DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 29

• Manufacturer Part Number: DS21455
• Description: Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
• Manufacturer: Maxim Integrated Products

Specifications of DS21455

• Product: Framer
• Number Of Transceivers: 4
• Data Rate: 64 Kbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 328 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: BGA

5.8 Pin Descriptions
Table 5-1. DS21455 Pin Description
W15
M17
M20
PIN
H17
V13
A14
K17
U11
B12
C12
C16
D18
G20
A17
A20
B11
L17
P18
W8
M1
J19
U3
V2
V8
H4
U8
U7
U9
U5
V4
U4
N4
U2
V5
A9
H3
U6
A5
T4
B5
B3
B6
C4
P4
F4
P2
P3
J3
A7/ALE (AS)
BPCLK1
BPCLK2
BPCLK3
BPCLK4
D0/AD0
D1/AD1
D2/AD2
D3/AD3
D4/AD4
D5/AD5
D6/AD6
D7/AD7
NAME
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
BTS
CS1
CS2
CS3
CS4
A0
A1
A2
A3
A4
A5
A6
TYPE
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
Address Bus Bit 0 (Lsb)
Address Bus Bit 2
Address Bus Bit 3
Address Bus Bit 4
Address Bus Bit 5
Address Bus Bit 6
Address Bus Bit 7 (Msb)/Address Latch Enable
Bus Type Select (0 = Intel/1 = Motorola)
Data Bus Bit 0/Address/Data Bus Bit 0 (Lsb)
Data Bus Bit 1/Address/Data Bus Bit 1
Data Bus Bit 2/Address/Data Bus Bit 2
Data Bus Bit 3/Address/Data Bus Bit 3
Data Bus Bit 4/Address/Data Bus Bit 4
Data Bus Bit 5/Address/Data Bus Bit 5
Data Bus Bit 6/Address/Data Bus Bit 6
Data Bus Bit 7/Address/Data Bus Bit 7 (Msb)
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
Digital Signal Ground
Digital Signal Ground
Digital Signal Ground
Digital Signal Ground
Digital Signal Ground
Digital Signal Ground
Digital Signal Ground
Address Bus Bit 1
Backplane Clock, Transceiver 1
Backplane Clock, Transceiver 2
Backplane Clock, Transceiver 3
Backplane Clock, Transceiver 4
Active-Low Chip Select for Transceiver 1
Active-Low Chip Select for Transceiver 2
Active-Low Chip Select for Transceiver 3
Active-Low Chip Select for Transceiver 4
Digital Positive Supply
Digital Positive Supply
Digital Positive Supply
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