
FEAST Fast Ethernet Controller
for PCMCIA and Generic 16-Bit Applications
SMSC DS – LAN91C110 REV. B
Page 52
Rev. 09/05/02
APPLICATION NOTE
The following is the list of potential SRAMs and suppliers for the LAN91C110 Rev B. These SRAMs meet all timing
requirements for LAN91C110 Rev B. But any other SRAM that meets the specification will also work with the
LAN91C110 Rev B.
Min
≥
3ns Max
≤
15ns Min
≤
25ns Max
≤
12ns Max
≤
8ns Min
≤
12ns Min
≤
12ns Min
≤
15ns
Manufacturer
Part #
t51 Data
Hold after
Address
Change
3
t38
Address
Valid to
Data Valid
10
R/W
Cycle
Output
Enable to
Output
Valid
5
nROE
Disable to
Output in
High Z
5
Address
Valid to
End of
Write
9
Data
Setup to
End of
Write
5
Write
Pulse
Width
ISSI
IS61C3216-10
10
7
ISSI
IS61C3216-12
3
12
12
5
6
10
6
8
ISSI
IS61C3216-15
3
15
15
7
7
11
7
10
Alliance
Alliance
Winbond
Winbond
AS7C256-12
AS7C256-15
24257AJ-10
24257AJ-12
3
3
3
3
12
15
10
12
12
15
10
12
5
6
5
6
3
4
5
6
8
10
9
10
6
8
6
7
8
9
9
10
Cypress
Cypress
Cypress
Cypress
Cypress
Cypress
IDT
IDT
CY7C199-10VC
CY7C199-12VC
CY7C199-15VC
CY7C1021-10
CY7C1021-12
CY7C1021-15
IDT71016S12
IDT71016S15
3
3
3
3
3
3
4
4
10
12
15
10
12
15
12
15
10
12
15
10
12
15
12
15
5
5
7
5
6
7
7
8
5
5
7
5
6
7
6
6
7
9
10
7
8
10
9
10
5
8
9
5
6
8
7
8
7
8
9
7
8
10
9
10
IDT
IDT
IDT71256SA12
IDT71256SA15
K6E0808C1E-C10
K6E0808C1E-C12
3
3
3
3
12
15
10
12
12
15
10
12
6
7
5
6
6
6
5
6
9
10
8
9
6
7
5
6
8
10
8
9
SamSung
SamSung
SamSung
K6E0808C1E-C15
3
15
15
7
7
10
7
10