DS3050W 데이터 시트보기 (PDF) - Maxim Integrated
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DS3050W Datasheet PDF : 18 Pages
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3.3V Single-Piece 4Mb Nonvolatile SRAM
with Clock
BALLS
A1, A2, A3, A4
B1, B2, B3, B4
C1, C2, C3, C4
D1, D2, D3, D4
E1, E2, E3, E4
F1, F2, F3, F4
G1, G2, G3, G4
H1, H2, H3, H4
J1, J2, J3, J4
K1, K2, K3, K4
L1, L2, L3, L4
M1, M2, M3, M4
N1, N2, N3, N4
P1, P2, P3, P4
R1, R2, R3, R4
T1, T2, T3, T4
U1, U2, U3, U4
V1, V2, V3, V4
W1, W2, W3, W4
Y1, Y2, Y3, Y4
A17, A18, A19, A20
B17, B18, B19, B20
C17,C18,C19, C20
D17, D18, D19, D20
E17, E18, E19, E20
F17, F18, F19, F20
G17, G18, G19, G20
H17, H18, H19, H20
J17, J18, J19, J20
K17, K18, K19, K20
L17, L18, L19, L20
M17, M18, M19, M20
NAME
DESCRIPTION
GND Ground
IRQ/FT
Interrupt/Frequency Test
Output
A15 Address Input 15
A16 Address Input 16
RST Reset Output
VCC
WE
OE
CE
DQ7
DQ6
Supply Voltage
Write Enable Input
Output Enable Input
SRAM Chip Enable Input
Data Input/Output 7
Data Input/Output 6
DQ5 Data Input/Output 5
DQ4 Data Input/Output 4
DQ3
DQ2
DQ1
DQ0
GND
Data Input/Output 3
Data Input/Output 2
Data Input/Output 1
Data Input/Output 0
Ground
GND Ground
GND Ground
GND Ground
A18 Address Input 18
A17 Address Input 17
A14 Address Input 14
A13 Address Input 13
A12 Address Input 12
A11 Address Input 11
A10 Address Input 10
A9 Address Input 9
A8 Address Input 8
A7 Address Input 7
A6 Address Input 6
BALLS
N17, N18, N19, N20
P17, P18, P19, P20
R17, R18, R19, R20
T17, T18, T19, T20
U17, U18, U19, U20
V17, V18, V19, V20
W17, W18, W19, W20
Y17, Y18, Y19, Y20
A5, B5, C5, D5
A6, B6, C6, D6
A7, B7, C7, D7
A8, B8, C8, D8
A9, B9, C9, D9
A10, B10, C10, D10
A11, B11, C11, D11
A12, B12, C12, D12
A13, B13, C13, D13
A14, B14, C14, D14
A15, B15, C15, D15
A16, B16, C16, D16
U5, V5, W5, Y5
U6, V6, W6, Y6
U7, V7, W7, Y7
U8, V8, W8, Y8
U9, V9, W9, Y9
U10, V10, W10, Y10
U11, V11, W11, Y11
U12, V12, W12, Y12
U13, V13, W13, Y13
U14, V14, W14, Y14
U15, V15, W15, Y15
U16, V16, W16, Y16
Pin Description
NAME
DESCRIPTION
A5 Address Input 5
A4 Address Input 4
A3 Address Input 3
A2 Address Input 2
A1 Address Input 1
A0 Address Input 0
GND Ground
GND Ground
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
VCC Supply Voltage
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
CS RTC Chip Select
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
N.C. No Connection
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