CY7C198 Datasheet, PDF (8/9 Pages) Cypress Semiconductor – 32K x 8 Static RAM

7c198: 10/25/89
Revision: February 29, 1996
Truth Table
CE WE OE Inputs/Outputs
H X X High Z
L H L Data Out
L L X Data In
L H H High Z
Mode
Deselect/PowerĆDown
Read
Write
Deselect, Output Disabled
Power
Standby (I_SB)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Ordering Information
Speed
Package
(ns)
Ordering Code
Name
15 CY7C198-15LMB L55
20 CY7C198-20ZC
Z32
CY7C198-20LMB L55
25 CY7C198-25DMB D16
CY7C198-25LMB L55
35 CY7C198-35DMB D16
CY7C198-35LMB L55
45 CY7C198-45DMB D16
CY7C198-45LMB L55
Shaded area contains preliminary information.
Package Type
32ĆPinRectangularLeadless Chip Carrier
32ĆLead Thin Small Outline Package
32ĆPinRectangularLeadless Chip Carrier
28ĆLead (600ĆMil) CerDIP
32ĆPinRectangularLeadless Chip Carrier
28ĆLead (600ĆMil) CerDIP
32ĆPinRectangularLeadless Chip Carrier
28ĆLead (600ĆMil) CerDIP
32ĆPinRectangularLeadless Chip Carrier
Operating
Range
Military
Commercial
Military
Military
Military
Military
CY7C198
MILITARY SPECIFICATIONS
Group A Subgroup Testing
DC Characteristics
Parameter
V_OH
V_OL
V_IH
V_IL Max.
I_IX
I_OZ
I_CC
I_SB1
I_SB2
Subgroups
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
Switching Characteristics
Parameter
Subgroups
READ CYCLE
t_RC
t_AA
t_OHA
t_ACE
t_DOE
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
WRITE CYCLE
t_WC
t_SCE
t_AW
t_HA
t_SA
t_PWE
t_SD
t_HD
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
Document #: 38-00077-L
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