CY7C1354A CYPRESS [Cypress Semiconductor], CY7C1354A Datasheet - Page 8

• Manufacturer Part Number: CY7C1354A
• Description: 256K x 36/512K x 18 Pipelined SRAM with NoBL Architecture
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-05161 Rev. *B
Pin Descriptions—512K × 18
Partial Truth Table for Read/Write
Interleaved Burst Address Table
(MODE = V
Notes:
2.
3.
4.
5.
75, 78, 79, 84,
Read
No Write
Write Byte a (DQa)
Write Byte b (DQb)
Write Byte c (DQc)
Write Byte d (DQd}
Write all bytes
54, 61, 70, 77
51-53, 56, 57,
4, 11, 20, 27,
1-3, 6, 7, 25,
TQFP Pins
(external)
512K × 18
Address
A...A
A...A
A...A
A...A
L means logic LOW. H means logic HIGH. X means Don’t Care.
Multiple bytes may be selected during the same cycle.
BWc and BWd apply to 256K × 36 device only.
Upon completion of the Burst sequence, the counter wraps around to its initial state and continues counting.
28-30,
95, 96
First
00
01
10
11
CC
1J, 7J, 1M, 7M,
4A, 1B, 7B, 1C,
7C, 2D, 4D, 7D,
6G, 2H, 7H, 3J,
4L, 7L, 6M, 2N,
1E, 6E, 2F, 1G,
7N, 1P, 6P, 1R,
5J, 1K, 6K, 2L,
1A, 7A, 1F, 7F,
7R, 1T, 4T, 6U
or NC)
(internal)
Address
PBGA Pins
Second
512K × 18
A...A
A...A
A...A
A...A
[3]
[3]
[3]
[3]
1U, 7U
Function
01
00
10
11
(internal)
Name
Address
V
A...A
A...A
A...A
A...A
Pin
NC
Third
CCQ
(continued)
10
11
00
01
I/O Supply
[2]
Type
–
(internal)
Address
Fourth
A...A
A...A
A...A
A...A
10
01
00
11
Output Buffer Supply: +3.3V –0.165V and +0.165V for 3.3V I/O. +2.5V
–0.125V and +0.4V for 2.5V I/O.
No Connect: These signals are not internally connected. It can be left
floating or be connected to V
[5]
WEN
H
L
L
L
L
L
L
Linear Burst Address Table
(MODE = V
(external)
Address
A...A
A...A
A...A
A...A
First
00
01
10
11
BWa
H
H
H
H
X
L
L
CY7C1354A/GVT71256ZC36
CY7C1356A/GVT71512ZC18
SS
Pin Description
)
(internal)
Address
CC
Second
A...A
A...A
A...A
A...A
or to GND.
BWb
01
10
00
11
X
H
H
H
H
L
L
(internal)
Address
A...A
A...A
A...A
A...A
Third
BWc
H
H
H
H
10
00
01
X
11
L
L
[4]
Page 8 of 31
(internal)
Address
Fourth
A...A
A...A
A...A
A...A
BWd
X
H
H
H
H
L
L
11
00
01
10
[4]
[5]