®
AS7C1026B
3/26/04, v 1.3 Alliance Semiconductor P. 4 of 10
Key to switching waveforms
Read waveform 1 (address controlled)
3,6,7,9
Read cycle (over the operating range)
3,9
Parameter Symbol
-10
-12 -15 -20
Unit NotesMin Max Min Max Min Max Min Max
Read cycle time t
RC
10–12–15–20-ns
Address access time t
AA
–10–12–15-20ns 3
Chip enable (CE
) access time t
ACE
–10–12–15-20ns 3
Output enable (OE
) access time t
OE
–5–6–7-8ns
Output hold from address change t
OH
3–3–3–3-ns 5
CE
low to output in low Z t
CLZ
3–3–3–3-ns4, 5
CE
high to output in high Z t
CHZ
–4–5–6-7ns4, 5
OE
low to output in low Z t
OLZ
0–0–0–0-ns4, 5
Byte select access time t
BA
–5–6–7-8ns
Byte select Low to low Z t
BLZ
0–0–0–0-ns4, 5
Byte select High to high Z t
BHZ
–5–6–6-7ns4, 5
OE
high to output in high Z t
OHZ
–4–5–6-7ns4, 5
Power up time t
PU
0–0–0–0-ns4, 5
Power down time t
PD
–10–12–15-20ns4, 5
Undefined output/don’t careFalling inputRising input
t
OH
t
AA
RC
t
OH
Data
OUT
Address
Data validPrevious data valid
