ↑ Any Q 8.5 ns WRTCLK ↑ IR 3 8.5 3 11 3 13 3 15 t d RDCLK ↑ OR 3 8.5 3 11 3 13 3 15 ns tpd WRTCLK ↑ AF/AE 7 16.5 7 19 7 21 7 23 ns RDCLK ↑ AF/AE 7 17 7 19 7 21 7 23 tPLH WRTCLK ↑ HF 7 15 7 17 7 19 7 21 ns tPHL RDCLK ↑ HF 7 15.5 7 18 7 20 7 22 ns tPLH RESET low AF/AE 2 9 2 11 2 13 2 15 ns tPHL RESET low HF 2 10 2 12 2 14 2 16 ns ten OE1, OE2 Any Q 2 8.5 2 11 2 11 2 11 ns tdis OE1, OE2 Any Q 2 9.5 2 11 2 14 2 14 ns ‡ All typical values are at VCC = 5 V, TA = 25°C. § This parameter is measured with a 30-pF load (see Figure 6). |
Podobny numer części - SN74ACT7813-20DL |
|
Podobny opis - SN74ACT7813-20DL |
|
|
Link URL |
Polityka prywatności |
ALLDATASHEET.PL |
Czy Alldatasheet okazała się pomocna? [ DONATE ] |
O Alldatasheet | Reklama | Kontakt | Polityka prywatności | Linki | Lista producentów All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |