TMC2246A

PRODUCT SPECIFICATION

REV. 1.0.3 9/11/00

5

Pin Descriptions

Pin Name

Pin Number

Pin Function Description

CPGA/PPGA/

MPGA

MQFP

Power

F3, H3, L7, C8

12, 20, 46, 102

Supply Voltage. The TMC2246A operates from a single +5V

supply. All power and ground pins must be connected.

GND

E3, G3, J3, L6,

H11, C7

8, 16, 24, 42,

72, 106

Ground. The TMC2246A operates from a single +5V supply. All

power and ground pins must be connected.

Clock

CLK

C3

1

System Clock. The TMC2246A operates from a single master

clock input. The rising edge of clock strobes all enabled registers.

All timing specifications are referenced to the rising edge of CLK.

Inputs

M1, K3, L2, N1,

L3, M2, N2, L4,

M3, N3

27, 28, 29, 30,

31, 32, 33, 34,

35, 36

Data Input Ports. D1 through D4 are the 10-bit data input ports.

J12, K13, J11,

K12, L13, L12,

K11, M13, M12,

L11

70, 69, 68, 67,

66, 65, 64, 63,

62, 61

J13, H12, H13,

G12, G11, G13,

F13, F12, F11,

E13

71, 73, 74, 75,

76, 77, 78, 79,

80, 81

B4, C5, A4, B5,

A5, C6, B6, A6,

A7, B7

115, 114, 113,

112, 111, 110,

109, 108, 107,

105

M4, L5, N4, M5,

N5, M6, N6, M7,

N7, N8, M8

37, 38, 39, 40,

41, 43, 44, 45,

47, 48, 49

Coefficient Input Ports. C1 through C4 are the 11-bit coefficient

N13, M11, L10,

N12, N11, M10,

L9, N10, M9,

N9, L8

60, 59, 58, 57,

56, 55, 54, 53,

52, 51, 50

E12, D13, E11,

D12, C13, B13,

D11, C12, A13,

C11, B12

82, 83, 84, 85,

86, 87, 88, 89,

90, 91, 92

A8, B8, A9, B9,

A10, C9, B10,

A11, B11, C10,

A12

104, 103, 101,

100, 99, 98, 97,

96, 95, 94, 93

Outputs

C1, D2, D1, E2,

E1, F2, F1, G2,

G1, H1, H2, J1,

J2, K1, K2, L1

6, 7, 9, 10, 11,

13, 14, 15, 17,

18, 19, 21, 22,

23, 25, 26

Sum Output. The current 16-bit result is available at the Sum