M27C64A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M27C64A' PDF : 22 Pages View PDF
M27C64A
DC and AC parameters
Table 9. Read Mode AC Characteristics 1(1)(2)
M27C64A
Symbol Alt
Parameter
Test Condition
-10
-15
-20
Unit
Min Max Min Max Min Max
tAVQV
tACC
Address Valid to Output
Valid
tELQV
tCE
Chip Enable Low to
Output Valid
tGLQV
tOE
Output Enable Low to
Output Valid
tEHQZ(3)
tDF
Chip Enable High to
Output Hi-Z
tGHQZ(3)
tDF
Output Enable High to
Output Hi-Z
tAXQX
tOH
Address Transition to
Output Transition
E = VIL, G = VIL
G = VIL
E = VIL
G = VIL
E = VIL
E = VIL, G = VIL
100
150
200 ns
100
150
200 ns
50
75
80 ns
0 50 0 50 0 50 ns
0 50 0 50 0 50 ns
0
0
0
ns
1. TA = 0 to 70 °C or –40 to 85 °C: VCC = 5V ± 10%; VPP = VCC.
2. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
3. Sampled only, not 100% tested.
Table 10. Read Mode AC Characteristics 2(1)(2)
M27C64A
Symbol Alt
Parameter
Test Condition
-25
-30
Unit
Min Max Min Max
tAVQV
tACC
Address Valid to Output
Valid
E = VIL, G = VIL
250
300 ns
tELQV
tCE
Chip Enable Low to
Output Valid
G = VIL
250
300 ns
tGLQV
tOE
Output Enable Low to
Output Valid
E = VIL
100
120 ns
tEHQZ(3)
tDF
Chip Enable High to
Output Hi-Z
G = VIL
0
60
0
105 ns
tGHQZ(3)
tDF
Output Enable High to
Output Hi-Z
E = VIL
0
60
0
105 ns
tAXQX
tOH
Address Transition to
Output Transition
E = VIL, G = VIL
0
0
ns
1. TA = 0 to 70 °C or –40 to 85 °C: VCC = 5V ± 10%; VPP = VCC.
2. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
3. Sampled only, not 100% tested.
15/22
Share Link: 
