CY62157E Datasheet, PDF (9/12 Pages) Cypress Semiconductor – 8-Mbit (512K x 16) Static RAM

CY62157E MoBL^®
Truth Table
CE₁ CE₂ WE
H
X
X
X
L
X
X
X
X
L
H
H
L
H
H
L
H
H
L
H
H
L
H
H
L
H
H
L
H
L
L
H
L
L
H
L
OE BHE BLE
Inputs/Outputs
X
X
X High-Z
X
X
X High-Z
X
H
H High-Z
L
L
L Data Out (IO₀–IO₁₅)
L
H
L Data Out (IO₀–IO₇);
High-Z (IO₈–IO₁₅)
L
L
H High-Z (IO₀–IO₇);
Data Out (IO₈–IO₁₅)
H
L
H High-Z
H
H
L High-Z
H
L
L High-Z
X
L
L Data In (IO₀–IO₁₅)
X
H
L Data In (IO₀–IO₇);
High-Z (IO₈–IO₁₅)
X
L
H High-Z (IO₀–IO₇);
Data In (IO₈–IO₁₅)
Mode
Deselect/Power Down
Deselect/Power Down
Deselect/Power Down
Read
Read
Read
Output Disabled
Output Disabled
Output Disabled
Write
Write
Write
Power
Standby (I_SB)
Standby (I_SB)
Standby (I_SB)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Ordering Information
Speed
(ns)
45
55
Ordering Code
CY62157ELL-45ZSXI
CY62157ELL-55ZSXE
CY62157ELL-55BVXE
Package
Diagram
51-85087
51-85087
51-85150
Package Type
44-pin Thin Small Outline Package Type II (Pb-free)
44-pin Thin Small Outline Package Type II (Pb-free)
48-ball Very Fine Pitch Ball Grid Array (Pb-free)
Contact your local Cypress sales representative for availability of these parts.
Operating
Range
Industrial
Automotive
Document #: 38-05695 Rev. *E
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